CN101799558A - Electromagnetic surveying system while drilling of adjacent-well parallel intervals - Google Patents
Electromagnetic surveying system while drilling of adjacent-well parallel intervals Download PDFInfo
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- CN101799558A CN101799558A CN 201010127557 CN201010127557A CN101799558A CN 101799558 A CN101799558 A CN 101799558A CN 201010127557 CN201010127557 CN 201010127557 CN 201010127557 A CN201010127557 A CN 201010127557A CN 101799558 A CN101799558 A CN 101799558A
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Abstract
The invention discloses an electromagnetic surveying system while drilling of adjacent-well parallel intervals, which is capable of providing accurate guiding measurement and calculation for well path control of wells with complicated structures such as double-horizontal wells, directional wells, interspaced wells and the like. The system mainly comprises a magnetic short section, an underground double-magnetic sensor survey meter, a computing system for the adjacent-well parallel intervals, a ground display system and the like. In the invention, the underground double-magnetic sensor survey meter comprises two high-precision alternating magnetic field sensors, can detect two groups of rotating magnetic field signals, and can accurately detect the adjacent-well parallel intervals by a certain drilling footage without a drill bit, thereby being capable of fishing surveying within shorter time; and a data analysis and calculation procedure can be put in the well, and sends few calculated data to the ground, thereby saving the data transmission time. The invention has convenient use, provides an efficient innovative and high technology for the surveying while drilling and the control of the adjacent-well parallel intervals.
Description
Technical field
The present invention relates to a kind of electromagnetic surveying system while drilling of adjacent-well parallel intervals, belong to subterranean resource drilling field of engineering technology.
Background technology
In oil, rock gas and coal-bed gas exploitation, complex structural wells such as two horizontal wells, orientation well and interspaced well require the offset well distance is carried out surveying with boring accurately.At present, the domestic measurement while drilling instrument that generally uses can not directly be measured the offset well distance, thereby is difficult to satisfy the specific (special) requirements that complex structural well offset well distance is surveyed with probing.In addition, though abroad developed can satisfy substantially above require with boring the electromagnetic guide system, its core technology is still maintained secrecy and is monopolized.Therefore, the special research and design of present inventor " a kind of electromagnetic surveying system while drilling of adjacent-well parallel intervals ", the present invention need not drill bit has certain drilling depth just can accurately survey the calculating adjacent-well parallel intervals, so can finish measurement in the short period of time; And the data analysis calculation procedure can be put into the down-hole, only will calculate afterwards that low volume data sends to ground, saved the data transmitting time.
Summary of the invention
Technical problem underlying of the present invention provides a kind of electromagnetic surveying system while drilling of adjacent-well parallel intervals, and it can provide a kind of effective detection and control device for two horizontal wells, orientation well and interspaced well etc.
In order to survey the spacing and the relative orientation of offset well parallel-segment with probing, the invention provides a kind of electromagnetic surveying system while drilling, it is characterized in that: mainly comprise a magnetic short section, the two Magnetic Sensor measuring instrument in down-hole, adjacent-well parallel intervals computing system and a ground display system, wherein:
(present inventor has applied for relevant patent to described magnetic short section, application number: 2009102100770), the two ends of being made up of non-magnetic drill collar and some permanent magnets etc. have the hollow circular cylinder of the API standard shape of the mouth as one speaks, and it mainly acts on is to produce rotating magnetic field, is the signal source of this electromagnetic survey system.In use, magnetic short section is directly followed in the drill bit back.
The two Magnetic Sensor measuring instruments in described down-hole mainly are made up of two Magnetic Sensor inserting tubes in down-hole and ground system.The two Magnetic Sensor inserting tubes in down-hole mainly comprise two alternating magnetic field sensors, fluxgate sensor, acceleration transducer and adjacent-well parallel intervals computing system etc., it mainly acts on is the magnetic vector signal that detects magnetic short section, and two groups of magnetic signal data are passed in the microcontroller, through the adjacent-well parallel intervals computing system, offset well parallel-segment relative position information is converted into slip-stick artist's readable data.Then, computational data is sent to ground system.
Described adjacent-well parallel intervals computing system (its algorithm is done patented claim in addition), this algorithm is cured in the microcontroller of underground survey instrument, mainly be the magnetic signal data that obtain according to sensor and treatment circuit, calculate the relative position of magnetic short section two Magnetic Sensor measuring instruments, thereby obtain the relative tertiary location of offset well parallel-segment to the down-hole.Then, a small amount of useful data that calculates gained is sent to ground display system, the magnetic signal data that need not to survey all send to ground, thereby have saved the transmitting time of data from the down-hole to ground.
Described ground display system mainly is that the down-hole that will receive sends data, shows the relative tertiary location of offset well parallel-segment with the form of numeral, literal and figure.The drilling engineer can reach figure intuitively according to this this numeral, literal, in conjunction with traditional MWD data, controls the drill bit movement track effectively, creeps into a determining deviation so that accurately control the offset well parallel-segment.
Further, above-mentioned electromagnetic surveying system while drilling of adjacent-well parallel intervals also can have following characteristics: described pair of Magnetic Sensor measuring instrument mainly is made up of two Magnetic Sensor inserting tubes in down-hole and ground system, it is characterized in that: the two Magnetic Sensor inserting tubes in down-hole are metal shells of a closed at both ends, mainly contain modules such as sensor assembly, micro controller module, cable drive module, power module in the housing the inside; Ground system mainly is made of cable drive module, micro controller module, Computer Interface Module, power module etc.
Further, the sensor groups module in the two Magnetic Sensor inserting tubes in described down-hole comprises two three high precision alternating magnetic field sensors, three axis fluxgate sensors, a 3-axis acceleration sensor and a temperature sensor.Its major function be detect the magnetic vector of permanent magnetism pipe nipple, magnetic vector, acceleration of gravity and downhole temperature, for the algorithm in the follow-up microprocessor provides data, and then calculate the related data of adjacent-well parallel intervals.
Further, described two three high precision alternating magnetic field sensors lay respectively at the two ends of the two Magnetic Sensor inserting tubes in down-hole, and are separated by a distance, and this distance is known; Two three high precision alternating magnetic field sensors arranged parallel in two Magnetic Sensor inserting tubes.
Further, described alternating magnetic field sensor is the magnetic vector that is used for detecting the rotary permanent-magnet pipe nipple.Described fluxgate sensor is the magnetic vector that is used for detecting the terrestrial magnetic field.Described gravity acceleration sensor is direction and the size that is used for detecting the acceleration of gravity of two Magnetic Sensor inserting tube positions, down-hole.Described temperature sensor is the downhole temperature that detects two Magnetic Sensor inserting tube positions, down-hole.
Further, micro controller module in the two Magnetic Sensor inserting tubes in described down-hole is made of a slice single-chip microcomputer, adjacent-well parallel intervals computing system and peripheral circuit thereof, the magnetic field, acceleration of gravity and the temperature data that are used for the output of pick-up transducers pack module, and obtain the relative tertiary location data of offset well parallel-segment by being solidificated in adjacent-well parallel intervals computing system in the single-chip microcomputer, then these computational datas are encoded so that send.
Further, described peripheral circuit mainly contains multi-channel analog switch circuit, V-F translation circuit and coding switch circuit.Multi-channel analog switch circuit is made up of 16 path analoging switch chip CD4067, amplifier voltage follower circuit, filtering circuit.The switch input channel is distributed to the output of 3 fluxgate sensor metering circuits, 3 accelerometer measures circuit output, the output of temperature sensor measurement circuit, voltage reference etc.Channel selecting is controlled by the P1 mouth by CPU.The output of CD4067 analog switch connects operational amplifier two-stage voltage follow and rc filter circuit; The V-F translation circuit is core with AD650, and by regulating the peripheral full scale potentiometer of AD650, output frequency is 200K when making full scale 10V input, is convenient to single-chip microcomputer collection and processing; Coding switch circuit is a core with 16 code switchs, 16 is the mode of operation of the two Magnetic Sensor inserting tubes of code switch determining positions, wherein mode 1 is used for communicating by letter of two Magnetic Sensor inserting tubes in down-hole and ground system to mode 8, addition manner 9 in addition, mode A, three kinds of modes of mode B are used for the test and the setting of the two Magnetic Sensor inserting tubes in down-hole.
Further, the cable drive module in the two Magnetic Sensor inserting tubes in described down-hole mainly is made of transformer and driving circuit thereof.Logging cable is connected on the transformer by the four-core socket, and one side provides working power for the two Magnetic Sensor inserting tubes in down-hole, on the other hand the passage that also transmits as signal.
Further, the power module in the two Magnetic Sensor inserting tubes in described down-hole mainly is made of rectification circuit, mu balanced circuit.
Further, to provide 12V and 5V voltage respectively by LM7812 and LM7805 be two each circuit modules of Magnetic Sensor inserting tube in down-hole and sensor power supply to described mu balanced circuit.
Further, all the sensors and circuit module in the two Magnetic Sensor inserting tubes in described down-hole all are fixed on the metallic framework, with plastic packaging glue all the sensors and circuit are carried out plastic packaging, and are fixed on the cylinder blanket the inside.Two Magnetic Sensor inserting tubes send signal earthward and accept ac power supply by the four-core socket.
Further, the cable drive module in the two Magnetic Sensor inserting tubes in the cable drive module in the described ground system and down-hole is identical.
Further, micro controller module in the described ground system mainly is made up of MD87C52,54HC373, MD27C128, AT24C16, and its major function is the Computer Interface Module that sends to behind signal decoding that cable is sent and the recompile in the ground system.
Further, the Computer Interface Module in the described ground system mainly is made of the RS-232 translation circuit, and its acp chip is MAX232.Its major function is that the data that micro controller module sends are carried out level translation, to be connected to computer by serial.
Further, the power module in the described ground system mainly is made of power transformer, current rectifying and wave filtering circuit, mu balanced circuit.
Further, power transformer uses 220V to change the AC power frequency transformer of 46V/12V, 100W.
Further, mu balanced circuit is made of LM7805 and high capacity filter capacitor.
This invention is simple in structure, and is easy to use, and need not drill bit has certain drilling depth just can accurately survey the calculating adjacent-well parallel intervals, therefore can finish measurement in the short period of time; And the data analysis calculation procedure can be cured in the two Magnetic Sensor inserting tubes in down-hole, only will calculate afterwards that low volume data sends to ground, saved the data transmitting time.This invention provides precision measure for adjacent-well parallel intervals control, has more high-precision guide effect than the measurement while drilling instrument (MWD) of present common use.
Description of drawings
Fig. 1 is the electromagnetic surveying system while drilling of adjacent-well parallel intervals of the present invention synoptic diagram of working in two horizontal wells.
Fig. 2 is that the two Magnetic Sensor inserting tube internal sensor axis directions in down-hole are arranged synoptic diagram.
Fig. 3 is the two Magnetic Sensor inserting tube functional block diagram in down-hole.
Fig. 4 is the electromagnetic surveying system while drilling of adjacent-well parallel intervals of the present invention synoptic diagram of working in orientation well.
Among the figure:
1 positive drilling well 2 is drilling well 3 boring towers 4 cables 5 drill bits
Two Magnetic Sensor inserting tube 8 uphole equipments 61 magnetic lines of force in 6 magnetic short sections, 7 down-holes
72 3 high precision alternating magnetic fields of 71 3 high precision alternating magnetic field sensors sensor
74 3 high precision fluxgate sensors of 73 3 acceleration of gravity sensors
Embodiment
The present invention will be described below in conjunction with drawings and Examples.
As shown in Figure 1, the hardware of electromagnetic surveying system while drilling of adjacent-well parallel intervals mainly is made up of magnetic short section, the two Magnetic Sensor inserting tubes in down-hole, uphole equipment etc.Magnetic short section and drill bit are installed together, along with drill bit is lowered in the positive drilling well.Magnetic short section is the part of drilling rod, also be the signal source of electromagnetic surveying system while drilling of adjacent-well parallel intervals simultaneously, magnetic short section is installed on the nearest drill collar apart from drill bit usually at work, and in drilling process, thinking that the position of magnetic short section can be similar to is exactly the position of drill bit.The two Magnetic Sensor inserting tubes in down-hole with wire cable by drilling rod or crawl device by down in pre-drilled horizontal well, the approximate magnetic short section in last upright drilling well of the mid point of two Magnetic Sensor inserting tubes.The part that the two Magnetic Sensor inserting tubes in down-hole are the two Magnetic Sensor measuring instruments in down-hole, the main effect of the two Magnetic Sensor measuring instruments in down-hole is the magnetic vector signals that detect magnetic short section, and two groups of magnetic signal data are passed in the microprocessor, through the adjacent-well parallel intervals computing system, obtain the relative tertiary location of offset well parallel-segment, then, computational data is sent to ground display system.Uphole equipment is the hardware and software platform that the long-range transmit modulator of terrestrial interface case, signal of the two Magnetic Sensor measuring instruments of computing machine, down-hole of described ground display system and winch etc. are formed, be placed on ground, its major function is to accept the numerical information that two Magnetic Sensor inserting tubes transmit up, and by the form of numeral, literal and figure the numerical information that receives is reduced into the information that the drilling engineer can discern.
Magnetic short section is made up of with snap ring non-magnetic drill collar, alnico magnets and hole, and the present inventor has applied for relevant patent (application number: 2009102100770), do not repeat them here.
The two Magnetic Sensor inserting tubes in down-hole mainly are made up of sensor groups and adjacent-well parallel intervals computing system etc.The sensor groups of the two Magnetic Sensor inserting tubes in down-hole comprises two three high precision alternating magnetic field sensors, three axis fluxgate sensors, three high-precision gravity acceleration transducers and a temperature sensor.One of them alternating magnetic field sensor, fluxgate sensor, acceleration of gravity sensor and temperature sensor are installed in two Magnetic Sensor inserting tube bottoms, another alternating magnetic field sensor is installed in two Magnetic Sensor inserting tube tops, and the spacing of two alternating magnetic field sensors is known.Two alternating magnetic field sensors, fluxgate and acceleration transducer are three-axis sensor, and its axis direction is arranged as shown in Figure 2, the Z axle of four sensors and two Magnetic Sensor inserting tube deads in line, and X-axis and Y-axis are perpendicular to two Magnetic Sensor inserting tube axis; The X-axis of four sensors is positioned on the same plane, and is parallel to each other, and the situation of Y-axis is identical therewith.
The functional module of the two Magnetic Sensor inserting tubes in down-hole as shown in Figure 3.Provide power supply by exciting circuit for each sensor, amplifier, the mark that each sensor arrives outputs to multi-channel transmission channel and analog-to-digital conversion circuit through multistage amplification, and detected analog signal conversion is become digital signal.Then, digital signal is passed in the microprocessor, obtain the data such as relative tertiary location numeral, position angle and hole drift angle of offset well parallel-segment through adjacent-well parallel intervals computing system and other algorithm, microprocessor sends to the cable drive circuit with these data, by logging cable data is sent to the terrestrial interface case.
The terrestrial interface case links to each other with logging cable, with the data conversion of transmitting on the cable be computing machine can recognition data after, data are sent to ground display system, ground display system, after data are further handled, integrate, by suitable algorithm, with data with numeral, literal and intuitively form such as figure be shown to the drilling engineer.
As shown in Figure 4, be the work synoptic diagram of electromagnetic surveying system while drilling of adjacent-well parallel intervals in orientation well, its principle of work is with similar in the principle of work of two horizontal wells.
The position that general measurement while-drilling instrument sensor is installed apart from drill bit at a distance, its detected hole trajectory data can not reflect the exact position of drill bit in real time, is difficult to reach the observing and controlling effect of expection in two horizontal wells, orientation well and interspaced well etc.Among the present invention, magnetic short section is installed in the position nearest apart from drill bit, and the position of the detected magnetic short section of two Magnetic Sensor inserting tubes is exactly the position of drill bit, so as long as accurately control the position of magnetic short section, just can control the locus of drill bit.Proposition of the present invention, need not drill bit has certain drilling depth just can accurately survey the calculating adjacent-well parallel intervals, therefore can finish measurement in the short period of time; And signal analysis and adjacent and parallel distance calculation procedure can be put into the down-hole, and low volume data sends to ground after only will calculating, has saved the data transmitting time.The present invention provides a kind of guiding accuracy height, measurement while drilling instrument simple in structure, easy to use for the control of the spacing of offset well parallel-segment.
Claims (10)
1. an electromagnetic surveying system while drilling of adjacent-well parallel intervals is characterized in that, this system mainly is made up of magnetic short section, the two Magnetic Sensor measuring instruments in down-hole, adjacent-well parallel intervals computing system and ground display system etc.
2. the two Magnetic Sensor measuring instruments in down-hole as claimed in claim 1 is characterized in that, are made up of the two Magnetic Sensor inserting tubes in down-hole, logging cable and terrestrial interface case.
3. the two Magnetic Sensor inserting tubes in down-hole as claimed in claim 2 is characterized in that, by sensor groups, metallic framework, no magnetic metal shell, and circuit form.
4. the two Magnetic Sensor inserting tubes in down-hole as claimed in claim 2, it is characterized in that, in the two Magnetic Sensor inserting tubes in down-hole, a high-precision sensor groups is arranged, constitute by two three alternating magnetic field sensors, three axis fluxgate sensors, three acceleration of gravity sensors and temperature sensor, can detect rotating magnetic field intensity and downhole temperature that gravity field, geomagnetic field intensity, the magnetic short section of two Magnetic Sensor inserting tube positions, down-hole produce.
5. the two Magnetic Sensor inserting tubes in down-hole as claimed in claim 2, its feature are one, sensor be fixed on the metallic framework and no magnetic metal shell in.Three alternating magnetic field sensor, three axis fluxgate sensors, three acceleration of gravity sensors and temperature sensor are installed in two Magnetic Sensor inserting tube bottoms, another three alternating magnetic field sensors are installed in two Magnetic Sensor inserting tube tops, and the spacing of two alternating magnetic field sensors is known.
6. the two Magnetic Sensor inserting tubes in down-hole as claimed in claim 2 is characterized in that, the two Magnetic Sensor inserting tubes in down-hole comprise functional modules such as sensor assembly, micro controller module, cable drive module, power module.
7. the micro controller module in the two Magnetic Sensor inserting tubes in down-hole as claimed in claim 6, it is characterized in that, can utilize detected magnetic field intensity signal,, obtain the relative tertiary location data of offset well parallel-segment by being solidificated in the adjacent-well parallel intervals computing system on the single-chip microcomputer.
8. terrestrial interface case as claimed in claim 2 is characterized in that, can link to each other by the two Magnetic Sensor inserting tubes in logging cable and down-hole, reads the data that sent by two Magnetic Sensor inserting tubes.
9. terrestrial interface case as claimed in claim 2 is characterized in that, the offset well parallel-segment relative tertiary location data of reading send to computing machine by RS-232 interface.
10. ground display system as claimed in claim 1 is characterized in that, can pass through suitable algorithm, with the form of numeral, literal and figure the relative tertiary location of offset well parallel-segment is shown to the drilling engineer.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607392A (en) * | 2012-03-13 | 2012-07-25 | 中天启明石油技术有限公司 | Method and system for measuring inter-well distances and directions |
| CN103334736A (en) * | 2013-07-03 | 2013-10-02 | 中国海洋石油总公司 | Probing pipe capable of measuring while drilling |
| CN103485755A (en) * | 2012-06-13 | 2014-01-01 | 南风化工集团股份有限公司 | Drilling process of anhydrous sodium sulfate mine well |
| CN104343438A (en) * | 2014-09-10 | 2015-02-11 | 北京纳特斯拉科技有限公司 | Rotating magnetic field distance measuring instrument for measuring relative drilling distance and measurement method thereof |
| CN104747170A (en) * | 2015-01-20 | 2015-07-01 | 中天启明石油技术有限公司 | Magnetic positioning method for determining position of target point of drilling well |
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| CN112253095A (en) * | 2020-09-15 | 2021-01-22 | 中石化石油工程技术服务有限公司 | Underground alternating magnetic field positioning device and method |
| CN112922584A (en) * | 2021-01-21 | 2021-06-08 | 中海油田服务股份有限公司 | Adjacent well detection device, method and system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0433110A1 (en) * | 1989-11-15 | 1991-06-19 | Elf Aquitaine Production | Tubing element forming an electromagnetic borehole source |
| CN2900781Y (en) * | 2006-04-13 | 2007-05-16 | 郑州士奇测控技术有限公司 | Electromagnetic wave path type radio measurer while drilling |
| CN201095981Y (en) * | 2007-10-10 | 2008-08-06 | 新疆石油管理局钻井工艺研究院 | Permanent magnetism short joint for well drilling |
| CN101482003A (en) * | 2009-02-09 | 2009-07-15 | 兴和鹏能源技术(北京)有限公司 | Drilling method for steam assisted gravity draining oil well |
| EP2108981A2 (en) * | 1999-01-28 | 2009-10-14 | Halliburton Energy Services, Inc. | Electromagnetic wave resistivity tool having tilted antenna |
| CN101598017A (en) * | 2008-06-04 | 2009-12-09 | 中国石油集团钻井工程技术研究院 | Orientation neutron porosity measurement while drilling device |
-
2010
- 2010-03-19 CN CN2010101275573A patent/CN101799558B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0433110A1 (en) * | 1989-11-15 | 1991-06-19 | Elf Aquitaine Production | Tubing element forming an electromagnetic borehole source |
| EP2108981A2 (en) * | 1999-01-28 | 2009-10-14 | Halliburton Energy Services, Inc. | Electromagnetic wave resistivity tool having tilted antenna |
| CN2900781Y (en) * | 2006-04-13 | 2007-05-16 | 郑州士奇测控技术有限公司 | Electromagnetic wave path type radio measurer while drilling |
| CN201095981Y (en) * | 2007-10-10 | 2008-08-06 | 新疆石油管理局钻井工艺研究院 | Permanent magnetism short joint for well drilling |
| CN101598017A (en) * | 2008-06-04 | 2009-12-09 | 中国石油集团钻井工程技术研究院 | Orientation neutron porosity measurement while drilling device |
| CN101482003A (en) * | 2009-02-09 | 2009-07-15 | 兴和鹏能源技术(北京)有限公司 | Drilling method for steam assisted gravity draining oil well |
Cited By (20)
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|---|---|---|---|---|
| CN102607392A (en) * | 2012-03-13 | 2012-07-25 | 中天启明石油技术有限公司 | Method and system for measuring inter-well distances and directions |
| CN103485755A (en) * | 2012-06-13 | 2014-01-01 | 南风化工集团股份有限公司 | Drilling process of anhydrous sodium sulfate mine well |
| CN103334736A (en) * | 2013-07-03 | 2013-10-02 | 中国海洋石油总公司 | Probing pipe capable of measuring while drilling |
| CN103334736B (en) * | 2013-07-03 | 2016-07-13 | 中国海洋石油总公司 | A kind of measurement while drilling exploring tube |
| CN104343438A (en) * | 2014-09-10 | 2015-02-11 | 北京纳特斯拉科技有限公司 | Rotating magnetic field distance measuring instrument for measuring relative drilling distance and measurement method thereof |
| CN104747170A (en) * | 2015-01-20 | 2015-07-01 | 中天启明石油技术有限公司 | Magnetic positioning method for determining position of target point of drilling well |
| CN104747170B (en) * | 2015-01-20 | 2017-06-20 | 中天启明石油技术有限公司 | A kind of magnetic positioning method for determining positive drilling well point of impact on target position |
| CN105044792A (en) * | 2015-08-25 | 2015-11-11 | 长江大学 | Ground-well time-frequency electromagnetic exploration data acquisition apparatus and method |
| CN105044792B (en) * | 2015-08-25 | 2018-06-19 | 长江大学 | Ground-well time-frequency electromagnetic survey data harvester and method |
| CN113153271A (en) * | 2015-09-24 | 2021-07-23 | 梅林科技公司 | Apparatus for multi-mode steering and homing system |
| CN107109928A (en) * | 2015-09-24 | 2017-08-29 | 梅林科技公司 | Multi-mode steering and homing system, method and apparatus |
| CN108442915A (en) * | 2018-03-29 | 2018-08-24 | 中国石油大学(北京) | Oil well determination of distance method and apparatus |
| CN108442915B (en) * | 2018-03-29 | 2024-01-26 | 中国石油大学(北京) | Method and device for determining oil well distance |
| CN112253095A (en) * | 2020-09-15 | 2021-01-22 | 中石化石油工程技术服务有限公司 | Underground alternating magnetic field positioning device and method |
| CN112253084A (en) * | 2020-09-15 | 2021-01-22 | 中石化石油工程技术服务有限公司 | Underground double-probe magnetic measurement device and method |
| CN112253084B (en) * | 2020-09-15 | 2024-02-27 | 中石化石油工程技术服务有限公司 | Underground double-probe magnetic measurement device and method |
| CN112922584A (en) * | 2021-01-21 | 2021-06-08 | 中海油田服务股份有限公司 | Adjacent well detection device, method and system |
| CN113464050A (en) * | 2021-06-24 | 2021-10-01 | 成都理工大学 | Gas drilling method for smart mine and robot system thereof |
| CN113464050B (en) * | 2021-06-24 | 2023-08-08 | 成都理工大学 | Gas drilling method and robot system for intelligent mine |
| CN113669051A (en) * | 2021-08-30 | 2021-11-19 | 中国地质科学院勘探技术研究所 | Magnetic joint for magnetic positioning, magnetic positioning system and magnetic positioning method |
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