CN110608035A - Testing system and method for wireless transmission of downhole data of oil well - Google Patents
Testing system and method for wireless transmission of downhole data of oil well Download PDFInfo
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- CN110608035A CN110608035A CN201911023799.5A CN201911023799A CN110608035A CN 110608035 A CN110608035 A CN 110608035A CN 201911023799 A CN201911023799 A CN 201911023799A CN 110608035 A CN110608035 A CN 110608035A
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 239000003129 oil well Substances 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 104
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses a testing system and a method for wirelessly transmitting downhole data of an oil well, wherein the system comprises a sleeve arranged under the oil well, and an oil pipe, a packer, a sieve pipe and a plug which are sequentially connected are arranged in the sleeve from top to bottom; the packer is characterized in that an underground testing device is arranged on the lower portion of the packer, an underground acquisition device is arranged in an annular space between the casing and the oil pipe, and the underground testing device and the underground acquisition device are in data transmission through wireless communication. The packer is internally pre-buried with a coaxial cable, the data input end of the coaxial cable penetrates out of the bottom end of the packer to be connected with the data output end of the underground testing device, and the data output end of the coaxial cable penetrates through the side wall of the packer to be in wireless communication with the data input end of the underground acquisition device. The system can effectively shorten the testing time of underground pressure recovery and obtain underground testing parameters through the wireless transmission device.
Description
Technical Field
The invention relates to the field of oilfield testing, in particular to a testing system and a testing method for wirelessly transmitting downhole data of an oil well.
Background
In the process of oil field production and development, in order to solve the production capacity and reservoir characteristics of an oil well, a testing instrument is generally required to obtain related formation parameters such as pressure, temperature and the like under the oil field.
For low-permeability and low-yield oil wells, qualified pressure recovery test data can be obtained only by closing the oil well for 3-5 months generally due to insufficient liquid supply capacity of the oil layer, the pressure recovery time is long, the test efficiency is low, and the field test requirements of the oil field cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides a testing system and a testing method for wirelessly transmitting oil well downhole data.
In order to achieve the purpose, the invention provides a testing system for wireless transmission of downhole data of an oil well, which is characterized in that: the packer comprises a casing arranged under an oil well, wherein an oil pipe, a packer, a sieve pipe and a plug which are sequentially connected are arranged in the casing from top to bottom;
the packer is characterized in that an underground testing device is arranged on the lower portion of the packer, an underground acquisition device is arranged in an annular space between the casing and the oil pipe, and the underground testing device and the underground acquisition device are in data transmission through wireless communication.
Furthermore, a coaxial cable is pre-buried in the packer, a data input end of the coaxial cable penetrates out of the bottom end of the packer to be connected with a data output end of the underground testing device, and a data output end of the coaxial cable penetrates through the side wall of the packer to be in wireless communication with a data input end of the underground acquisition device.
Furthermore, a single-core cable is arranged in an annular space between the sleeve and the oil pipe, a data input end of the single-core cable is connected with a data output end of the underground acquisition device, and a data output end of the single-core cable is connected with a data input end of the ground control system.
Further, the screen pipe is arranged at a perforation layer under an oil well, and a plurality of flow holes are formed in the circumferential direction of the outer wall of the screen pipe.
Furthermore, an oil well pump is arranged in the oil pipe and is connected with the oil pumping equipment on the ground through an oil pumping rod.
Furthermore, the bottom of the oil pipe is in threaded connection with the top of the packer, the bottom of the packer is in threaded connection with the top of the sieve pipe, and the bottom of the sieve pipe is in threaded connection with the plug.
Further, the underground testing device comprises a pressure sensor, a first single chip microcomputer, a first memory and a first wireless communication module;
the data output end of the pressure sensor is connected with the data input end of a first single chip microcomputer, the data storage end of the first single chip microcomputer is connected with a first storage, the data output end of the first single chip microcomputer is connected with the data input end of a first wireless communication module, and the data output end of the first wireless communication module is connected with the data input end of a downhole acquisition device;
the control signal output end of the underground acquisition device is connected with the control signal input end of the first wireless communication module, and the control signal output end of the first wireless communication module is connected with the control signal input end of the first single chip microcomputer.
Furthermore, the underground acquisition device comprises a second wireless communication module, a second singlechip, a second memory and a first carrier communication module;
the data input end of the second wireless communication module is connected with the data output end of the first wireless communication module, the data output end of the second wireless communication module is connected with the data input end of the second single chip microcomputer, the data storage end of the second single chip microcomputer is connected with the second storage, the data output end of the second single chip microcomputer is connected with the data input end of the first carrier communication module, and the data output end of the first carrier communication module is connected with the data input end of the ground control system;
the control signal output end of the ground control system is connected with the control signal input end of the first carrier communication module, the control signal output end of the first carrier communication module is connected with the control signal input end of the second single chip microcomputer, the control signal output end of the second single chip microcomputer is connected with the control signal input end of the second wireless communication module, and the control signal output end of the second wireless communication module is connected with the control signal input end of the first wireless communication module.
Further, the ground control system comprises a second carrier communication module, a third single chip microcomputer and a touch panel;
the data input end of the second carrier communication module is connected with the data output end of the first carrier communication module, the data output end of the second carrier communication module is connected with the data input end of a third single chip microcomputer, and the data output end of the third single chip microcomputer is connected with the data input end of the touch panel;
the control signal output end of the touch panel is connected with the control signal input end of the second carrier communication module, the control signal output end of the second carrier communication module is connected with the control signal input end of the second carrier communication module, and the control signal output end of the second carrier communication module is connected with the control signal input end of the first carrier communication module.
The invention also provides a method for testing by using the testing system for wirelessly transmitting the downhole data of the oil well, which comprises the following steps:
1) when underground data testing is needed, the oil pipe, the packer, the sieve pipe, the plug and the underground testing device are assembled and then are put into a sleeve pipe under the well, the oil well pump works normally, and the underground testing device performs flow pressure testing and stores;
2) when pressure recovery monitoring is needed, the oil well pump stops working, the oil pipe is rotated, the packer is in a setting state, and the underground testing device continues to perform formation pressure recovery testing and store;
3) when underground test data need to be extracted, the underground acquisition device is put into an annular space between a casing and an oil pipe through a single-core cable, and an operator sends a control signal through a ground control system, so that a second singlechip in the underground acquisition device controls a second wireless communication module to send an instruction to a first wireless communication module in the underground test device and transmits the instruction to the first singlechip; the first single chip microcomputer receives the instruction and then upwards transmits the instruction to a touch panel in the ground control system through the underground acquisition device, after the touch panel displays normal communication, pressure data stored in the first storage device is transmitted to the underground acquisition device, the second single chip microcomputer is triggered to store the data in the second storage device, data playback progress information is transmitted to the touch panel in the ground control system, and after all data are transmitted, the underground acquisition device is lifted to the ground.
Compared with the prior art, the invention has the following advantages:
the testing system for wirelessly transmitting the downhole data of the oil well optimizes and improves the traditional testing method, so that the downhole testing device can realize the monitoring of the flowing pressure in the normal production process of the oil well and can meet the requirement of accurate recording of formation pressure recovery data under the condition of downhole shut-in fluid compression.
Secondly, the testing system for wirelessly transmitting the downhole data of the oil well is provided with the downhole packer, so that for a low-permeability and low-yield oil well, the shaft storage space is reduced to the maximum extent in the well closing pressure recovery well testing process, the shaft storage time is effectively shortened, and the testing efficiency is improved.
Thirdly, the testing system for wirelessly transmitting the downhole data of the oil well adopts a wireless transmission technology, can quickly acquire the downhole testing data under the condition of not starting a pump, and effectively shortens the testing time of downhole pressure recovery.
Drawings
FIG. 1 is a schematic diagram of a test system for wirelessly transmitting downhole data from an oil well;
FIG. 2 is a schematic view of an expanded configuration of the screen of FIG. 1;
FIG. 3 is a signal flow diagram of the downhole testing device of FIG. 1;
FIG. 4 is a signal flow diagram of the downhole acquisition device of FIG. 1;
FIG. 5 is a signal flow diagram of the surface control system of FIG. 1;
in the figure: the device comprises a casing 1, an oil pipe 2, a packer 3, a sieve pipe 4, a circulation hole 4.1, a plug 5, an underground testing device 6 (a pressure sensor 6.1, a first single chip microcomputer 6.2, a first storage 6.3, a first wireless communication module 6.4), an underground acquisition device 7 (a second wireless communication module 7.1, a second single chip microcomputer 7.2, a second storage 7.3, a first carrier communication module 7.4), a coaxial cable 8, a single-core cable 9, a ground control system 10 (a second carrier communication module 10.1, a third single chip microcomputer 10.2, a touch panel 10.3), a perforation layer 11, an oil pump 12 and a sucker rod 13.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the embodiments, but they are not intended to limit the present invention and are only examples. While the advantages of the invention will be apparent and readily appreciated by the description.
The system for testing the wireless transmission of the downhole data of the oil well comprises a casing 1 arranged under the oil well, wherein an oil pipe 2, a packer 3, a sieve pipe 4 and a plug 5 which are sequentially connected are arranged in the casing 1 from top to bottom, the bottom of the oil pipe 2 is in threaded connection with the top of the packer 3, the bottom of the packer 3 is in threaded connection with the top of the sieve pipe 4, and the bottom of the sieve pipe 4 is in threaded connection with the plug 5. The lower part of packer 3 is provided with downhole testing arrangement 6, is provided with collection system 7 in the annular space between sleeve pipe 1 and oil pipe 2 in the pit, and downhole testing arrangement 6 carries out data transmission through wireless communication with collection system 7 in the pit. Therefore, the underground testing device can realize the flow pressure monitoring in the normal production process of the oil well and can also meet the requirement of accurate recording of formation pressure recovery data under the condition of underground shut-in fluid compression. By setting the packer 3, the shrinkage of the shaft storage space in the well closing pressure recovery well testing process to the maximum extent is realized, the shaft storage time is effectively shortened, and the testing efficiency is improved for low-permeability and low-yield oil wells.
Among the above-mentioned technical scheme, be provided with oil-well pump 12 in oil pipe 2, oil-well pump 12 passes through sucker rod 13 and is connected with subaerial oil pumping equipment (like the beam-pumping unit). The packer 3 is internally pre-buried with coaxial cable 8, and the data input end of coaxial cable 8 is worn out the bottom of packer 3 and is passed through the antenna and link to each other with the data output end of testing arrangement 6 in the pit, and the data output end of coaxial cable 8 runs through the lateral wall of packer 3 and carries out wireless communication through the data input end of antenna and collection system 7 in the pit, and in this embodiment, the model of coaxial cable 8 is RG178, has superior transmission characteristic, can the steady operation in communication network. A single-core cable 9 is arranged in an annular space between the casing 1 and the oil pipe 2, a data input end of the single-core cable 9 is connected with a data output end of the underground acquisition device 7, and a data output end of the single-core cable 9 is connected with a data input end of a ground control system 10.
As shown in fig. 2, the screen 4 is arranged in a perforation layer 11 under the oil well, and a plurality of flow holes 4.1 are arranged on the outer wall of the screen 4 in the circumferential direction. In this way, oil in the perforated layer 11 downhole in the well can enter the inside of the screen 4 through the through-holes 4.1.
As shown in fig. 3, the downhole testing device 6 includes a pressure sensor 6.1, a first single chip microcomputer 6.2, a first memory 6.3 and a first wireless communication module 6.4; in the embodiment, the model of the pressure sensor 6.1 is PA-8; the model of the first singlechip 6.2 is PIC24F32KA 302-E/SS; the first memory 6.3 has a model number SST26VF 064B; the first wireless communication module 6.4 is of type AS 50-T20. The data output end of the pressure sensor 6.1 is connected with the data input end of the first single chip microcomputer 6.2, the data storage end of the first single chip microcomputer 6.2 is connected with the first storage 6.3, the data output end of the first single chip microcomputer 6.2 is connected with the data input end of the first wireless communication module 6.4, and the data output end of the first wireless communication module 6.4 is connected with the data input end of the underground acquisition device 7. The control signal output end of the underground acquisition device 7 is connected with the control signal input end of the first wireless communication module 6.4, and the control signal output end of the first wireless communication module 6.4 is connected with the control signal input end of the first single chip microcomputer 6.2.
As shown in fig. 4, the downhole collection device 7 includes a second wireless communication module 7.1, a second single-chip microcomputer 7.2, a second memory 7.3, and a first carrier communication module 7.4; in this embodiment, the second wireless communication module 7.1 has a model number of AS 50-T20; the model of the second singlechip 7.2 is PIC18F26K 80; the model of the second memory 7.3 is FLASH SST26VF 064B; the model of the first carrier communication module 7.4 is DLB-TX. The data input end of the second wireless communication module 7.1 is connected with the data output end of the first wireless communication module 6.4, the data output end of the second wireless communication module 7.1 is connected with the data input end of the second single chip microcomputer 7.2, the data storage end of the second single chip microcomputer 7.2 is connected with the second storage 7.3, the data output end of the second single chip microcomputer 7.2 is connected with the data input end of the first carrier communication module 7.4, and the data output end of the first carrier communication module 7.4 is connected with the data input end of the ground control system 10.
In the above technical solution, the control signal output end of the ground control system 10 is connected to the control signal input end of the first carrier communication module 7.4, the control signal output end of the first carrier communication module 7.4 is connected to the control signal input end of the second single chip microcomputer 7.2, the control signal output end of the second single chip microcomputer 7.2 is connected to the control signal input end of the second wireless communication module 7.1, and the control signal output end of the second wireless communication module 7.1 is connected to the control signal input end of the first wireless communication module 6.4.
As shown in fig. 5, the ground control system 10 includes a second carrier communication module 10.1, a third single chip microcomputer 10.2 and a touch panel 10.3; in this embodiment, the model of the second carrier communication module 10.1 is DLB-TX; the model of the third singlechip 10.2 is PIC24FJ256GB 106; the touch panel 10.3 is of a type 800 × 600 diwen. The data input end of the second carrier communication module 10.1 is connected with the data output end of the first carrier communication module 7.4, the data output end of the second carrier communication module 10.1 is connected with the data input end of the third single chip microcomputer 10.2, and the data output end of the third single chip microcomputer 10.2 is connected with the data input end of the touch panel 10.3.
In the above technical solution, the control signal output end of the touch panel 10.3 is connected to the control signal input end of the second carrier communication module 10.1, the control signal output end of the second carrier communication module 10.1 is connected to the control signal input end of the second carrier communication module 10.1, and the control signal output end of the second carrier communication module 10.1 is connected to the control signal input end of the first carrier communication module 7.4.
The invention also provides a method for testing by using the testing system for wirelessly transmitting the downhole data of the oil well, which comprises the following steps:
1) when underground data testing is needed, the oil pipe 2, the packer 3, the sieve pipe 4, the plug 5 and the underground testing device 6 are assembled and then are put into the underground casing pipe 1, the oil pump 12 works normally, and the pressure sensor 6.1 of the underground testing device 6 tests and stores the flowing pressure through the first singlechip 6.2 and the first memory 6.3;
2) when pressure recovery monitoring is needed, the oil well pump 12 stops working, the oil pipe 2 is rotated, the packer 3 is in a setting state, and the pressure sensor 6.1 of the underground testing device 6 continues to perform formation pressure recovery testing and storage through the first singlechip 6.2 and the first storage 6.3;
3) when underground test data need to be extracted, the underground acquisition device 7 is lowered into an annular space between the casing 1 and the oil pipe 2 through the single-core cable 9, and an operator sends a control signal through the ground control system 10, so that the second singlechip 7.2 in the underground acquisition device 7 controls the second wireless communication module 7.1 to send an instruction to the first wireless communication module 6.4 in the underground test device 6 and transmits the instruction to the first singlechip 6.2; the first single chip microcomputer 6.2 receives the instruction and then upwards transmits the instruction to a touch panel 10.3 in the ground control system 10 through the underground acquisition device 7, after the touch panel 10.3 displays that the communication is normal, pressure data stored in the first storage 6.3 is transmitted to the underground acquisition device 7, the second single chip microcomputer 7.2 is triggered to store the data in the second storage 7.3, data playback progress information is transmitted to the touch panel 10.3 in the ground control system 10, and after all data are transmitted, the underground acquisition device 7 is lifted to the ground.
The above description is only an embodiment of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention, and the rest that is not described in detail is the prior art.
Claims (10)
1. The utility model provides a test system of wireless transmission oil well downhole data which characterized in that: the oil well packer comprises a casing (1) arranged under an oil well, wherein an oil pipe (2), a packer (3), a sieve pipe (4) and a plug (5) which are sequentially connected are arranged in the casing (1) from top to bottom;
the packer is characterized in that an underground testing device (6) is arranged on the lower portion of the packer (3), an underground acquisition device (7) is arranged in an annular space between the casing pipe (1) and the oil pipe (2), and the underground testing device (6) and the underground acquisition device (7) are in data transmission through wireless communication.
2. The system for testing wireless transmission of downhole data from an oil well according to claim 1, wherein: coaxial cables (8) are pre-buried in the packer (3), the data input end of each coaxial cable (8) penetrates out of the bottom end of the packer (3) to be connected with the data output end of the underground testing device (6), and the data output end of each coaxial cable (8) penetrates through the side wall of the packer (3) to be in wireless communication with the data input end of the underground acquisition device (7).
3. The system for testing wireless transmission of downhole data from an oil well according to claim 2, wherein: the oil pipe is characterized in that a single-core cable (9) is arranged in an annular space between the casing (1) and the oil pipe (2), a data input end of the single-core cable (9) is connected with a data output end of the underground acquisition device (7), and a data output end of the single-core cable (9) is connected with a data input end of a ground control system (10).
4. The system for testing wireless transmission of downhole data from an oil well according to claim 3, wherein: the screen pipe (4) is arranged on a perforation layer (11) under an oil well, and a plurality of circulation holes (4.1) are formed in the circumferential direction of the outer wall of the screen pipe (4).
5. The system for testing wireless transmission of downhole data from an oil well according to claim 4, wherein: an oil well pump (12) is arranged in the oil pipe (2), and the oil well pump (12) is connected with the oil pumping equipment on the ground through an oil pumping rod (13).
6. The system for testing wireless transmission of downhole data from an oil well according to claim 5, wherein: the bottom of the oil pipe (2) is in threaded connection with the top of the packer (3), the bottom of the packer (3) is in threaded connection with the top of the sieve pipe (4), and the bottom of the sieve pipe (4) is in threaded connection with the plug (5).
7. The system for testing wireless transmission of downhole data from an oil well according to claim 3, 4, 5 or 6, wherein: the downhole testing device (6) comprises a pressure sensor (6.1), a first single chip microcomputer (6.2), a first memory (6.3) and a first wireless communication module (6.4);
the data output end of the pressure sensor (6.1) is connected with the data input end of a first single chip microcomputer (6.2), the data storage end of the first single chip microcomputer (6.2) is connected with a first memory (6.3), the data output end of the first single chip microcomputer (6.2) is connected with the data input end of a first wireless communication module (6.4), and the data output end of the first wireless communication module (6.4) is connected with the data input end of a downhole acquisition device (7);
the control signal output end of the underground acquisition device (7) is connected with the control signal input end of the first wireless communication module (6.4), and the control signal output end of the first wireless communication module (6.4) is connected with the control signal input end of the first single chip microcomputer (6.2).
8. The system for testing wireless transmission of downhole data from an oil well according to claim 7, wherein: the underground acquisition device (7) comprises a second wireless communication module (7.1), a second singlechip (7.2), a second memory (7.3) and a first carrier communication module (7.4);
the data input end of the second wireless communication module (7.1) is connected with the data output end of the first wireless communication module (6.4), the data output end of the second wireless communication module (7.1) is connected with the data input end of the second single chip microcomputer (7.2), the data storage end of the second single chip microcomputer (7.2) is connected with the second storage (7.3), the data output end of the second single chip microcomputer (7.2) is connected with the data input end of the first carrier communication module (7.4), and the data output end of the first carrier communication module (7.4) is connected with the data input end of the ground control system (10);
the control signal output end of the ground control system (10) is connected with the control signal input end of the first carrier communication module (7.4), the control signal output end of the first carrier communication module (7.4) is connected with the control signal input end of the second single chip microcomputer (7.2), the control signal output end of the second single chip microcomputer (7.2) is connected with the control signal input end of the second wireless communication module (7.1), and the control signal output end of the second wireless communication module (7.1) is connected with the control signal input end of the first wireless communication module (6.4).
9. The system for testing wireless transmission of downhole data from an oil well according to claim 8, wherein: the ground control system (10) comprises a second carrier communication module (10.1), a third singlechip (10.2) and a touch panel (10.3);
the data input end of the second carrier communication module (10.1) is connected with the data output end of the first carrier communication module (7.4), the data output end of the second carrier communication module (10.1) is connected with the data input end of a third single chip microcomputer (10.2), and the data output end of the third single chip microcomputer (10.2) is connected with the data input end of a touch panel (10.3);
the control signal output end of the touch panel (10.3) is connected with the control signal input end of the second carrier communication module (10.1), the control signal output end of the second carrier communication module (10.1) is connected with the control signal input end of the second carrier communication module (10.1), and the control signal output end of the second carrier communication module (10.1) is connected with the control signal input end of the first carrier communication module (7.4).
10. A method of testing using the wireless transmission well downhole data testing system of claim 9, wherein: the method comprises the following steps:
1) when underground data testing is needed, the oil pipe (2), the packer (3), the sieve pipe (4), the plug (5) and the underground testing device (6) are assembled and then are put into the underground casing pipe (1), the oil well pump (12) works normally, and the underground testing device (6) performs flow pressure testing and stores;
2) when pressure recovery monitoring is needed, the oil well pump (12) stops working, the oil pipe (2) is rotated, the packer (3) is in a setting state, and the underground testing device (6) continues to perform formation pressure recovery testing and store;
3) when underground test data need to be extracted, the underground acquisition device (7) is put into an annular space between the casing (1) and the oil pipe (2) through the single-core cable (9), and an operator sends a control signal through the ground control system (10), so that the second singlechip (7.2) in the underground acquisition device (7) controls the second wireless communication module (7.1) to send an instruction to the first wireless communication module (6.4) in the underground test device (6) and transmits the instruction to the first singlechip (6.2); the first single chip microcomputer (6.2) receives the instruction and then upwards transmits the instruction to a touch panel (10.3) in the ground control system (10) through the underground acquisition device (7), after the touch panel (10.3) displays that the communication is normal, pressure data stored in the first storage (6.3) are transmitted to the underground acquisition device (7), the second single chip microcomputer (7.2) is triggered to store the data in the second storage (7.3), the data playback progress information is transmitted to the touch panel (10.3) in the ground control system (10), and after all data are transmitted, the underground acquisition device (7) is lifted to the ground.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114427446A (en) * | 2022-04-06 | 2022-05-03 | 山东地瑞科森能源技术股份有限公司 | Underground pressure monitoring device and method for petroleum production |
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| CN211448663U (en) * | 2019-10-25 | 2020-09-08 | 武汉三江航天远方科技有限公司 | Testing system for wireless transmission of downhole data of oil well |
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| CN114427446A (en) * | 2022-04-06 | 2022-05-03 | 山东地瑞科森能源技术股份有限公司 | Underground pressure monitoring device and method for petroleum production |
| CN114427446B (en) * | 2022-04-06 | 2022-05-31 | 山东地瑞科森能源技术股份有限公司 | Underground pressure monitoring device and method for petroleum production |
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