CN110984963A - Real-time monitoring system for underwater emergency well plugging - Google Patents
Real-time monitoring system for underwater emergency well plugging Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- 238000012545 processing Methods 0.000 claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000009466 transformation Effects 0.000 claims description 39
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- 230000006837 decompression Effects 0.000 claims description 9
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- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 6
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
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Abstract
The invention discloses a real-time monitoring system for underwater emergency well plugging, which comprises an offshore drilling platform floating on the sea surface and underwater well plugging equipment arranged at a well mouth, wherein the offshore drilling platform comprises a signal receiving and displaying and recording unit, the underwater well plugging equipment comprises a signal processing unit, a sonar conversion and transmitting unit, an underwater control unit and an electric power supply unit, the signal processing unit is in wired connection with the sonar conversion and transmitting unit, the underwater control unit is in wired connection with the signal processing unit and the sonar conversion and transmitting unit respectively, the electric power supply unit is in wired connection with the signal processing unit, the sonar conversion and transmitting unit and the underwater control unit respectively, and the sonar conversion and transmitting unit is in wireless connection with the signal receiving and displaying and recording unit. The invention realizes the wireless transmission and real-time monitoring of the sensor signal of the underwater well sealing equipment, not only improves the convenience of putting the underwater well sealing equipment down to the seabed, but also saves the space required by the offshore platform for placing the transmission equipment.
Description
Technical Field
The invention relates to the technical field of petroleum engineering, in particular to an underwater emergency well plugging real-time monitoring system.
Background
Energy has become a leading life line for national development, and petroleum, as a non-renewable resource, is one of the world's leading energy and strategic materials. Since the 90 s of the twentieth century, with the rapid growth of national economy and the gradual reduction of land oil exploration and development quantity in China, oil shortage has become a serious problem restricting economic development and influencing people's life, and land oil shortage will lead oil and gas exploitation to the ocean with rich oil and gas reserves. When an accident occurs in ocean oil and gas drilling, blowout emergency rescue operation is carried out by underwater emergency well plugging equipment to seal an accident well mouth, and key data such as temperature and pressure of a seabed well mouth and the like need to be monitored in real time in the emergency operation process to ensure the operation safety.
The conventional deep sea oil and gas drilling and emergency well sealing data monitoring system carries out data communication through optical fibers or cables, the operation difficulty is high when wired equipment is placed down to the sea bottom, and a cable winch needs to occupy a large space of an offshore platform.
Therefore, how to provide a convenient underwater emergency well shut-in real-time monitoring system is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a real-time monitoring system for underwater emergency well plugging, which realizes wireless transmission and real-time monitoring of sensor signals of an underwater well plugging device, improves the convenience of putting the underwater well plugging device down to the seabed, and saves the space required by a marine platform for placing transmission equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
an underwater emergency well shut-in real-time monitoring system comprises an offshore drilling platform floating on the sea surface and an underwater well shut-in device arranged on a well head, the offshore drilling platform is connected with the underwater well plugging device through a drilling isolation pipe or a drill pipe and comprises a signal receiving and displaying recording unit, the underwater well sealing equipment comprises a signal processing unit, a sonar conversion and emission unit, an underwater control unit and a power supply unit, the signal processing unit is in wired connection with the sonar conversion and transmission unit, the underwater control unit is respectively in wired connection with the signal processing unit and the sonar conversion and transmission unit, the power supply unit is respectively connected with the signal processing unit, the sonar conversion and transmission unit and the underwater control unit in a wired mode, the sonar conversion and emission unit is wirelessly connected with the signal receiving and displaying recording unit;
the signal processing unit is used for acquiring wellhead environment data in real time and sending the wellhead environment data to the sonar conversion and transmission unit;
the sonar conversion and emission unit is used for converting the wellhead environment data into sonar signals and transmitting the sonar signals to the signal receiving and displaying and recording unit through wireless transmission;
the signal receiving and displaying recording unit restores the sonar signals into wellhead environment data and displays the wellhead environment data in real time;
the underwater control unit is used for monitoring the operating states of the signal processing unit, the sonar conversion and transmission unit and the power supply unit;
the power supply unit provides electric energy for the signal processing unit, the sonar conversion and transmission unit and the underwater control unit.
Further, the signal processing unit comprises an underwater sensor, a signal acquisition module, a signal processing module, a signal sending module and a signal processing unit control module, the underwater sensor, the signal acquisition module, the signal processing module and the signal sending module are sequentially connected through signal lines, and the signal acquisition module, the signal processing module and the signal sending module are all connected with the signal processing unit control module through signal lines;
the underwater sensor is used for acquiring wellhead environment data in real time, wherein the wellhead environment data comprises pressure, temperature, viscosity and flow signals;
the signal acquisition module is used for receiving the wellhead environment data;
the signal processing module is used for classifying and packaging the wellhead environment data;
the signal sending module is used for sending the packed sensor signals;
the signal processing unit control module is used for controlling the signal acquisition, processing and transmission processes in real time.
Further, the sonar conversion and transmission unit comprises a signal receiving module, a signal compression module, a signal encryption module, a sensor signal conversion module, a sonar signal conversion and transmission unit control module and an underwater acoustic transducer, the signal sending module, the signal receiving module, the signal compression module, the signal encryption module, the sensor signal conversion module and the underwater acoustic transducer are sequentially connected through signal lines, and the sonar signal conversion and transmission unit control module is respectively connected with the signal receiving module, the signal compression module, the signal encryption module and the sensor signal conversion module through signal lines;
the signal receiving module is used for receiving the sensor signal sent by the signal sending module;
the signal compression module compresses the sensor signal;
the signal encryption module encrypts the compressed sensor signal;
the sensor signal conversion module converts the encrypted sensor signal into a sonar signal;
the sonar signal conversion and transmission unit control module is used for carrying out real-time control during the receiving, compression, encryption, conversion and transmission of the sensor signals;
the underwater acoustic transducer is used for sending the sonar signals to the water.
Further, the underwater control unit comprises a unit state information receiving module, a control information sending module and a unit state real-time control module, wherein the unit state information receiving module, the unit state real-time control module and the control information sending module are sequentially connected through signal lines, the unit state information receiving module is respectively connected with the signal processing unit control module and the sonar signal conversion and emission unit control module through signal lines, and the control information sending module is respectively connected with the signal processing unit control module and the sonar signal conversion and emission unit control module through signal lines;
the unit state information receiving module is used for acquiring the current state of each unit in real time;
the unit state real-time control module is used for making a control decision according to the current state of each unit;
and the control information sending module is used for sending the corresponding control decision to each unit.
Further, the power supply unit comprises a power supply unit power supply and control module, a sonar signal conversion and emission unit voltage transformation module, a signal processing unit voltage transformation module and a master control unit voltage transformation module, the power supply unit power supply and control module is respectively connected with the sonar signal conversion and emission unit voltage transformation module, the signal processing unit voltage transformation module and the master control unit voltage transformation module through signal lines, the power supply unit power supply and control module is respectively connected with the unit state information receiving module and the control information sending module through signal lines, the sonar signal conversion and emission unit voltage transformation module is connected with the sonar signal conversion and emission unit control module through signal lines, the signal processing unit voltage transformation module is connected with the signal processing unit control module through signal lines, the master control unit voltage transformation module is connected with the unit state real-time control module through a signal line;
the sonar signal conversion and transmission unit voltage transformation module is used for supplying power to the sonar conversion and transmission unit;
the signal processing unit voltage transformation module is used for supplying power to the signal processing unit;
the master control unit voltage transformation module is used for supplying power to the underwater control unit;
the power supply unit power supply and control module is used for distributing electric energy.
Further, the signal receiving and displaying and recording unit comprises a water surface underwater acoustic transducer, a sonar signal conversion module, a signal decryption module, a signal decompression module and a display interface module which are sequentially connected through a signal line, wherein the water surface underwater acoustic transducer is wirelessly connected with the underwater acoustic transducer;
the underwater acoustic transducer is used for receiving the sonar signals;
the sonar signal conversion module is used for converting the sonar signals;
the signal decryption module decrypts the converted sonar signals;
the signal decompression module decompresses the decrypted signal and restores the decompressed signal into the wellhead environment data;
the display interface module is used for displaying the wellhead environment data in real time.
Further, the signal processing unit also comprises a visual instrument module, and the visual instrument module is connected with the signal sending module through a signal line;
the visual instrument module is used for displaying sensor signals in real time.
Further, the sonar conversion and emission unit further comprises a standby underwater acoustic transducer, and the standby underwater acoustic transducer is connected with the sensor signal conversion module through a signal line and is wirelessly connected with the underwater acoustic transducer;
the underwater sound transducer under the standby water is used for sending the sonar signals to the water.
Furthermore, the signal processing unit also comprises a sensor junction box which is respectively connected with the underwater sensor and the signal acquisition module through waterproof signal lines.
Furthermore, the signal lines are all waterproof signal lines.
According to the technical scheme, compared with the prior art, the invention discloses the underwater emergency well shut-in real-time monitoring system, well head data acquired in the oil and gas exploitation process are wirelessly transmitted to an offshore drilling platform through sonar signals, and the defects that a conventional monitoring system needs a cable winch to occupy larger platform space and underwater equipment is inconvenient to lower due to data communication through optical fibers or cables are overcome.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a structure of an underwater oil and gas equipment provided by the invention.
FIG. 2 is a schematic diagram showing the composition of a real-time monitoring system for underwater emergency well plugging provided by the invention.
Wherein the content of the first and second substances,
1. an offshore drilling platform, 11, a signal receiving and displaying recording unit, 111, a water surface underwater acoustic transducer, 112, a sonar signal conversion module, 113, a signal decryption module, 114, a signal decompression module, 115, a display interface module, 2, underwater well sealing equipment, 21, a signal processing unit, 211, an underwater sensor, 212, a sensor junction box, 213, a signal acquisition module, 214, a signal processing module, 215, a signal sending module, 216, a signal processing unit control module, 217, a visual instrument module, 22, a sonar conversion and transmitting unit, 221, a signal receiving module, 222, a signal compression module, 223, a signal encryption module, 224, a sensor signal conversion module, 225, a sonar signal conversion and transmitting unit control module, 226, an underwater acoustic transducer, 227, a standby underwater acoustic transducer, 23, an underwater control unit, 231, a sonar signal processing module, a signal processing module, 215, a signal transmission module, a signal receiving module, a signal, The device comprises a unit state information receiving module 232, a control information sending module 233, a unit state real-time control module 24, a power supply unit 241, a power supply and control module of the power supply unit 242, a sonar signal conversion and transmission unit voltage transformation module 243, a signal processing unit voltage transformation module 244 and a master control unit voltage transformation module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a real-time monitoring system for underwater emergency well plugging, which comprises an offshore drilling platform 1 floating on the sea surface and underwater well plugging equipment 2 arranged on a wellhead, wherein the offshore drilling platform is connected with the offshore drilling platform through a pipeline; the offshore drilling platform 1 is connected with the underwater well sealing equipment 2 through a drilling isolation pipe or a drill rod and used for generating and sending a control signal and controlling the underwater well sealing equipment 2 to execute corresponding actions; the driller sends out control signals on the offshore drilling platform 1, transmits the control signals to the underwater well sealing equipment 2 after processing the control signals to generate corresponding actions, and corresponding functions are realized.
As shown in fig. 2, the underwater well sealing device 2 comprises a signal processing unit 21 mounted on the support of the underwater well sealing device 2, a power supply unit 24 mounted on the support of the underwater well sealing device 2, a sonar conversion and transmission unit 22 mounted on the signal processing unit 21, an underwater control unit 23 mounted on the support of the underwater well sealing device 2, and a signal receiving and display recording unit 11 mounted on the driller's room of the offshore drilling platform 1.
The signal processing unit 21 comprises at least two underwater sensors 211, a sensor junction box 212, a signal acquisition module 213, a signal processing module 214, a signal sending module 215, a signal processing unit control module 216 and a visualization instrument module 217. The underwater sensor 211 is fixed on the underwater well sealing equipment 2 through a mechanical fixing structure and is used for collecting well head pressure, temperature, viscosity and flow signals in the oil and gas exploitation process in real time; the sensor junction box 212 is connected with the underwater sensor 211 through a waterproof signal line and is used for integrating the wiring of the underwater sensor 211, so that external communication equipment can be conveniently connected; the signal acquisition module 213 is developed based on a signal acquisition board card, is connected with the sensor junction box 212 through a waterproof signal line, and is used for docking various sensors and realizing signal reception; the signal processing module 214 is developed based on a high-speed signal processing board card, is connected with the signal acquisition module 213 through a signal wire, and is used for realizing classification processing and packaging of various signals; the signal sending module 2215 is developed based on the STM32 signal sending module, is connected with the signal processing module 214 through a signal line, and is used for sending the packaged sensor signal; the visual instrument module 217 is developed based on a plurality of digital display board cards, is connected with the signal sending module 215 through a signal wire, and is used for receiving and displaying real-time signals of the sensor; the signal processing unit control module 216 is developed based on the Arduino control module, and is connected to the signal acquisition module 213, the signal processing module 214, and the signal transmission module 215 through signal lines, respectively, for controlling the signal acquisition processing transmission process in real time.
Under the control of the signal processing unit control module 216, the signal acquisition module 213 acquires signals of the underwater sensor 211 in real time and transmits the signals to the signal processing module 214 for processing, classification and packaging, and the signals are transmitted to the sonar signal conversion and transmission unit 22 through the signal transmission module 215, the visual instrument module 217 displays the acquired sensor signals in real time, and when data cannot be monitored on an underwater signal transmission fault platform, the display data can be directly read through an underwater robot.
The sonar signal converting and transmitting unit 22 includes a signal receiving module 221, a signal compressing module 222, a signal encrypting module 223, a sensor signal converting module 224, a sonar signal converting and transmitting unit control module 225, an underwater acoustic transducer 226, and a redundant underwater acoustic transducer 227. The signal receiving module 221 is developed based on an STM32 signal receiving module, is connected with the signal sending module 215 through a signal line, and is used for receiving the processed sensor signal; the signal compression module 222 is connected to the signal receiving module 221 through a signal line, and is configured to compress the sensor signal; the signal encryption module 223 is connected with the signal compression module 222 through a signal line and is used for encrypting the sensor signal; the sensor signal conversion module 224 is connected with the signal encryption module 223 through a signal line and is used for converting the sensor signal into a sonar signal; the underwater acoustic transducer 226 is connected with the sensor signal conversion module 224 through a waterproof signal line and is used for sending sonar signals containing sensor information to the water; the redundant underwater acoustic transducer 227 is connected with the sensor signal conversion module 224 through a waterproof signal line and is used for simultaneously transmitting sonar signals with the underwater acoustic transducer 226; the sonar signal conversion and transmission unit control module 225 is developed based on an Arduino control module, and is respectively connected with the signal receiving module 221, the signal compression module 222, the signal encryption module 223 and the sensor signal conversion module 224 through signal lines, and is used for controlling the sonar signal conversion and transmission and the process in real time.
Under the control of the sonar signal conversion and transmission unit control module 225, the sensor signal of the signal transmission module 215 received by the signal receiving module 221 is compressed by the signal compression module 222 and then is encoded and encrypted by the signal encryption module 223, the sensor signal conversion module 224 converts the obtained signal into a sonar signal, and the sonar signal is transmitted to the water surface by the underwater acoustic transducer 226 and the redundant underwater acoustic transducer 227, and when any one of the two transducers fails, the other transducer can independently transmit the sonar signal to the water surface.
The underwater control unit 23 includes a unit state information receiving module 231, a control information transmitting module 232, and a unit state real-time control module 233. The unit state information receiving module 231 is developed based on a multi-channel communication board card, is respectively connected with the signal processing unit control module 216, the sonar signal conversion and transmission unit control module 225 and the power supply unit power supply and control module 241 through signal lines, and is used for collecting the current state of each unit in real time and transmitting the current state to the unit state real-time control module 233; the unit state real-time control module 233 is developed based on the Arduino control module, is connected with the unit state information receiving module 231 through a signal line, and is used for making a control decision according to the current state of each unit; the control information sending module 232 is developed based on a multi-channel communication board, is connected with the unit state real-time control module 233 through a signal line, is used for receiving control information, is respectively connected with the signal processing unit control module 216, the sonar signal conversion and transmission unit control module 225 and the power supply unit power supply and control module 241 through signal lines, and is used for sending corresponding control information to a corresponding unit.
The unit state information receiving module 231 receives the current information of the signal processing unit 21, the power supply unit 24 and the sonar signal conversion and transmission unit 22 and transmits the current information to the unit state real-time control module 233, and the unit state real-time control module 233 generates a control signal and transmits the control signal to each unit through the control information transmitting module 232 to control the normal operation of the underwater monitoring transmission process.
The power supply unit 24 includes a power supply unit power supply and control module 241, a sonar signal conversion and transmission unit transformation module 242, a signal processing unit transformation module 243, and an overall control unit transformation module 244. The power supply and control module 241 of the power supply unit is respectively connected with the sonar signal conversion and transmission unit transformation module 242, the signal processing unit transformation module 243 and the master control unit transformation module 244 through waterproof cables and is used for providing power for the underwater part of the underwater oil and gas exploitation real-time monitoring system; the sonar signal conversion and transmission unit voltage transformation module 242 is connected with the sonar signal conversion and transmission unit control module 225 through a waterproof cable, and is used for supplying power to the sonar signal conversion and transmission unit 22; the signal processing unit voltage transformation module 243 is connected with the signal processing unit control module 216 through a waterproof cable and is used for supplying power to the signal processing unit 21; the master control unit voltage transformation module 244 is connected with the unit state real-time control module 233 through a waterproof cable, and is used for supplying power to the underwater control unit 23.
Under the control of the power supply unit power supply and control module 241, the sonar signal conversion and transmission unit voltage transformation module 242 supplies power to the sonar signal conversion and transmission unit 22, the signal processing unit voltage transformation module 243 supplies power to the signal processing unit 21, and the total control unit voltage transformation module 244 supplies power to the underwater control unit 23.
The signal receiving and displaying recording unit 11 comprises a water surface underwater acoustic transducer 111, a sonar signal conversion module 112, a signal decryption module 113, a signal decompression module 114 and a display interface module 115. The underwater acoustic transducer 111 communicates with the underwater acoustic transducer 226 and the redundant underwater acoustic transducer 227 through sonar signals, and is used for receiving sonar signals of the underwater acoustic transducer 226 and the redundant underwater acoustic transducer 227; the sonar signal conversion module 112 is connected with the underwater acoustic transducer 111 through a waterproof signal line and is used for converting sonar signals received by the underwater acoustic transducer 111; the signal decryption module 113 is connected with the sonar signal conversion module 112 through a signal line and is used for decrypting the converted signal; the signal decompression module 114 is connected with the signal decryption module 113 through a signal line and is used for decompressing the decrypted signal; the display interface module 115 is connected to the signal decompression module 114 through a signal line, and is configured to display the data collected by the underwater sensor 211 in real time.
The underwater acoustic transducer 111 receives sonar signals of the underwater acoustic transducer 226 and the redundant underwater acoustic transducer 227, the received signals are converted by the sonar signal conversion module 112, then are decrypted and decompressed by the signal decryption module 113 and the signal decompression module 114 respectively, and are displayed on the display interface module 115 in real time, and the display interface module 115 is provided with an external interface which can be connected with an external device for data transmission.
The working process of the invention is as follows:
under the control of the underwater control unit 13, the signal processing unit 21 receives and processes wellhead pressure, temperature and viscosity, hydraulic pressure and flow signals of a control loop in the oil and gas exploitation process, transmits the signals to the sonar signal conversion and emission unit 22 for compression encryption conversion, and transmits the converted signals to the water surface through the underwater acoustic transducer 226 and the redundant underwater acoustic transducer 227; when any one of the two transducers fails, the other transducer can independently send sonar signals to the water surface; when the underwater transmission system has a fault, the parameters displayed by the visual instrument module 217 can be read by the underwater robot to carry out signal monitoring; in this process, the power supply unit 24 supplies each unit with electric power; the sonar signals transmitted to the water surface are received by a water surface underwater acoustic transducer 111 in the signal receiving and displaying and recording unit 11, and are then converted, decrypted and decompressed to be displayed on a display interface module 115, and the display interface module 115 is provided with an external interface which can be connected with external equipment for data transmission.
The invention has the following advantages:
the underwater well sealing device sensor signal wireless transmission and real-time monitoring are realized, the convenience of putting the underwater well sealing device to the seabed is improved, and the space required by a marine platform for placing the transmission device is saved. In addition, the underwater sensor and the underwater acoustic transducer are in redundant configuration, so that the adaptability of the system to seabed emergency conditions is improved, and the problem that the conventional data monitoring system is difficult to deal with the underwater emergency conditions due to the lack of redundant emergency setting, and the deep sea emergency well plugging operation fails due to the fact that well head data monitoring faults are easy to occur is solved.
The system has the characteristics of high reliability, convenience and quickness in application and the like, and can effectively improve the safety of ocean oil and gas drilling and emergency well plugging operation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An underwater emergency well shut-in real-time monitoring system comprises an offshore drilling platform (1) floating on the sea surface and an underwater well shut-in device (2) arranged at a well head, wherein the offshore drilling platform (1) is connected with the underwater well shut-in device (2) through a drilling isolation pipe or a drill pipe,
the offshore drilling platform (1) comprises a signal receiving and displaying recording unit (11), the underwater well sealing equipment (2) comprises a signal processing unit (21), a sonar conversion and transmitting unit (22), an underwater control unit (23) and a power supply unit (24), the signal processing unit (21) is in wired connection with the sonar conversion and transmitting unit (22), the underwater control unit (23) is in wired connection with the signal processing unit (21) and the sonar conversion and transmitting unit (22) respectively, the power supply unit (24) is in wired connection with the signal processing unit (21), the sonar conversion and transmitting unit (22) and the underwater control unit (23) respectively, and the sonar conversion and transmitting unit (22) is in wireless connection with the signal receiving and displaying recording unit (11);
the signal processing unit (21) is used for acquiring wellhead environment data in real time and sending the wellhead environment data to the sonar conversion and transmitting unit (22);
the sonar conversion and transmission unit (22) is used for converting the wellhead environment data into sonar signals and transmitting the sonar signals to the signal receiving and displaying recording unit (11) through wireless transmission;
the signal receiving and displaying recording unit (11) restores the sonar signals into the wellhead environment data and displays the data in real time;
the underwater control unit (23) is used for monitoring the operating states of the signal processing unit (21), the sonar conversion and transmission unit (22) and the power supply unit (24);
the power supply unit (24) provides electrical energy to the signal processing unit (21), the sonar conversion and transmission unit (22), and the underwater control unit (23).
2. The real-time monitoring system for the underwater emergency well shut-in according to claim 1, wherein the signal processing unit (21) comprises an underwater sensor (211), a signal acquisition module (213), a signal processing module (214), a signal sending module (215) and a signal processing unit control module (216), the underwater sensor (211), the signal acquisition module (213), the signal processing module (214) and the signal sending module (215) are sequentially connected through signal lines, and the signal acquisition module (213), the signal processing module (214) and the signal sending module (215) are all connected with the signal processing unit control module (216) through signal lines;
the underwater sensor (211) is used for acquiring wellhead environment data in real time, wherein the wellhead environment data comprises pressure, temperature, viscosity and flow signals;
the signal acquisition module (213) is used for receiving the wellhead environment data;
the signal processing module (214) classifies, processes and packages the wellhead environment data;
the signal sending module (215) is used for sending the packaged sensor signal;
the signal processing unit control module (216) is used for controlling the signal acquisition, processing and transmission processes in real time.
3. The real-time monitoring system for the underwater emergency well shut-in according to claim 2, wherein the sonar conversion and transmission unit (22) comprises a signal receiving module (221), a signal compression module (222), a signal encryption module (223), a sensor signal conversion module (224), a sonar signal conversion and transmission unit control module (225) and an underwater acoustic transducer (226), the signal sending module (215), the signal receiving module (221), the signal compression module (222), the signal encryption module (223), the sensor signal conversion module (224) and the underwater acoustic transducer (226) are sequentially connected through signal lines, and the sonar signal conversion and transmission unit control module (225) is respectively connected with the signal receiving module (221), the signal compression module (222) through signal lines, The signal encryption module (223) is connected with the sensor signal conversion module (224);
the signal receiving module (221) is used for receiving the sensor signal sent by the signal sending module (215);
the signal compression module (222) compresses the sensor signal;
the signal encryption module (223) encrypts the compressed sensor signal;
the sensor signal conversion module (224) converts the encrypted sensor signal into the sonar signal;
the sonar signal conversion and transmission unit control module (225) is used for real-time control during the receiving, compression, encryption, conversion and transmission of sensor signals;
the underwater acoustic transducer (226) is configured to transmit the sonar signal to the water.
4. The real-time monitoring system for the underwater emergency well plugging according to claim 3, the underwater control unit (23) comprises a unit state information receiving module (231), a control information sending module (232) and a unit state real-time control module (233), the unit state information receiving module (231), the unit state real-time control module (233) and the control information sending module (232) are connected in sequence through signal lines, the unit state information receiving module (231) is respectively connected with the signal processing unit control module (216) and the sonar signal conversion and transmission unit control module (225) through signal lines, the control information sending module (232) is respectively connected with the signal processing unit control module (216) and the sonar signal conversion and transmission unit control module (225) through signal lines;
the unit state information receiving module (231) is used for acquiring the current state of each unit in real time;
the unit state real-time control module (233) is used for making control decisions according to the current state of each unit;
the control information sending module (232) is used for sending the corresponding control decision to each unit.
5. The real-time monitoring system for the underwater emergency well plugging according to claim 4, wherein the power supply unit (24) comprises a power supply unit power supply and control module (241), a sonar signal conversion and transmission unit transformation module (242), a signal processing unit transformation module (243) and a master control unit transformation module (244), the power supply unit power supply and control module (241) is respectively connected with the sonar signal conversion and transmission unit transformation module (242), the signal processing unit transformation module (243) and the master control unit transformation module (244) through signal lines, the power supply unit power supply and control module (241) is respectively connected with the unit state information receiving module (231) and the control information sending module (232) through signal lines, and the sonar signal conversion and transmission unit transformation module (242) is respectively connected with the sonar signal conversion and transmission unit through signal lines The control module (225) is connected, the signal processing unit voltage transformation module (243) is connected with the signal processing unit control module (216) through a signal line, and the master control unit voltage transformation module (244) is connected with the unit state real-time control module (233) through a signal line;
the sonar signal conversion and transmission unit voltage transformation module (242) is used for supplying power to the sonar conversion and transmission unit (22);
the signal processing unit voltage transformation module (243) is used for supplying power to the signal processing unit (21);
the master control unit voltage transformation module (244) is used for supplying power to the underwater control unit (23);
the power supply unit power and control module (241) is used for distributing electric energy.
6. The real-time monitoring system for the underwater emergency well sealing according to claim 5, wherein the signal receiving and displaying recording unit (11) comprises a water surface underwater acoustic transducer (111), a sonar signal conversion module (112), a signal decryption module (113), a signal decompression module (114) and a display interface module (115) which are sequentially connected through signal lines, wherein the water surface underwater acoustic transducer (111) is wirelessly connected with the underwater acoustic transducer (226);
the underwater acoustic transducer (111) is used for receiving the sonar signals;
the sonar signal conversion module (112) is used for converting the sonar signals;
the signal decryption module (113) decrypts the converted sonar signals;
the signal decompression module (114) decompresses the decrypted signal and restores the decompressed signal into the wellhead environment data;
the display interface module (115) is used for displaying the wellhead environment data in real time.
7. A real-time monitoring system for underwater emergency well shut-in according to claim 2, characterized in that said signal processing unit (21) further comprises a visual instrumentation module (217), said visual instrumentation module (217) is connected with said signal transmission module (215) through a signal line;
the visual instrument module (217) is used for displaying sensor signals in real time.
8. The real-time monitoring system for the underwater emergency well sealing according to claim 6, wherein the sonar conversion and transmission unit (22) further comprises a standby underwater acoustic transducer (227), the standby underwater acoustic transducer (227) is connected with the sensor signal conversion module (224) through a signal line and is wirelessly connected with the underwater acoustic transducer (111);
the under-water underwater acoustic transducer (227) is used for transmitting the sonar signal to the water.
9. The real-time monitoring system for the underwater emergency well shut-in according to claim 2, characterized in that the signal processing unit (21) further comprises a sensor junction box (212), and the sensor junction box (212) is respectively connected with the underwater sensor (211) and the signal acquisition module (213) through waterproof signal lines.
10. The real-time monitoring system for the underwater emergency well plugging according to claim 8, wherein the signal lines are all waterproof signal lines.
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: CHINA NATIONAL OFFSHORE OIL Corp. Applicant after: CHINA NATIONAL OFFSHORE OIL Corp. Applicant after: CNOOC HAINAN ENERGY Co.,Ltd. Applicant after: RONGSHENG MACHINERY MANUFACTURE Ltd. OF HUABEI OILFIELD Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant before: CHINA NATIONAL OFFSHORE OIL Corp. Applicant before: CHINA NATIONAL OFFSHORE OIL Corp. Applicant before: CNOOC HAINAN ENERGY Co.,Ltd. Applicant before: RONGSHENG MACHINERY MANUFACTURE Ltd. OF HUABEI OILFIELD |