• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    subsea processor for subsea drilling operations. a subsea processor can be located near the seabed of a drilling site and used to coordinate the operations of subsea drilling components. the subsea processor can be enclosed in a single interchangeable unit that fits a receiver into a subsea drilling component, such as the explosion prevention element (bop). the subsea processor can issue commands to control the bop and receive measurements from sensors located throughout the bop. the submarine processor can relay the information to the surface for recording or monitoring. the undersea processor can also be programmed with a model on which to base the operation of the bop, such as in emergency conditions.
    公开号:BR112015008807B1
    申请号:R112015008807-4
    申请日:2013-10-16
    公开日:2021-03-23
    发明作者:Jose Gutierrez；Luis Pereira
    申请人:Transocean Innovation Labs Ltd；
    IPC主号:
    专利说明:

    [0001] [001] This application claims the priority benefits of Jose Gutierrez US Provisional Patent Application No. 61 / 715,113 filed on October 17, 2012, and entitled "Subsea CPU for Underwater Drilling Operations", and claims the benefits of the priority of the US Provisional Patent Application No. 61 / 718,061, filed by Jose Gutierrez on October 24, 2012 and entitled "Improved Subsea CPU for Underwater Drilling Operations", and claims the benefits of priority from US Provisional Patent Application No. 61 / 883,623 , by Luis Pereira, filed on September 27, 2013 and entitled "Next Generation Blowout Preventer (BOP) Control Operating System and Communications," each of which is incorporated by reference in its entirety. GOVERNMENTAL SUPPORT STATEMENT
    [0002] [002] This invention was created with government support under the Employment Agreement for Others No. NFE-12-04104 granted by the United States Department of Energy. The government has certain rights in this invention. FUNDAMENTALS
    [0003] [003] Conventional explosion prevention elements (BOP) are generally limited in terms of operational capacity and operate on the basis of hydraulics. When certain pressure conditions are detected, the hydraulic parts inside the explosion prevention elements are activated to seal the well to which the BOP is attached. These conventional BOPs do not have any processing capacity, measurement capacity, or communication capacity. BRIEF SUMMARY
    [0004] [004] An explosion prevention element (BOP) can be improved by having an underwater processing unit located underwater with the explosion prevention element. The processing unit may allow the explosion prevention element to function as an explosion preventer (BOA), as the processing unit may determine that there are problematic conditions that require action within the explosion prevention element to prevent and / or prevent a possible explosion condition.
    [0005] [005] According to one embodiment, an apparatus may include an underwater drilling component, an underwater drilling component which may include a physical receiver configured to receive a first processing unit, an inductive energy device configured to transfer power to the first processing unit through the physical receiver, and a wireless communications system configured to communicate with the first processing unit through the physical receiver.
    [0006] [006] According to another modality, a device can include a processor; an inductive power device coupled to the processor and configured to receive power for the processor; and a wireless communications system coupled to the processor and configured to communicate with an underwater drilling component.
    [0007] [007] According to another modality, a method of controlling an underwater drilling component can include receiving power, in an underwater processor, through an inductive coupling with the underwater drilling component, and communicating wirelessly, to from the subsea processor, with the subsea drilling component to control the subsea drilling component.
    [0008] [008] According to an additional modality, an apparatus may include at least one subsea component of an subsea drilling tool; and at least one subsea processor configured to communicate wirelessly with the subsea component, where at least one subsea component and at least one subsea processor are configured to communicate according to a time division multiple access (TDMA) scheme.
    [0009] [009] According to another modality, a system can include at least one subsea component of an subsea drilling tool; at least two subsea processors configured to communicate with at least one subsea component; and a communications bus shared between the at least one subsea component and the at least two subsea processors comprising an subsea network, where at least two subsea processors are configured to communicate on the shared communications bus according to a division multiple access scheme of time (TDMA).
    [0010] [010] According to another modality, a method may include receiving data, in an underwater processor, from an underwater component of an underwater drilling tool; processing the received data, in the subsea processor, to determine a command to control the subsea component; and command transmission, from the subsea processor, to the subsea component via a shared communications bus according to a time division multiple access (TDMA) scheme in an subsea network.
    [0011] [011] The above has broadly highlighted the characteristics and technical advantages of the present invention so that the detailed description of the invention that follows can be better understood. Additional features and advantages of the invention will now be described and form the subject of the claims of the invention. It should be appreciated by those skilled in the art that the specific conception and modality described can be readily used as a basis for modifying or designing other structures to achieve the same purposes as the present invention. It must also be realized by those skilled in the art that such equivalent constructions do not deviate from the spirit and scope of the invention as presented in the appended claims. The novelty characteristics that are considered characteristics of the invention, both with regard to its organization and its method of operation, together with additional objectives and advantages will be better understood from the following description when considered in relation to the attached figures. It should be expressly understood, however, that each of the figures is provided for purposes of illustration and description only and should not be a definition of the limits of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
    [0012] [012] The following drawings form part of this specification and are included to further demonstrate certain aspects of this description. The description can be better understood by reference to one or more of these drawings in combination with the detailed description of the specific modalities.
    [0013] [013] Figure 1 is an illustration of a wireless subsea CPU unit and receiver for it according to one embodiment of the description;
    [0014] [014] Figure 2 is a block diagram illustrating an apparatus for receiving a wireless underwater CPU according to one embodiment of the description;
    [0015] [015] Figure 3 is a block diagram illustrating a hybrid wireless implementation of subsea CPUs according to one embodiment of the description;
    [0016] [016] Figure 4 is a block diagram illustrating a combined power and communications system for a BOP according to one embodiment of the description;
    [0017] [017] Figure 5 is a flowchart illustrating a method of distributing power and data to an underwater CPU according to one embodiment of the description;
    [0018] [018] Figure 6 is a flowchart illustrating a method of distributing high frequency energy to an underwater network according to one embodiment of the description;
    [0019] [019] Figure 7 is a block diagram illustrating an elevator stack with underwater CPUs according to one embodiment of the description;
    [0020] [020] Figure 8 is a block diagram illustrating components of an underwater network communicating through a TDMA scheme according to a modality of the description;
    [0021] [021] Figure 9 is a block diagram illustrating a TDMA scheme for communication between applications running on subsea CPUs according to the description mode;
    [0022] [022] Figure 10 is a flow chart illustrating a method of communicating components according to one embodiment of the description;
    [0023] [023] Figure 11 is a flow chart illustrating a method of controlling a BOP based on a model according to a modality of the description. DETAILED DESCRIPTION
    [0024] [024] An explosion prevention element (BOP) can be improved by having an underwater processing unit located underwater with the explosion prevention element. The processing unit can allow the explosion prevention element to function as an explosion preventer (BOA), as the processing unit can determine what problematic conditions exist that require decision making within the explosion prevention element to avoid and / or prevent a possible explosion condition.
    [0025] [025] A receiver on the BOP can be designed to provide easy access to the processing unit for quick installation and replacement of the processing unit while the BOP is submerged. The receiver is illustrated as a receiver 102 in figure 1. The receiver 102 is designed to receive a processing unit 104, which includes a circuit panel 106 containing logic devices, such as a microprocessor or micro controller, and memory, such as memory flash drives, hard disk drives, and / or random access memory (RAM). Although a particular shape for the receiver 102 is illustrated, other shapes can be selected and the processing unit 140 adjusted to fit the receiver 102.
    [0026] [026] According to particular modalities of receiver 102, receiver 102 can operate the BOP without electrical contact with the BOP. For example, an inductive power system can be incorporated into the BOP and an inductive receiver built into the processing unit 104. The energy can then be distributed from a power source in the BOP, such as an underwater battery, to operate the circuit. 106 within processing unit 104. In another example, the BOP can communicate wirelessly with circuit 106 in processing unit 104. Communications can be, for example, by radio frequency (RF) communications.
    [0027] [027] Communications with processing unit 140, and particularly circuit 106 within processing unit 104, may include transporting data from sensors within the BOP to circuit 106 and transporting commands from circuit 106 to devices within the BOP. The sensors can include devices capable of measuring the composition and volume of mud and devices for detecting kick. Sensors can be read by the processing unit 104 and used to determine the action within the BOP. Although the BOP is referred to here, the processing unit 104 can be attached to other subsea devices. Additionally, although the sensors and devices within the BOP are described here, circuit 106 can send and transmit data to other subsea devices not attached to the same apparatus as the processing unit 104.
    [0028] [028] Receiver 102 reduces the challenges associated with installing and maintaining the BOP. For example, since there are no physical connections between processing unit 104 and receiver 102, a new processing unit can be easily inserted into receiver 102. This replacement action is easy for an underwater vehicle, such as a remotely operated vehicle. (ROV) complete.
    [0029] [029] Additionally, since there are no physical connections between processing unit 104 and receiver 102, processing unit 104 can be manufactured as a one-piece unit. For example, processing unit 104 can be manufactured by a three-dimensional printer, which can incorporate circuit 106 into processing unit 104. Since processing unit 104 can be manufactured as a single piece, without construction junctions, the unit Processing 104 can be robust and able to withstand difficult conditions in deepwater subsea drilling operations such as the high water pressure present in deep water.
    [0030] [030] When circuit 106 of processing unit 104 includes memory, processing unit 104 can function as a black box for recording subsea operations. In the event that a catastrophic event occurs, processing unit 104 can be retrieved and data from processing unit 104 captured to better understand the events that result in the catastrophic event and how efforts to prevent and / or handle the catastrophic event assist efforts. recovery.
    [0031] [031] A block diagram for implementing processing unit 104 in an undersea system is illustrated in figure 2. An LMRP 204, including an explosion preventer (BOA) 208 having pistons 206, may have attached to one or more processing units 202a to 202c. Processing units 202a to 202c can be attached to the Lower Marine Elevator Package (LMRP) 204 through a receiver similar to that shown in figure 1. When more than one processing unit is spun to the LMRP 204, the processing units can cooperate to control the LMRP 204 over a common data bus. Although processing units 202a through 202c may share a common data bus, processing units 202a through 202c may each include separate memory. Each of the processing units 202a to 202c can include a reading port allowing an underwater vehicle to connect to one of the processing units 202a to 202c to retrieve data stored in the memory of each of the processing units 202a to 202c.
    [0032] [032] Processing units 202a to 202c can be configured to follow a majority vote. That is, all processing units 202a through 202c can receive data from the sensors within BOP 208. Then, each processing unit 202a through 202c can determine a course of action for BOP 208 using the independent logic circuitry. Each of the processing units 202a to 202c can then communicate its decisions and the course of action agreed by the majority (for example, two out of three) of the processing units 202a to 202c can be executed.
    [0033] [033] Having multiple processing units in the LMRP 204, or elsewhere in the BOP stack, also reduces the likelihood of failure of the LMRP 204 due to the malfunction of the processing units. That is, fault tolerance is increased by the presence of multiple processing units. If any one, or even two, of processing units 202a through 202c fail, one processing unit remains to continue operation of the BOP 208.
    [0034] [034] Processing units 202a through 202c can also communicate wirelessly with a computer 210 located on the surface. For example, computer 210 may have a user interface to allow an operator to monitor conditions within BOP 208 as measured by processing units 202a through 202c. Computer 210 can also wirelessly issue commands to processing units 202a through 202c. In addition, computer 210 can reprogram processing units 202a through 202c via wireless communications. For example, processing units 202a through 202c can include a flash memory, and new logic functions can be programmed into flash memory from computer 210. According to one embodiment, processing units 202a through 202c can be initially programmed to operate the plungers 206 by completely opening or closing the plungers 206 to shear a drill pipe. Processing units 202a to 202c can subsequently be reprogrammed to allow variable operation of plungers 206, such as to partially close plungers 206. Although computer 210 can interface with processing units 202a to 202c, processing units Processing 202a through 202c can function independently in the event that communication with computer 210 is lost.
    [0035] [035] Processing units 202a to 202c can issue commands to various subsea devices, such as the BOP 208, via electronic signals. That is, a lead wire can couple the receiver for processing units 202a to 202c to the device. A wireless signal containing a command can be transported from processing units 202a to 202c to the receiver and then through the conductor wire to the device. Processing units 202a through 202c can issue a sequence of commands to devices on BOP 208 by translating a command received from computer 210 into a series of smaller commands.
    [0036] [036] Processing units 202a to 202c can also issue commands to various subsea devices through the hybrid hydraulic-electronic connection. That is, a wireless signal containing a command can be transported from processing units 202a to 202c to the receiver and then converted to hydraulic signals that are transferred to BOP 208 or other subsea devices.
    [0037] [037] An independent processor in a BOP, such as processing units 202a through 202c in BOP 208, can provide additional advantages to the BOP, such as reduced BOP maintenance. BOPs can be called back to the surface at certain intervals to verify that the BOP is functional, before an emergency situation occurs that requires the BOP to prevent an explosion. The surface BOP call puts the well out of service while the BOP is being repaired. In addition, significant effort is required to call the BOP back to the surface. Often these maintenance events are unnecessary, but without communications with the BOP the situation of the BOP is unknown, and therefore the BOP is called back periodically for inspection.
    [0038] [038] When processing units 202a to 202c are located inside BOP 208 and in communication with sensors inside BOP 208, processing units 202a to 202c can determine when BOP 208 is to be served. That is, the BOP 208 can be programmed with procedures for checking the operation of BOP 208 components, such as the plungers 206. The verification procedures may include cutting a sample tube, measuring pressure signatures, detecting for wear, and / or the return receipt of components (for example, pistons are actually closed when instructed to close). The verification procedures can be performed at certain times, and the BOP 208 may not be called unless a problem is discovered by the verification procedures. In this way, the amount of time spent on maintaining BOP 208 can be reduced.
    [0039] [039] The processing units can be implemented in a hybrid wireless system having some wired connections to the surface, as illustrated in the block diagram in figure 3. A power system 102, a control system 104 and a system hydraulic 106 can be located on a drilling vessel or a drilling structure on the sea surface. Wired connections can connect power system 102 and control system 104 to a wireless distribution center 110 on an underwater device. In one embodiment, wire connections can provide broadband connections through power lines to the surface. Wireless distribution center 110 can relay signals from power system 102 and control system 104 to and from subsea components, such as processing units 112, solenoids 114, batteries 116, pilot valves 118, higher power valves 120, and sensors 122. Hydraulic parts 106 can also have a physical line extending to subsea components, such as pilot valves 118. The hydraulic line, the communication line, and the power line can be embedded in a single tube, which extends downwardly to the submarine components on the seabed. The tube having physical lines can be attached to the lift tube extending from the drilling vessel or drilling structure to the well on the seabed.
    [0040] [040] In one embodiment, a wired communications system can interconnect processing units 202a to 202c of figure 2 for communication and power distribution. Figure 4 is a block diagram illustrating a combined power and communication system for a BOP according to an embodiment of the description. Figure 4 illustrates the reception of a data signal 402 and an energy signal 404, the mechanisms for transmitting data signal 402 and / or the energy signal 404, and the distribution of data and / or energy to a plurality of Subsea CPUs 426a to 426f associated with a BOP. According to some modalities, the communications illustrated in figure 4 correspond to the communications between an offshore platform and a network in communication with a BOP and / or BOP components located close to the seabed.
    [0041] [041] Figure 5 is a flowchart illustrating a method of distributing power and data to an underwater CPU according to one embodiment of the description. A method 500 can start at block 502 upon receipt of a data signal, such as data signal 402. At block 504, an energy signal, such as energy signal 404, can be received. The received energy signal 404 can be, for example, a direct current (DC) or alternating current (AC) energy signal. The received data signal 402 and the received energy signal 404 can be received from an onshore network (not shown), an underwater network (not shown), or a surface network (not shown) such as a platform or offshore drilling structure.
    [0042] [042] In block 506, data signal 402 and energy signal 404 can be combined to create a combined data and energy signal. For example, with reference to figure 4, the power and data coupling component 410 can receive data signal 402 and power signal 404, and send at least one combined power and data signal 412a. The power and data coupling component 410 can also be sent redundantly from combined power and data signals 412b and 412c. The redundant signals 412b and 312c can each be a duplicate of the signal 412a and can be transmitted together to provide redundancy. The redundancy provided by multiple combined power and data signals 412a through 412c can improve the reliability, availability and / or fault tolerance of the BOP.
    [0043] [043] According to one embodiment, the power and data coupling component 410 can inductively couple the data signal 402 and the energy signal 404. For example, the power and data coupling component 410 can modulate inductively form the energy signal 404 with the data signal 402. In one embodiment, the power and data coupling component 410 may use a broadband pattern across power lines (GLP) to couple the data signal 402 and the power signal 404. In another embodiment, the power and data coupling component 410 may use a digital subscriber line (DSL) pattern to couple the data signal 402 and the power signal 404 to each other.
    [0044] [044] Returning to figure 5, method 500 may include, in block 508, the transmission of the combined energy and data signal 412 to a network within a BOP. A network within the BOP may include an subsea processing unit and a network of control, monitoring and / or analysis applications performed on subsea processing units or other processing systems within the BOP.
    [0045] [045] In one embodiment, the combined power and data signals 412a to 412c can be transmitted without increasing and / or reducing the voltage of signals 412a ac, in which case transformer blocks 414 and 416 may be exceeded or may not be present. In another embodiment, the redundant combined power and data signals 412a to 412c may have their voltage increased through transformer block 414 before transmission of the combined power and data signals 412a to 412c to the BOP and / or other components near the bed of the sea. The redundant combined power and data signals 412a to 412c can be reduced in voltage through transformer block 416 after receipt at the BOP or other components located on the seabed. Each transformer block can include a separate pair of transformers for each combined power and data line 412a to 412c. For example, transformer block 414 may include transformer pairs 414a to 414c to match the number of redundant combined power and data signals 412a to 412c being transmitted to the seabed BOP control operating system components / components .
    [0046] [046] According to one embodiment, transformer block 414 can be located on the offshore platform / drilling structure to configure the voltage of the combined energy and data signals 412a to 412c transmitted to the seabed. Transformer block 416 can be located near the seabed and can be coupled to the BOP to receive the combined energy and data signals 412a to 412c transmitted from the offshore platform.
    [0047] [047] After being received by the BOP, the combined power and data signal 412 can be separated to separate the data signal from the energy signal with a power and data decoupling component 420. The separation of the data signal from the signal after the combined power and data signal 412 is received at the BOP can include intuitive decoupling of the data signal from the energy signal to create the energy signals 422a to 422c and the data signals can be data signals 424a to 424c. According to one embodiment, the energy and data decoupling component 420 can separate the data and energy signals by inductively demodulating the received energy and combined data signals 412a to 412c. After separating power and data signals to obtain power signals 422a to 422c and data signals 424a to 424c, the signals can be distributed to subsea CPUs 426a to 426f or other components of a BOP or LMRP as illustrated in the section 408.
    [0048] [048] As described above, the voltage can be increased to transmit power to a BOP. Likewise, the frequency can be increased for distribution to components in section 408 of a BOP, including subsea processors 426a through 426f. The use of a high frequency power distribution can reduce the size and weight of the transformers used for transmitting signals. Figure 6 is a flowchart illustrating a method for distributing high frequency energy to an underwater network according to one embodiment of the description. A method 600 starts at block 602 with the receipt of an AC power signal. In block 604, the frequency of the AC power signal can be increased, and optionally the voltage of the AC power signal increased, to create a high frequency AC power signal. The AC power signal can be combined with a data signal so that the AC power signal includes a combined power and data signal, as shown in figures 4 and 5. According to an embodiment, the frequency and / or voltage of the AC power signal can be increased on the offshore platform. For example, with reference again to figure 4, the power and data coupling component 410, which can be located on the offshore platform, can also be used to increase the frequency at which the data, energy and / or energy and combined data are transmitted. The frequency of the AC power signal can be increased with a frequency changer. Transformer block 414, which can also be located on the offshore platform, can be used to increase the voltage at which the data, energy and / or energy and combined data are transmitted.
    [0049] [049] Returning to figure 6, method 600 can include, in block 606, the transmission of high frequency AC power signal to an underwater network. After being received at or near the seabed, the transmitted high frequency AC power signal can be reduced in voltage with transformer block 416 and / or the frequency of the transmitted high frequency signal can be reduced in the subsea network. For example, the power and data decoupling component 420 of figure 4, may include functionality to reduce the frequency of the high frequency energy received or combined power and data signal.
    [0050] [050] The high frequency AC power signal can be rectified after being transmitted to create a DC power signal, and the DC power signal can be distributed to different components within section 408 of figure 4. For example, rectified power signals can be power signals 422a through 422c, which can be DC power signals. Specifically, the DC power signals 422a to 422c can be distributed to a plurality of subsea CPUs 426a to 426f. In one embodiment, the rectification of the high frequency AC power signal can occur near the seabed. The distribution of a DC signal can allow for less complex power distribution and allows the use of batteries to supply power to the DC power signals 422a to 422c.
    [0051] [051] Submarine CPUs 426a to 426f can run control applications that control the various functions of a BOP, including electrical and hydraulic systems. For example, subsea CPU 426a can control a plunger shear from a BOP, while subsea CPU 426e can run a sensor application that monitors and senses pressure in the well. In some embodiments, a single subsea CPU can perform multiple tasks. In other modalities, subsea CPUs can receive individual tasks. The various tasks performed by the subsea CPUs are described in more detail with reference to figure 7.
    [0052] [052] Figure 7 is a block diagram illustrating an elevator stack with subsea CPUs according to one embodiment of the description. A system 700 can include an offshore drilling structure 702 and an underwater network 704. System 700 includes a command and control unit (CCU) 706 in offshore drilling structure 702. Offshore drilling structure 702 can also include a remote monitor 708. Offshore drilling structure 702 may also include a power and communications coupling unit 710, as described with reference to figure 4. Subsea network 704 may include a power and communications decoupling unit 712, as described with reference to figure 4. Submarine network 704 can also include an underwater CPU 714 and a plurality of hydraulic control devices, such as the integrated valve subsystem 716 and / or transport valve 718.
    [0053] [053] Redundancy can be incorporated into the 700 system. For example, each of the 712a to 712c power and communications decoupling units can be coupled to a different branch of the 720 power and communications line. In addition, the component groups can be organized to provide redundancy. For example, a first group of components may include a power and communications decoupling unit 712a, an underwater CPU 714a, and a hydraulic device 716a. A second group of components may include a power and communications decoupling unit 712b, an underwater CPU 714b, and a hydraulic device 716b. The second group can be arranged in parallel to the first group. When one of the components in the first group of components fails or exhibits a failure, the BOP function may still be available with the second group of components providing control of the BOP function.
    [0054] [054] Subsea CPUs can manage primary processes including well control, remotely operated vehicle (ROV) intervention, commanded and emergency connection or disconnection, pipe retention, well monitoring, situation monitoring, and / or testing depression. Subsea CPUs can also perform predictions and diagnostics for each of these processes.
    [0055] [055] Subsea CPUs can archive data for actions, events, situation and conditions within a BOP. This archiving capability can enable advanced forecasting algorithms, provide information for the continuous improvement of quality processes and / or provide detailed and automated logging for failure mode analysis. The data archiving application can also provide an advanced and distributed data archiving system that is capable of reproducing, in a simulation environment, the exact behavior of a BOP system when the data files are run offline. In addition, an embedded memory storage system can act as a black box for the BOP so that the stored information can be used for systems forensic investigation purposes at any time. The black box functionality can allow for self-testing or self-healing by a BOP employed within the BOP control operation system with a control application, as described here. Each state-based activation (actions, triggers, events, sensor states, and so on) can be recorded in the advanced data archiving system so that any BOP functional period can be played online or offline.
    [0056] [056] Various communication schemes can be employed for communication between subsea CPUs and / or between subsea CPUs and other components of the subsea network, the onshore network, and the offshore network. For example, data can be multiplexed on a common data bus. In one embodiment, time division multiple access (TDMA) can be employed between components and applications running on those components. Such a communication and data transfer scheme allows information, such as sensor data, control situation, and results, to be made available on a common bus. In one embodiment, each component, including subsea CPUs, can transmit data at predetermined times and the data accessed by all applications and components. Having a time partition for communication exchange, the possibility of data loss due to queuing can be reduced or eliminated. In addition, if any of the sensors / components fail to produce the data without its specified time partition, the system can detect the anomaly within a fixed time interval, and any urgent / emergency process can be activated.
    [0057] [057] In one embodiment, a communication channel between the components can be a passive local area network (LAN), such as a broadcast bus that carries a message in a moment. Access to the communication channel can be determined by a time division multiple access (TDMA) scheme where timing is controlled by a clock synchronization algorithm using common or separate real time clocks.
    [0058] [058] Figure 8 is a block diagram illustrating the components of an underwater network communicating through a TDMA scheme. An underwater network 800 can include sensors 802 and 804, a shear plunger 806, solenoids 808 and 810, and other devices 812. The components of the underwater network 800 can communicate through a TDMA 820 scheme. In the TDMA 802 scheme, a period time for communication on a shared bus can be divided into time partitions and these time partitions are assigned to various components. For example, a time partition 820a can be assigned to plunger 806, a time partition 820b can be assigned to solenoid 808, a time partition 820c can be assigned to solenoid 810, a time partition 820d can be assigned for sensor 802, and a time partition 802e can be assigned to sensor 804. The time period illustrated in the TDMA 820 scheme can be repeated with each component receiving the same time partition. Alternatively, the TDMA 820 scheme can be dynamic with each of the partitions 820a to and being dynamically assigned based on the needs of the components in the 800 system.
    [0059] [059] Applications running on subsea CPUs can also share time partitions on a shared communications bus in a similar way. Figure 9 is a block diagram illustrating a TDMA scheme for communications between applications running on subsea CPUs according to a modality of the description. According to one embodiment, a system 900 can include a plurality of applications 902a through 902n. A 902 application can be a software component run by a processor, a hardware component implemented with a logic circuit assembly, or a combination of software and / or hardware components.
    [0060] [060] Applications 902a to 902n can be configured to perform a variety of functions associated with controlling, monitoring and / or analyzing a BOP. For example, a 902 application can be configured as a sensor application to perceive the hydrostatic pressure associated with a BOP. In another example, application 902 can be configured to perform a diagnostic and / or prognostic analysis of the BOP. In an example additionally, a 902 application can couple to a BOP and process parameters associated with a BOP to identify an error in the current operation of the BOP. Monitored process parameters can include pressure, hydraulic fluid flow, temperature and the like. Coupling an application to a structure, such as a BOP or offshore drilling structure, may include installing and running software associated with the application by a processor located on the BOP or the offshore drilling structure and / or triggering BOP functions by the application while the application is running on a processor in a different location.
    [0061] [061] A BOP control operation system can include a 902j operating system application to manage the control, monitoring and / or analysis of a BOP with applications 902a through 902n. According to one embodiment, the operating system application 902j can interrupt communications between applications 902a through 902n.
    [0062] [062] The 900 system can include a 906a subsea central processing unit (CPU) on the seabed and can be assigned to the 902a application. The 900 system can also include a command and control unit (CCU) 908a, which can be a processor attached to an offshore drilling structure in communication with the BOP, and can be assigned to the 902c application. The 900 system can also include a 910a personal computer (PC) attached to an onshore control station in communication with the offshore drilling structure and / or the BOP, which can be assigned to the 902e application. By assigning a processing resource to an application, the processing resource can run the software associated with the application and / or provide hardware logic circuitry configured to implement the application.
    [0063] [063] Each of the subsea CPUs 906a to 906c can communicate with each other via the submarine bus 912. Each of the CCUs 908a to 908c can communicate with each other via the surface bus 914. Each of the PCs 910a to 910c can communicate with each other via the onshore bus 916. Each of the buses 912 to 916 can be a wired or wireless communication network. For example, the submarine bus 912 may be a fiber optic bus employing the Ethernet communication protocol, the surface bus 914 may be a wireless connection employing a Wi-Fi communication protocol, and the onshore bus 916 may be a connection wirelessly employing a TCP / IP communication protocol. Each of the submarine CPUs 906a to 906c can be in communication with the submarine bus 912.
    [0064] [064] Communication between applications is not limited to communication on the local submarine communication network 912, the surface communication network 914, or the onshore communication network 916. For example, an application 902a implemented by the subsea CPU 906a can communicate with a 902f application implemented by the PC 910c via the submarine bus 912, an elevator bridge 918, a surface bus 914, a SAT bridge 920 and the onshore bus 916. In one embodiment, the elevator bridge 918 can be on a network bridge communication that allows communication between the surface network 914 and the onshore network 916, and the SAT bridge 920 may include a wired communication medium or a wireless communication medium. Therefore, in some modalities, applications 902a to 902n associated with subsea network 912 can communicate with applications 902a to 902n deployed anywhere in the world due to the global reach of onshore communication networks that can create the SAT 920 bridge. For example , the SAT 920 bridge may include a satellite network, such as a very small aperture terminal network (VSAT) and / or the Internet. Accordingly, the processing resources that can be allocated to a 902 application can include any processor located anywhere in the world as long as the processor has access to a global communication network, such as VSAT and / or the Internet.
    [0065] [065] An example of programming the transfer of information from the plurality of applications on a shared bus is illustrated in figure 10. Figure 10 is a flowchart illustrating a method of communicating components according to a modality of the description. A method 1000 can be implemented by the operating system application 902j of figure 9, which can also be configured to program the transfer of information from the plurality of applications on a bus. Method 1000 starts at block 1002 with identification of a plurality of applications, such as those associated with a BOP. For example, each of the communication networks 912 to 916 can be scanned to identify applications. In another example, applications can generate a notification indicating that the application is installed. The identified plurality of applications can be applications that control, monitor and / or analyze a plurality of functions associated with the BOP, such as applications 902a to 902n in figure 9.
    [0066] [066] In block 1004, a time partition for transferring information can be allocated to each of the applications. Applications can transfer information to the bus during the time partition. In some embodiments, an application may be able to transfer information to the bus during time partitions allocated to other applications, such as during emergency situations. The time partition over which an application can transfer data can be periodic and can repeat after a period of time equal to the sum of all time partitions allocated to applications for transferring information.
    [0067] [067] With reference to figure 9, each of the applications 902a to 902n can be coupled to a virtual function bus 904 through buses 912 to 916 in the 900 system. The virtual function bus 904 can be a representation of the collaboration between all buses 912 to 916 to reduce the likelihood that two applications are transferring information to the bus at the same time. For example, if an application associated with surface network 914 is attempting to transfer information to surface bus 914 during an allocated time partition, then no other application, such as an application associated with another 912 submarine bus or 916 onshore bus , you can transfer information to their respective local network buses. This is because the virtual function bus 904 has allocated the application time partition on the surface bus 914. The virtual function bus 904 can serve as the switch between buses 912 to 916 and applications 902a to 902n.
    [0068] [068] According to one modality, the duration of time 922 can represent all the time necessary for each application in the system to receive a time partition. Each of the time partitions may or may not have the same duration. For example, a first time slice can be 10 ms, while a second time slice can be 15 ms. In other modalities, each of the time partitions can have the same duration. The allocation of a time partition and the duration of a time partition can be dependent on the information associated with the application. For example, an application configured to monitor the hydraulic functions of the BOP may receive more time than an application that simply reads information from memory. Each of the applications can have a clock that synchronizes each of the applications.
    [0069] [069] Returning to figure 10, in block 1006, the transfer of information to the bus can be monitored to detect when no information is available on the bus and to identify the application that received the time partition during which the lack of information on the bus has been detected. In some modalities, when a lack of information is detected on the bus, an emergency BOP control process can be activated, such as the BOP plunger activation. In other modalities, when a lack of information is detected on the bus, a notification and / or an alarm can be triggered, such as a notification and / or alarm in a user interface. According to another modality, when a lack of information is detected on the bus, a request can be made for the data to be resent, or no action can be taken.
    [0070] [070] Applications 902a to g can control a BOP autonomously according to pre-programmed models. Figure 11 is a flow chart illustrating a method of controlling a BOP based on a model according to a modality of the description. A method 1100 begins at block 1102 upon receipt of a first identifier associated with a BOP. The first identifier can be used within a service discovery protocol to identify a first model that specifies the structure of the BOP and a plurality of controllable functions of the BOP. In one embodiment, the model can be identified by comparing the received identifier with a BOP model database, where each BOP model in the BO model database can be associated with a unique identifier that can be compared with the identifier Received. In some embodiments, the model may include a behavioral model or a state machine model. In block 1106, a BOP function can be controlled according to the specifications provided in the identified model.
    [0071] [071] A representative display of the identified model can be sent in a user interface. The user interface may include a user interface for the BOP on the seabed, a user interface for communication from an offshore drilling structure to the BOP, and / or a user interface for communication from a control station. onshore for the offshore drilling structure and / or the first BOP. The user interface can be one of the applications 902a through 902n in figure 9. For example, with reference to figure 9, a user interface application can include the application 902g, which is a human machine interface (HMI). The HMI application may have access to read information during any time interval and / or may be able to transfer information to any of the buses 912 to 916 during any time partition. For example, in one mode, information from an HMI can be transferred to any of the buses 912 to 916 during any time partition to ensure an elimination mechanism where a user can impose himself on the system in emergency situations. In some modalities, the HMI application can access any information stored or processed in any application and display a visual representation of the information.
    [0072] [072] According to one modality, the user registration can be received in the user interface, and the control of the first function of the BOP can be based on the received registration. According to another modality, the parameters associated with the BOP can be received and processed with at least one of a processor attached to the BOP on the seabed, a processor attached to an offshore drilling structure in communication with the BOP, and a processor coupled to an onshore control station in communication with the offshore drilling structure and / or BOP. The control of the first function of the BOP can then be carried out based on the processing of the received parameters. In some embodiments, the BOP may include a live-operated BOP, such as a BOP operating on the seabed, and the model may include a real-time model for the BOP in live operation. If the BOP is a live-functioning BOP, then control of the BOP functions can take place in real time based on the user registration provided in a user interface and / or processing the parameters associated with the first BOP.
    [0073] [073] Although the present description and its advantages have been described in detail, it should be understood that several changes, substitutions and changes can be made here without departing from the spirit and scope of the description as defined by the attached claims. In addition, the scope of this application should not be limited to the particular modalities of process, machine, fabrication, material composition, means, methods and steps described in the specification. As those skilled in the art will readily understand from the present invention, description, machines, fabrication, compositions of matter, means, methods or steps, currently existing or further developed that perform substantially the same function or achieve substantially the same result as the corresponding modalities described here can be used in accordance with the present description. Accordingly, the appended claims must include in its scope such processes, machines, manufacturing, compositions of matter, means, methods or steps.
    权利要求:
    Claims (21)
    [0001]
    Apparatus, FEATURED by understanding: one or more processing units (104), each including: a processor (106) configured to be arranged within one or more processing units (104); and an inductive power receiving device configured to be coupled to the processor (106) and configured to be disposed within one or more processing units (104), the inductive energy receiving device configured to receive power to the processor (106) through one or more processing units (104) and from a receptacle (102) of an underwater drilling component, the receptacle (102) being one of one or more receptacles (102) of the underwater drilling component, each one or more receptacles (102): defining a volume configured to receive removably within the volume a respective unit within one or more processing units (104); including an inductive energy transmission device configured to transfer energy to the inductive energy receiving device of the respective processing unit (104); and positioned on the subsea drilling component to allow coupling the respective processing unit (104) to the receptacle (102) from outside the subsea drilling component; and at least one sensor; and a wireless communications system configured to allow communication between at least one sensor and at least one among one or more processing units (104), at least one among one or more processing units (104) being configured to control the subsea drilling component based, at least in part, on data captured through at least one sensor.
    [0002]
    Apparatus according to claim 1, CHARACTERIZED by the fact that one or more processing units (104) include three or more processing units (104); and o one or more receptacles (102) include three or more receptacles (102), each configured to receive a respective unit among the three or more processing units (104).
    [0003]
    Apparatus, according to claim 2, CHARACTERIZED by the fact that the three or more processing units (104) are configured to control the subsea drilling component according to a majority voting scheme.
    [0004]
    Apparatus, according to claim 1, CHARACTERIZED by the fact that the subsea drilling component comprises an explosion prevention element (BOP).
    [0005]
    Apparatus, according to claim 1, CHARACTERIZED by the fact that it comprises a memory configured to store data captured through at least one sensor.
    [0006]
    Apparatus, according to claim 1, CHARACTERIZED by the fact that the wireless communications system is configured to receive commands from at least one of an offshore network and an onshore network.
    [0007]
    Apparatus according to claim 6, CHARACTERIZED by the fact that the wireless communications system is configured to transmit commands to the subsea drilling component to control the subsea drilling component.
    [0008]
    Apparatus according to claim 1, CHARACTERIZED by the fact that at least one of one or more processing units (104) is configured to control the subsea drilling component according to a model.
    [0009]
    Apparatus according to claim 1, CHARACTERIZED by the fact that at least one of one or more processing units (104) is configured to receive an identifier from the subsea drilling component and to control the subsea drilling component according to a template corresponding to the received identifier.
    [0010]
    Apparatus, according to claim 1, CHARACTERIZED by the fact that the wireless communications system is configured to allow communication between at least two out of one or more processing units (104).
    [0011]
    Apparatus according to claim 1, CHARACTERIZED by the fact that each receptacle among the one or more receptacles (102) is configured to at least partially involve a part of the respective processing unit (104) when the respective processing unit (104) is received within the volume of the respective receptacle (102).
    [0012]
    Apparatus, according to claim 1, CHARACTERIZED by the fact that each receptacle (102) is, at least partially, conical in shape.
    [0013]
    Method for controlling a subsea drilling component, the method FEATURED by understanding: removably coupling a processing unit (104) to a receptacle (102) of the subsea drilling component from an exterior of the subsea drilling component, the processing unit (104) including an inductive energy receiving device contained within from the processing unit (104), the removably coupling including arranging the processing unit (104), at least partially, within a volume defined by the receptacle (102); feeding the processing unit (104) through an inductive coupling with the receptacle (102), transmitting inductive energy from an inductive energy transmission device to the inductive energy receiving device; receiving, in the processing unit (104), data captured by at least one sensor of the subsea drilling component; and control, with the processing unit (104), the subsea drilling component based, at least in part, on the data captured through the at least one sensor.
    [0014]
    Method, according to claim 13, CHARACTERIZED by the fact that it additionally comprises receiving, in the processing unit (104), an identifier from the underwater drilling component.
    [0015]
    Method, according to claim 14, CHARACTERIZED by the fact that controlling the subsea drilling component is performed according to a model.
    [0016]
    Method, according to claim 15, CHARACTERIZED by the fact that the model corresponds to the received identifier.
    [0017]
    Method according to claim 13, CHARACTERIZED by the fact that the processing unit (104) comes from a plurality of processing units (104), the method further comprising: the plurality of processing units (104) includes three or more processing units (104); and the control of the subsea drilling component is carried out through at least three of the three or more processing units (104) according to a majority voting scheme.
    [0018]
    Method, according to claim 13, CHARACTERIZED by the fact that the subsea drilling component comprises an explosion prevention element (BOP).
    [0019]
    Method according to claim 13, CHARACTERIZED by the fact that the removably coupling includes arranging the processing unit (104), at least partially, within the volume defined by the receptacle (102) so that the receptacle (102) , at least partially, involves the respective processing unit (104).
    [0020]
    Method according to claim 13, CHARACTERIZED by the fact that the receptacle (102) is at least partially conical in shape.
    [0021]
    Method, according to claim 13, CHARACTERIZED by the fact that it additionally comprises using an underwater vehicle for at least one among removing the processing unit (104) from the receptacle (102) or inserting the processing unit (104) in the volume defined by receptacle (102), when both the receptacle (102) and the processing unit (104) are submerged.
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    同族专利:
    公开号 | 公开日
    EP2909435A4|2016-10-12|
    WO2014062858A9|2014-07-31|
    ZA201503416B|2016-09-28|
    CN105051324B|2021-06-15|
    AP2015008446A0|2015-05-31|
    US20140102712A1|2014-04-17|
    NZ708029A|2017-11-24|
    EA201590739A1|2015-09-30|
    KR20150102954A|2015-09-09|
    MX359872B|2018-10-04|
    EP2909436A1|2015-08-26|
    BR112015008864A2|2017-07-04|
    JP6317359B2|2018-04-25|
    CA2888251A1|2014-04-24|
    AU2013331309A1|2015-06-04|
    AU2018208758A1|2018-08-16|
    CN105051325A|2015-11-11|
    AP2015008452A0|2015-05-31|
    AU2013331309B2|2017-12-07|
    AU2013331312A1|2015-06-04|
    US9322264B2|2016-04-26|
    MX2015004943A|2015-11-23|
    JP2016503844A|2016-02-08|
    MX359700B|2018-10-08|
    AU2013331312B2|2018-04-26|
    CN105051324A|2015-11-11|
    SG11201503028UA|2015-05-28|
    KR102186672B1|2020-12-08|
    CA2888254A1|2014-04-24|
    WO2014062858A1|2014-04-24|
    MX2015004944A|2015-11-23|
    KR20150097473A|2015-08-26|
    AU2018208758B2|2020-10-08|
    CN105051325B|2019-01-22|
    NZ708037A|2018-03-23|
    CA2888254C|2021-03-23|
    EP2909436A4|2016-08-24|
    SG11201503029YA|2015-05-28|
    US10539010B2|2020-01-21|
    US20200332653A1|2020-10-22|
    EA201590740A1|2015-09-30|
    JP2016501999A|2016-01-21|
    EP2909435A1|2015-08-26|
    WO2014062855A1|2014-04-24|
    US20140102713A1|2014-04-17|
    BR112015008807A2|2017-07-04|
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    法律状态:
    2018-11-21| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-02-27| B25G| Requested change of headquarter approved|Owner name: TRANSOCEAN INNOVATION LABS LTD (KY) |
    2020-03-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-10-20| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|
    2021-02-02| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-03-23| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/10/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201261715113P| true| 2012-10-17|2012-10-17|
    US61/715,113|2012-10-17|
    US201261718061P| true| 2012-10-24|2012-10-24|
    US61/718,061|2012-10-24|
    US201361883623P| true| 2013-09-27|2013-09-27|
    US61/883,623|2013-09-27|
    PCT/US2013/065328|WO2014062858A1|2012-10-17|2013-10-16|Subsea processor for underwater drilling operations|
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