CN205563232U - Deep water blowout preventer stack automated control system based on underwater acoustic technique - Google Patents
Deep water blowout preventer stack automated control system based on underwater acoustic technique Download PDFInfo
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- CN205563232U CN205563232U CN201620293165.7U CN201620293165U CN205563232U CN 205563232 U CN205563232 U CN 205563232U CN 201620293165 U CN201620293165 U CN 201620293165U CN 205563232 U CN205563232 U CN 205563232U
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Abstract
The utility model relates to a deep water blowout preventer stack automated control system based on underwater acoustic technique. Its characterized in that system is equipped with the triple redundant control modules of genius (GMR) based on programmable controller (PLC), and modem, underwater acoustic transducer and photoelectric converter can realize above -water platform and underwater communication through sound wave and optical cable simultaneously. The information that PLC on water can be based on under water the wireless sensor network transmission realizes deep water blowout preventer stack's automated control, under water the miniature PLC in the control box can and above -water platform between signal interruption the time start automatic closing well or two tee bend magenetic exchange valve through control closed type direct action type start the automatically cropped systems. Two tee bend magenetic exchange valve of automatically cropped system accessible open type direct action type realize the automatic switch -over of " prohibitting " and " awaiting orders " state. The utility model has the advantages of degree of automation is high, remote control is sensitive swiftly, fail safe nature is high.
Description
Technical field
This utility model relates to a kind of deep-water blowout preventer group automation control system based on water sound communication technique, belongs to petroleum gas well control technical field.
Background technology
Deepwater drilling blowout preventer system is the well-control equipment of most critical under ocean water, is ensureing offshore oil and gas job safety, protects the marine environment and plays pivotal role in personal safety.Deep sea drilling is extremely complex away from bank, operation area sea situation, speedily carries out rescue work, escapes and rescue extremely difficult.Once blowout occur or in emergency circumstances needing to withdraw in violent typhoon etc. temporarily in drilling operation course, whether can control well head and borehole fluid more safely and reliably in order to ensure drilling platforms staff and equipment safety, subsea blowout preventer group and control system thereof to be particularly important to shorten the accident treatment time as much as possible.At present, master control system many employings Multi-path electricity liquid control system of deep-sea blowout preventer group both at home and abroad, platform courses cabinet transmits whole control signals by an optical cable or communication cable, but when there is emergency, signal interruption is caused to will result in unpredictable serious consequence if optical cable is damaged, and start closing well by manual hand manipulation after confirming blowout and also can increase the time of accident treatment, be unfavorable for well head is carried out emergency cut-off.It addition, existing control mode also cannot gather the temperature before and after display and record blowout, the important parameter information such as pressure, it is unfavorable for the fault diagnosis after accident and analysis.Therefore, prior art is improved, design and while wire communication, also can transmit signal by the way of radio communication, formed " dual fail-safe " with wire communication mode, and automaticity is high, the sensitive control system efficiently of long-range control is the most necessary.In addition to master control system needs to improve, the automatic shearing system in secondary well control system there is also weak point: one, it is necessary to manually or by underwater robot system (Remotely Operated Vehicle
ROV) it is standby by automatic shearing default, even if disengage also cannot start system without presetting marine riser bottom assembly (LMRP)；Its two, if most of function of master control system had lost efficacy during blowout, and marine riser bottom assembly (LMRP) does not disengages, and is just unsatisfactory for activation condition, the most just cannot start automatic cutting function, and this is breakneck during well control.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model proposes a kind of deep-water blowout preventer group automation control system based on water sound communication technique.
This utility model is implemented by the following technical solutions: a kind of deep-water blowout preventer group automation control system based on water sound communication technique, and it includes a central control unit being arranged on pier and several underwater control unit being arranged in underwater control case；Central control unit is made up of database server, work station, industrial control computer, VPN (virtual private network) (VPN) server, Genius triple modular redundant control module (GMR) based on PLC, modem, underwater acoustic transducer, optical-electrical converter；Underwater control unit is made up of underwater electronic module, A/D converter (A/D converter), underwater sensor group, hydraulic control system, and wherein underwater electronic module is made up of weak signal testing Programmable Logic Controller, modem, underwater acoustic transducer, optical-electrical converter；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and optical-electrical converter in underwater electronic module are connected in same bus, and by or gate logic be connected with hydraulic control system；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and the underwater acoustic transducer in central control unit, modem and GMR triple modular redundant control module based on PLC composition wireless communication system in underwater electronic module, this system is connected with central control unit, driller's console and team leader's control station by Shielded Twisted Pair, uses double-redundancy industrial Ethernet to realize communication.
Industrial control computer carries out real time and on line monitoring, receive the command information that central control unit, driller's console and team leader's control station send, receive the such as subsea well equipment such as pressure, temperature, imflammable gas detection and the data message of surrounding oil recovery environment that PLC sends.
The data messages such as the pressure received, temperature are compared analyzing and processing by PLC, then control to start automatization's closing well and warning further according to result；Meanwhile, data message is also sent to industrial control computer by PLC, the wired and wireless two kinds of approach of the man machine interface simultaneous display of industrial control computer the two groups of data obtained are for relevant staff's reference.
This utility model has carried out improving at two on the hydraulic circuit of automatic shearing system.One, substitutes original two-bit triplet pilot change over valve with the two-bit triplet solenoid directional control valve of open type Direct Action Type.This electromagnetic valve is being safe from danger or be in obtain electricity condition, i.e. valve closing during normal drilling operability, and automatic shearing system is in " forbidding " state；Electromagnetic valve dead electricity, i.e. valve then can be caused to open when there is critical condition, automatic shearing system is in " awaiting orders " state.This improvement is capable of automatic shearing system and " forbids " and the automatic switchover of " awaiting orders " state.Its two, use the two-bit triplet solenoid directional control valve of closed type Direct Action Type to constitute a hydraulic circuit as triggering device, in parallel with the loop that the proximity switch of the mechanically actuated formula driven by the two-bit triplet solenoid directional control valve of open type Direct Action Type and compression spring forms.The two-bit triplet solenoid directional control valve of this closed type Direct Action Type is controlled whether electric by the weak signal testing in control chamber.
Weak signal testing in underwater control case performs delayed startup program when receiving the digital signal of sensor every time, if receiving the feedback signal of pier in the time range set, the most not starting any closing well program and delay procedure terminates；If being not received by any signal, weak signal testing just judges according to the data signal of sensor, selects start normal closing well program or start automatic shearing system.
The beneficial effects of the utility model are:
1, original deep-water blowout preventer group master control system is optimized by control system, use optical cable and underwater sound communication two ways to transmit the data message collected by underwater sensor network simultaneously, being processed to realize reporting to the police and Automated condtrol closing well to the information obtained by PLC again, two kinds of acquisition of information paths are mutually redundant.
2, control system can be by the subsea well equipment of wireless and wired two kinds of communication modes acquisition and two groups of data messages simultaneous display in the man machine interface of an industrial control computer of surrounding oil recovery environment, control system utilizes underwater wireless sensor network based on water sound communication technique, achieve the real-time monitoring to oil well rig and surrounding oil recovery environment, it is ensured that the personnel of deepwater production process and equipment safety.
3, combined by underwater wireless sensing technology and multichannel electrohydraulic control technology based on PLC so that the control high, long-range of whole control system automaticity is sensitive fast, and more possesses security reliability.
4, this utility model utilizes the two-bit triplet solenoid directional control valve of open type Direct Action Type to realize automatic shearing system " to forbid " and the automatic switchover of " awaiting orders " state, avoid must shift to an earlier date manually before causing danger or ROV operation completion system " forbid " or " awaiting orders " state switching existing for risk, add the security reliability of system；Meanwhile, use weak signal testing control so that occur blowout cause most of function of master control system to lose efficacy and LMRP do not disengage in the case of also can start automatic shearing system, further improve the security reliability of system.
Accompanying drawing explanation
Fig. 1 is deep-water blowout preventer group automation control system structure chart.
Fig. 2 is underwater sound communication schematic diagram.
In Fig. 2: 1 is drill ship, 2 is underwater acoustic transducer, and 3 is marine riser, and 4 is underwater acoustic transducer, and 5 is underwater control case, and 6 is annular preventer, and 7 is ram preventer.
Fig. 3 is deep-sea automatic shearing hydraulic circuit diagram.
Detailed description of the invention
As it is shown in figure 1, a kind of deep-water blowout preventer group automation control system based on water sound communication technique, it includes a central control unit being arranged on pier and several underwater control unit being arranged in underwater control case；Central control unit is made up of database server, work station, industrial control computer, VPN (virtual private network) (VPN) server, Genius triple modular redundant control module (GMR) based on PLC, modem, underwater acoustic transducer, optical-electrical converter；Underwater control unit is made up of underwater electronic module, A/D converter (A/D converter), underwater sensor group, hydraulic control system, and wherein underwater electronic module is made up of weak signal testing Programmable Logic Controller, modem, underwater acoustic transducer, optical-electrical converter；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and optical-electrical converter in underwater electronic module are connected in same bus, and by or gate logic be connected with hydraulic control system；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and the underwater acoustic transducer in central control unit, modem and GMR triple modular redundant control module based on PLC composition wireless communication system in underwater electronic module, this system is connected with central control unit, driller's console and team leader's control station by Shielded Twisted Pair, uses double-redundancy industrial Ethernet to realize communication.
The sensor group being arranged in Fig. 1 in oil well rig and surrounding oil recovery environment is connected in bus by after A/D converter (A/D converter), is simultaneously transferred to underwater miniature PLC, modem and optical-electrical converter by bus after the data messages such as the relevant subsea pressure collected, temperature, imflammable gas being converted to digital signal during work；Weak signal testing Programmable Logic Controller performs delayed startup program after receiving digital signal at once, the data signal received then is converted to the signal of telecommunication and passes to underwater acoustic transducer by modem, the underwater acoustic transducer being sent in pier after the signal of telecommunication that modem transmits being converted into acoustical signal by underwater acoustic transducer again, after decoding, it is reduced into data message be communicated up, this process utilizes water sound communication technique to achieve the communication of underwater wireless sensor network, and Fig. 2 is underwater sound communication schematic diagram；On the other hand, the digital signal received is delivered to optical-electrical converter waterborne by optical cable by optical-electrical converter, and this process takes the mode of wire communication；The speed propagated under water due to sound and light, it is also the most different that wired and wireless transmission signal arrives the time waterborne, then the data message being accomplished by being received by different time is first sent to the memorizer in GMR triple modular redundant control module, then is sent simultaneously to the PLC in electric-control system waterborne by memorizer；Underwater sensor group must be provided with suitable sampling interval duration, it is ensured that memorizer carry out again after the sample information receiving wired and wireless two kinds of communication modes transmission on once sample；All data be divided in PLC wired and wireless two groups pass to industrial control computer, and simultaneous display on a personal-machine interface.
PLC judges to start warning and automatization's closing well program according to the data message collected.Under normal circumstances, in two groups of data, the data of every pair of same type should be equal in error allowed band, i.e. judges that data are effective if equal, otherwise invalid.Data the most then need to determine whether total controlled blowout state, uncontrollable blowout state, three kinds of states of safety work state, the most corresponding different numerical intervals, starts corresponding warning and closing well program after judging its state according to the interval residing for valid data.The different types of data such as temperature, pressure, the most all it is judged as that being in safety work state does not the most perform any warning and closing well program, if going out to be now in two kinds and two or more different conditions after Pan Duaning, then the warning under override performs uncontrollable blowout state and closing well program.If data invalid, then terminate the operation of deep-water blowout preventer group automation control system, concurrently send the program of signal terminating underwater miniature PLC to run.All control instructions of PLC waterborne are transferred to indigo plant under water, yellow control chamber by two kinds of approach simultaneously: a kind of be changed into acoustical signal by modem and underwater acoustic transducer after be sent to underwater control case；Another kind is then converted to optical signals optical cable by optical-electrical converter and is transferred to control chamber.When two kinds of approach can normal transmission signal time, due to signal arrive asynchronous, need by or gate logic control start hydraulic system.When wired and be wirelessly transferred the signal interruption that approach has a kind of approach transmit, control chamber the most blue, yellow remains to receive the signal sent waterborne by another kind approach.The underwater sound modem being used for receiving signal under water is connected by bus with optical-electrical converter, as long as guaranteeing to have a kind of approach can normal transmission signal, weak signal testing can be obtained by the signal that delay procedure terminates, and control instruction can be issued to executive component smoothly.
As shown in Figure 1, underwater miniature PLC control system is under critical condition, during with pier lost contact, signal interruption, owing to not receiving the signal of delayed startup program determination, weak signal testing brings into operation, digital signal according to the transmission of sensor group judges, and selects start normal closing well program or start automatic shearing system.
As it is shown on figure 3, the proximity switch of mechanically actuated formula that the two-bit triplet solenoid directional control valve of open type Direct Action Type drives with compression spring is connected, constitutes a hydraulic circuit and control to start automatic shearing system.Electromagnetic valve is being safe from danger or be in obtain electricity condition, i.e. valve closing during normal drilling operability, and automatic shearing system is in " forbidding " state；Electromagnetic valve dead electricity, i.e. valve then can be caused to open when there is critical condition, automatic shearing system is in " awaiting orders " state.Under state of " awaiting orders ", LMRP platform disengages, the switch Guan Bi of spring-driven, automatic shearing system start-up.The two-bit triplet solenoid directional control valve of closed type Direct Action Type constitutes another hydraulic circuit as triggering device, in parallel with above-mentioned hydraulic circuit, underwater miniature PLC control whether electric, and when obtaining electric, valve is opened, automatic shearing system start-up.
Claims (2)
1. a deep-water blowout preventer group automation control system based on water sound communication technique, is characterized in that: it includes a central control unit being arranged on pier and several underwater control unit being arranged in underwater control case；Central control unit is made up of database server, work station, industrial control computer, VPN (virtual private network) vpn server, Genius triple modular redundant control module GMR based on PLC, modem, underwater acoustic transducer, optical-electrical converter；Underwater control unit is made up of underwater electronic module, A/D converter, underwater sensor group, hydraulic control system, and wherein underwater electronic module is made up of weak signal testing Programmable Logic Controller, modem, underwater acoustic transducer, optical-electrical converter；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and optical-electrical converter in underwater electronic module are connected in same bus, and by or gate logic be connected with hydraulic control system；Underwater acoustic transducer, modem, weak signal testing Programmable Logic Controller and the underwater acoustic transducer in central control unit, modem and GMR triple modular redundant control module based on PLC composition wireless communication system in underwater electronic module, this system is connected with central control unit, driller's console and team leader's control station by Shielded Twisted Pair, uses double-redundancy industrial Ethernet to realize communication.
A kind of deep-water blowout preventer group automation control system based on water sound communication technique the most according to claim 1, it is characterized in that: described control system also includes automatic shearing control unit, have two for the connected mode taking parallel connection between the hydraulic circuit starting automatic shearing system, two hydraulic circuits；Article 1, hydraulic circuit is made up of subsea accumulator group, the two-bit triplet solenoid directional control valve of open type Direct Action Type, the proximity switch of mechanically actuated formula of compression spring driving, marine riser bottom assembly, shear ram preventer；Article 2 hydraulic circuit is made up of subsea accumulator group, the two-bit triplet solenoid directional control valve of closed type Direct Action Type, shear ram preventer, by the two-bit triplet solenoid directional control valve of the weak signal testing Controlled by Programmable Controller closed type Direct Action Type in underwater control unit electric and dead electricity.
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| CN201620293165.7U CN205563232U (en) | 2016-04-11 | 2016-04-11 | Deep water blowout preventer stack automated control system based on underwater acoustic technique |
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| CN201620293165.7U CN205563232U (en) | 2016-04-11 | 2016-04-11 | Deep water blowout preventer stack automated control system based on underwater acoustic technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406185A (en) * | 2018-12-04 | 2019-03-01 | 中国海洋石油集团有限公司 | A kind of diagnosis of deep-water blowout preventer integrality and assessment system |
| CN110147081A (en) * | 2019-05-16 | 2019-08-20 | 北京国电智深控制技术有限公司 | A kind of scattered control system and its control method, computer readable storage medium |
-
2016
- 2016-04-11 CN CN201620293165.7U patent/CN205563232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406185A (en) * | 2018-12-04 | 2019-03-01 | 中国海洋石油集团有限公司 | A kind of diagnosis of deep-water blowout preventer integrality and assessment system |
| CN110147081A (en) * | 2019-05-16 | 2019-08-20 | 北京国电智深控制技术有限公司 | A kind of scattered control system and its control method, computer readable storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170411 |