CN204098896U - For the protection of the real time monitoring apparatus of downhole logging instrument - Google Patents
For the protection of the real time monitoring apparatus of downhole logging instrument Download PDFInfo
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- CN204098896U CN204098896U CN201420461827.8U CN201420461827U CN204098896U CN 204098896 U CN204098896 U CN 204098896U CN 201420461827 U CN201420461827 U CN 201420461827U CN 204098896 U CN204098896 U CN 204098896U
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Abstract
The utility model relates to horizontal bare hole borehole logging tool monitoring technique field, be a kind of real time monitoring apparatus for the protection of downhole logging instrument, comprise data processing equipment, receiver panel, electromagnetic signal receiving system, driller's display, Industrial Personal Computer (IPC), drilling rod, transition pipe nipple, insulating short section, the first battery short section, downhole sensor, emitter pipe nipple, attitude retainer pipe nipple and the second battery short section; Downhole sensor comprises four parameter pipe nipple and Telescopic short pieces.The utility model reasonable and compact in structure, easy to use, can be hampered to the downhole logging instruments in well logging or meet the accidents such as card and carry out early warning, reduce the generation of downhole logging instrument accident, ensure that carrying out smoothly of logging operation, simultaneously, in the process of carrying out logging operation, without the need to logging cable, utilize electromagnetic signal receiving system that the construction in well logging and the security-related parameter of instrument are real-time transmitted to ground, can whole process measure, for subsequent well operation provides important technical data.
Description
Technical field
the utility model relates to horizontal bare hole borehole logging tool monitoring technique field, is a kind of real time monitoring apparatus for the protection of downhole logging instrument.
Background technology
along with the application of new drilling technology and the raising of drilling speed, Holes of Complicated Wells, extended horizontal well are more and more, user requires also more and more higher to the operational security of logger and convenience, need to develop a kind of logging system adapting to job requirements under above-mentioned hole condition, conscientiously to solve the construction problem such as safety, convenience faced in well logging.Current bore hole logging operation is divided into three kinds from construction technology: the first is that ground winch drags cable and completes Real-time Logging operation, and this logging technique is generally used for straight well and little Wells under dependence downhole probe deadweight drive cable bottom measuring section; The second is that downhole probe is connected on bottom drilling rod or oil pipe, measuring section is transported to by drilling rod or oil pipe, by special process logging cable and downhole probe completed in down-hole and dock, then drive instrument and cable to complete Real-time Logging operation by drilling rod or oil pipe, this logging technique is generally used for the good high angle hole of hole condition condition and short essay horizontal well; The third is fixed in drilling rod for downhole probe through particular design, bottom Drill-pipe conveyed to measuring section, by special process, downhole probe is released drilling rod, then complete storage type logging operation by drilling rod being carried instrument, this logging technique is generally used for high angle hole and the horizontal well of hole condition inclement condition.
in horizontal wellbore logging, tool string transfer with drilling rod and on the process carried carry out logging operation.The second construction technology is in the process transferring instrument, can not livewire work, be in blind lower state, can not being hampered of Real-Time Monitoring tool string, stress, easily cause and be hampered, meet the security incidents such as card, or directly cause instrument string to fall well, also need repeatedly to dock in extended horizontal well.In whole work progress, cable is free on outside drilling rod, easily causes the security incidents such as cable bit freezing.The third construction technology adopts memory-type instrument, and equipment placement is inner at drilling rod, although solve Partial security sex chromosome mosaicism, because apparatus installation is inner at drilling rod, instrument diameters is little, and logging data quality is greatly affected, and can only complete survey measurement.Cannot monitor in whole work progress Instrumental duty.
Summary of the invention
the utility model provides a kind of real time monitoring apparatus for the protection of downhole logging instrument, overcomes the deficiency of above-mentioned prior art, and it effectively can solve existing logging equipment and easily to have an accident and can not the problem of Real-Time Monitoring.
the technical solution of the utility model is realized by following measures: a kind of real time monitoring apparatus for the protection of downhole logging instrument, comprises data processing equipment, receiver panel, electromagnetic signal receiving system, driller's display, Industrial Personal Computer (IPC), drilling rod, transition pipe nipple, insulating short section, the first battery short section, downhole sensor, emitter pipe nipple, attitude retainer pipe nipple and the second battery short section, downhole sensor comprises four parameter pipe nipple and Telescopic short pieces, drilling rod, transition pipe nipple, insulating short section, first battery short section, four parameter pipe nipples, emitter pipe nipple, attitude retainer pipe nipple and Telescopic short piece are sequentially fixedly installed togather from top to bottom, emitter main control unit is provided with in emitter pipe nipple, the signal output part of four parameter pipe nipples and Telescopic short piece is electrically connected with the signal input part of emitter main control unit respectively, and data processing equipment comprises data processing panel, hook load sensor and drawworks sensor, the signal output part of hook load sensor and drawworks sensor is electrically connected with two signal input parts of data processing panel respectively, two electromagnetic signal inputs of receiver panel are electrically connected with electromagnetic signal receiving system respectively, are provided with analog detection module in receiver panel, amplification filtering module, data acquisition module and RS-485 bus hub, analog detection module, amplification filtering module, data acquisition module, Industrial Personal Computer (IPC) first signal input part, Industrial Personal Computer (IPC) first signal output part, RS-485 bus hub and driller's display are sequentially electrically connected, data processing panel, RS-485 bus hub and Industrial Personal Computer (IPC) secondary signal input are sequentially electrically connected.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned downhole sensor also can comprise density pipe nipple, gamma connects oblique pipe nipple, Magnetic isolation pipe nipple, side direction pipe nipple and four arm hole diameter pipe nipples, 2 four meters of hard electrodes are sequentially installed with from top to bottom between emitter pipe nipple and attitude retainer pipe nipple, a side direction three meters of hard electrodes, a side direction four meters of hard electrodes, flexible pup joint and rotating short-knot, density pipe nipple is sequentially installed with from top to bottom between attitude retainer pipe nipple and the second battery short section, rotating short-knot, flexible pup joint and 2 side direction, four meters of hard electrodes, sequentially insulating short section is installed with from top to bottom between the second battery short section and Telescopic short piece, gamma connects oblique pipe nipple, Magnetic isolation pipe nipple, side direction pipe nipple, side direction adds long electrode steel cylinder, insulating short section and four arm hole diameter pipe nipples.
above-mentioned electromagnetic signal receiving system can comprise ground lance, cable, wellhead casing pipe and chain wrench energetically; Ground lance is positioned at 80 meters to 100 meters outside drilling rod, ground lance is electrically connected by the first signal input part of cable and receiver panel, wellhead casing pipe is connected with wire by chain wrench energetically, and the other end of wire and the secondary signal input of receiver panel are electrically connected.
the above-mentioned real time monitoring apparatus be somebody's turn to do for the protection of downhole logging instrument also can comprise sensor junction box; hook load sensor and drawworks sensor are electrically connected respectively by the hook load sensor signal input part of wire and sensor junction box and drawworks sensor signal input part, and the hook load sensor signal output part of sensor junction box and drawworks sensor signal output part are electrically connected with two signal input parts of data processing panel respectively by wire.
the aobvious power supply of department can be provided with in above-mentioned receiver panel; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.
the utility model reasonable and compact in structure, easy to use, can be hampered to the downhole logging instruments in well logging or meet the accidents such as card and carry out early warning, reduce the generation of downhole logging instrument accident, ensure that carrying out smoothly of logging operation, simultaneously, in the process of carrying out logging operation, without the need to logging cable, utilize electromagnetic signal receiving system that the construction in well logging and the security-related parameter of instrument are real-time transmitted to ground, can whole process measure, for subsequent well operation provides important technical data.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment the first half.
accompanying drawing 2 is the main TV structure schematic diagram of the utility model most preferred embodiment the latter half.
accompanying drawing 3 is the control principle general diagram of the utility model most preferred embodiment.
accompanying drawing 4 is the control principle partial block diagram of the utility model most preferred embodiment.
accompanying drawing 5 is the electromagnetic signal receiving system of the utility model most preferred embodiment and the schematic diagram of receiver panel.
accompanying drawing 6 is the logic diagram of the using method of the utility model most preferred embodiment.
coding in accompanying drawing is respectively: 1 is drilling rod, 2 is transition pipe nipple, 3 is insulating short section, 4 is the first battery short section, 5 is emitter pipe nipple, 6 is attitude retainer pipe nipple, 7 is the second battery short section, 8 is four parameter pipe nipples, 9 is Telescopic short piece, 10 is density pipe nipple, 11 connect oblique pipe nipple for gamma, 12 is Magnetic isolation pipe nipple, 13 is wellhead casing pipe, 14 is four arm hole diameter pipe nipples, 15 is four meters of hard electrodes, 16 is side direction three meters of hard electrodes, 17 is side direction four meters of hard electrodes, 18 is flexible pup joint, 19 is rotating short-knot, 20 is side direction pipe nipple, 21 add long electrode steel cylinder for side direction, 22 is ground lance, 23 is cable.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts of embodiment is all be described according to the Butut mode of Figure of description, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1 to 5, data processing equipment, receiver panel, electromagnetic signal receiving system, driller's display, Industrial Personal Computer (IPC), drilling rod 1, transition pipe nipple 2, insulating short section 3, first battery short section 4, downhole sensor, emitter pipe nipple 5, attitude retainer pipe nipple 6 and the second battery short section 7 should be comprised for the protection of the real time monitoring apparatus of downhole logging instrument, downhole sensor comprises four parameter pipe nipples 8 and Telescopic short piece 9, drilling rod 1, transition pipe nipple 2, insulating short section 3, first battery short section 4, four parameter pipe nipples 8, emitter pipe nipple 5, attitude retainer pipe nipple 6 and Telescopic short piece 9 are sequentially fixedly installed togather from top to bottom, emitter main control unit is provided with in emitter pipe nipple 5, the signal output part of four parameter pipe nipples 8 and Telescopic short piece 9 is electrically connected with the signal input part of emitter main control unit respectively, and data processing equipment comprises data processing panel, hook load sensor and drawworks sensor, the signal output part of hook load sensor and drawworks sensor is electrically connected with two signal input parts of data processing panel respectively, two electromagnetic signal inputs of receiver panel are electrically connected with electromagnetic signal receiving system respectively, are provided with analog detection module in receiver panel, amplification filtering module, data acquisition module and RS-485 bus hub, analog detection module, amplification filtering module, data acquisition module, Industrial Personal Computer (IPC) first signal input part, Industrial Personal Computer (IPC) first signal output part, RS-485 bus hub and driller's display are sequentially electrically connected, data processing panel, RS-485 bus hub and Industrial Personal Computer (IPC) secondary signal input are sequentially electrically connected.In horizontal wellbore logging operation process, the setting of Telescopic short piece 9 and four parameter pipe nipples 8 can carry out real-time early warning to any potential safety hazard that can cause and downhole logging instrument duty, the situation that namely can be hampered or meet card to downhole logging instrument carries out early warning, and early warning signal is sent to emitter main control unit, receiver panel is launched the electromagnetic signal of coming up to down-hole and is received, by the amplification to these signals, filtering and demodulating and decoding, then in Industrial Personal Computer (IPC), date restoring is carried out, finally be presented on driller's display (department is aobvious), unfreezing or unblocking is carried out by taking corresponding measure, reduce the generation of downhole logging instrument accident, ensure that carrying out smoothly of logging operation, in addition, in the process of carrying out logging operation, without the need to logging cable, utilize electromagnetic signal receiving system that the construction in well logging and the security-related parameter of instrument are real-time transmitted to ground, can whole process measure, for subsequent well operation provides important technical data.Telescopic short piece 9 can be measured the buffer status of the real time monitoring apparatus for the protection of downhole logging instrument in decentralization process and instrument and to be hampered state; Four parameter pipe nipples 8 can in the measurement completing completed well temperature, mud resistivity and head of liquid while downhole instrument force-bearing situation is measured; Transition pipe nipple 2 is as the upper antenna of emitter.Emitter main control unit, receiver panel, data processing panel and Industrial Personal Computer (IPC) all adopt existing known technology.Such as emitter main control unit adopts EML-1040, receiver panel to adopt EML-1520, data processing panel to adopt EML-1510, Industrial Personal Computer (IPC) to adopt and grinds auspicious IPC-8206.Driller's display is existing known technology.
according to actual needs, the above-mentioned real time monitoring apparatus for the protection of downhole logging instrument can be made further optimization and/or improvements:
as shown in accompanying drawing 1 to 5, downhole sensor also comprises density pipe nipple 10, gamma connects oblique pipe nipple 11, Magnetic isolation pipe nipple 12, side direction pipe nipple 20 and four arm hole diameter pipe nipples 14, 2 four meters of hard electrodes 15 are sequentially installed with from top to bottom between emitter pipe nipple 5 and attitude retainer pipe nipple 6, a side direction three meters of hard electrodes 16, a side direction four meters of hard electrodes 17, flexible pup joint 18 and rotating short-knot 19, density pipe nipple 10 is sequentially installed with from top to bottom between attitude retainer pipe nipple 6 and the second battery short section 7, rotating short-knot 19, flexible pup joint 18 and 2 side direction, four meters of hard electrodes 17, insulating short section 3 is sequentially installed with from top to bottom between the second battery short section 7 and Telescopic short piece 9, gamma connects oblique pipe nipple 11, Magnetic isolation pipe nipple 12, side direction pipe nipple 20, side direction adds long electrode steel cylinder 21, insulating short section 3 and four arm hole diameter pipe nipples 14.Density pipe nipple 10 can metrophia compensation density; Gamma connects the measurement that oblique pipe nipple 11 can be used in natural gamma and direction of deflection; Side direction pipe nipple 20 can be used in the measurement of dark, shallow formation resistivity; Four arm hole diameter pipe nipples 14 can self adaptation borehole size and complete the independent caliper logging of the four directions such as X, Y together with Telescopic short piece 9.
as shown in accompanying drawing 1 to 5, electromagnetic signal receiving system comprises ground lance 22, cable 23, wellhead casing pipe 13 and chain wrench energetically; Ground lance 22 is positioned at 80 meters to 100 meters outside drilling rod 1, ground lance 22 is electrically connected by first signal input part of cable 23 with receiver panel, wellhead casing pipe 13 is connected with wire by chain wrench energetically, and the other end of wire and the secondary signal input of receiver panel are electrically connected.Ground lance 22 is arranged on distance 1 to 80 meter, drilling rod has signal to noise ratio the best feature to 100 meters of.
as shown in accompanying drawing 1 to 5; sensor junction box should be also comprised for the protection of the real time monitoring apparatus of downhole logging instrument; hook load sensor and drawworks sensor are electrically connected respectively by the hook load sensor signal input part of wire and sensor junction box and drawworks sensor signal input part, and the hook load sensor signal output part of sensor junction box and drawworks sensor signal output part are electrically connected with two signal input parts of data processing panel respectively by wire.Can improve accept quality and security performance by arranging sensor junction box.
as shown in accompanying drawing 1 to 5, in receiver panel, be provided with the aobvious power supply of department; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.The aobvious power supply of department is for providing the department of power supply to show power supply for driller's display.The setting of alarm lamp can play alarm function in the mode of light, and the setting of alarming horn audibly can play alarm function.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
the use procedure of the utility model most preferred embodiment is carried out in the steps below: as shown in Figure 6, first, arrange in Industrial Personal Computer (IPC) instrument be hampered card time Telescopic short piece alert data and pressure alarm data, when drilling tool transfer or on carry time, survey data is sent to emitter main control unit by each downhole sensor, hook load sensor and drawworks sensor transmit signals to data processing panel, data processing panel transmits signals to Industrial Personal Computer (IPC) and completes real-time deep and measure and show, after emitter main control unit receives the survey data of each downhole sensor transmission, carry out packing to survey data to store, a pressure measurement data for Telescopic short piece survey data and four parameter pipe nipples is sent to electromagnetic signal receiving system with electromagnetic wave by emitter main control unit simultaneously, a pressure measurement data for Telescopic short piece survey data and four parameter pipe nipples is sent to receiver panel by electromagnetic signal receiving system, a pressure measurement data for Telescopic short piece survey data and four parameter pipe nipples is sent to Industrial Personal Computer (IPC) and judges by receiver panel, when Telescopic short piece survey data is less than Telescopic short piece alert data, or, when the pressure measurement data of four parameter pipe nipples is less than pressure alarm data, drilling tool continue to transfer or on carried well logging, when Telescopic short piece survey data is greater than Telescopic short piece alert data, or, when the pressure measurement data of four parameter pipe nipples is greater than pressure alarm data, then that instrument is hampered or meets card, driller's display sends alarm signal and is presented on driller's display, to adopt right measures unfreezing or unblocking after driller stops boring, after driller adopts right measures unfreezing or unblocking, when Telescopic short piece survey data is still greater than Telescopic short piece alert data, or, when the pressure measurement data of four parameter pipe nipples is still greater than pressure alarm data, stop transfer or on carry, and stop well logging, after driller adopts right measures unfreezing or unblocking, Telescopic short piece survey data is less than Telescopic short piece alert data, or, when a pressure measurement data for four parameter pipe nipples is less than a pressure alarm data, then complete well logging.Can be hampered to the downhole logging instruments in well logging for the protection of the using method of the real time monitoring apparatus of downhole logging instrument or meet the accidents such as card according to embodiment 2 and carry out early warning, for logging operation carry out smoothly provide solid foundation.In figure 6, M1 represents Telescopic short piece alert data, and N1 represents a pressure alarm data, and m represents Telescopic short piece survey data, and n represents a pressure measurement data of four parameter pipe nipples.
Claims (9)
1., for the protection of a real time monitoring apparatus for downhole logging instrument, it is characterized in that comprising data processing equipment, receiver panel, electromagnetic signal receiving system, driller's display, Industrial Personal Computer (IPC), drilling rod, transition pipe nipple, insulating short section, the first battery short section, downhole sensor, emitter pipe nipple, attitude retainer pipe nipple and the second battery short section, downhole sensor comprises four parameter pipe nipple and Telescopic short pieces, drilling rod, transition pipe nipple, insulating short section, first battery short section, four parameter pipe nipples, emitter pipe nipple, attitude retainer pipe nipple and Telescopic short piece are sequentially fixedly installed togather from top to bottom, emitter main control unit is provided with in emitter pipe nipple, the signal output part of four parameter pipe nipples and Telescopic short piece is electrically connected with the signal input part of emitter main control unit respectively, and data processing equipment comprises data processing panel, hook load sensor and drawworks sensor, the signal output part of hook load sensor and drawworks sensor is electrically connected with two signal input parts of data processing panel respectively, two electromagnetic signal inputs of receiver panel are electrically connected with electromagnetic signal receiving system respectively, are provided with analog detection module in receiver panel, amplification filtering module, data acquisition module and RS-485 bus hub, analog detection module, amplification filtering module, data acquisition module, Industrial Personal Computer (IPC) first signal input part, Industrial Personal Computer (IPC) first signal output part, RS-485 bus hub and driller's display are sequentially electrically connected, data processing panel, RS-485 bus hub and Industrial Personal Computer (IPC) secondary signal input are sequentially electrically connected.
2. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 1, is characterized in that downhole sensor also comprises density pipe nipple, gamma connects oblique pipe nipple, Magnetic isolation pipe nipple, side direction pipe nipple and four arm hole diameter pipe nipples, 2 four meters of hard electrodes are sequentially installed with from top to bottom between emitter pipe nipple and attitude retainer pipe nipple, a side direction three meters of hard electrodes, a side direction four meters of hard electrodes, flexible pup joint and rotating short-knot, density pipe nipple is sequentially installed with from top to bottom between attitude retainer pipe nipple and the second battery short section, rotating short-knot, flexible pup joint and 2 side direction, four meters of hard electrodes, sequentially insulating short section is installed with from top to bottom between the second battery short section and Telescopic short piece, gamma connects oblique pipe nipple, Magnetic isolation pipe nipple, side direction pipe nipple, side direction adds long electrode steel cylinder, insulating short section and four arm hole diameter pipe nipples.
3. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 1 and 2, is characterized in that electromagnetic signal receiving system comprises ground lance, cable, wellhead casing pipe and chain wrench energetically; Ground lance is positioned at 80 meters to 100 meters outside drilling rod, ground lance is electrically connected by the first signal input part of cable and receiver panel, wellhead casing pipe is connected with wire by chain wrench energetically, and the other end of wire and the secondary signal input of receiver panel are electrically connected.
4. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 1 and 2; characterized by further comprising sensor junction box; hook load sensor and drawworks sensor are electrically connected respectively by the hook load sensor signal input part of wire and sensor junction box and drawworks sensor signal input part, and the hook load sensor signal output part of sensor junction box and drawworks sensor signal output part are electrically connected with two signal input parts of data processing panel respectively by wire.
5. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 3; characterized by further comprising sensor junction box; hook load sensor and drawworks sensor are electrically connected respectively by the hook load sensor signal input part of wire and sensor junction box and drawworks sensor signal input part, and the hook load sensor signal output part of sensor junction box and drawworks sensor signal output part are electrically connected with two signal input parts of data processing panel respectively by wire.
6. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 1 and 2, is characterized in that being provided with the aobvious power supply of department in receiver panel; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.
7. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 3, is characterized in that being provided with the aobvious power supply of department in receiver panel; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.
8. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 4, is characterized in that being provided with the aobvious power supply of department in receiver panel; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.
9. the real time monitoring apparatus for the protection of downhole logging instrument according to claim 5, is characterized in that being provided with the aobvious power supply of department in receiver panel; Or/and be provided with alarm lamp and alarming horn in driller's display, the signal input part of alarm lamp and alarming horn is electrically connected with two signal output parts of RS-485 bus hub respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461827.8U CN204098896U (en) | 2014-08-15 | 2014-08-15 | For the protection of the real time monitoring apparatus of downhole logging instrument |
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| CN201420461827.8U CN204098896U (en) | 2014-08-15 | 2014-08-15 | For the protection of the real time monitoring apparatus of downhole logging instrument |
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| CN204098896U true CN204098896U (en) | 2015-01-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213900A (en) * | 2014-08-15 | 2014-12-17 | 中国石油集团西部钻探工程有限公司 | Real-time monitoring device for protecting underground well logging instrument and using method of real-time monitoring device |
| CN111628232A (en) * | 2020-04-24 | 2020-09-04 | 中国石油天然气集团有限公司 | Storage type logging double-battery management system and control method thereof |
| CN113027437A (en) * | 2021-04-01 | 2021-06-25 | 徐州瑞拓勘探技术开发有限公司 | Method and device for realizing resistivity measurement based on logging while drilling instrument |
-
2014
- 2014-08-15 CN CN201420461827.8U patent/CN204098896U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213900A (en) * | 2014-08-15 | 2014-12-17 | 中国石油集团西部钻探工程有限公司 | Real-time monitoring device for protecting underground well logging instrument and using method of real-time monitoring device |
| CN111628232A (en) * | 2020-04-24 | 2020-09-04 | 中国石油天然气集团有限公司 | Storage type logging double-battery management system and control method thereof |
| CN111628232B (en) * | 2020-04-24 | 2022-02-01 | 中国石油天然气集团有限公司 | Storage type logging double-battery management system and control method thereof |
| CN113027437A (en) * | 2021-04-01 | 2021-06-25 | 徐州瑞拓勘探技术开发有限公司 | Method and device for realizing resistivity measurement based on logging while drilling instrument |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20190822 Address after: 100120 Liupu Kang, Xicheng District, Beijing Co-patentee after: China National Petroleum Group Logging Co., Ltd. Patentee after: China Petroleum and Natural Gas Group Co., Ltd. Address before: 834000 Yujiannan Road 217 Logging Company, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Company Limited |
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| TR01 | Transfer of patent right |