CN102606145B - Underground coal mine anti-explosion mud-pulse wireless measurement while-drilling system and using method thereof - Google Patents
Underground coal mine anti-explosion mud-pulse wireless measurement while-drilling system and using method thereof Download PDFInfo
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Abstract
The invention relates to a measurement while drilling system, in particular to an underground coal mine anti-explosion mud-pulse wireless measurement while drilling system and a using method of the underground coal mine anti-explosion mud-pulse wireless measurement while drilling system. The underground coal mine anti-explosion mud-pulse wireless measurement while drilling system consists of a hole-in assembly and a hole-opening assembly, wherein the hole-in assembly comprises an anti-explosion exploring tube, an anti-explosion battery cylinder and an anti-explosion pulse generator, and the hole-opening assembly comprises an anti-explosion pressure transmitter and an anti-explosion computer and the like. According to the system, in the underground coal mine drilling construction process, a hole-in instrument is utilized for measuring the hole-in engineering parameters such as track parameters (dip angles and azimuth angles) of a drilling hole, state parameters (tool facing angles) of a directional drilling tool and the like in real time, and then the data is transmitted to a hole-opening instrument through a hydraulic channel in a wireless transmission manner and is processed and displayed by the anti-explosion computer at a hole opening. The system takes the mud as a signal carrier, adopts mud pulses as a data transmission mode, does not need to use a cable, not only can be used for directional drilling, but also can be used for rotary drilling, and has a real-time property and an anti-explosion property.
Description
Technical field
The present invention relates to a kind of measurement-while-drilling system, especially relate to explosion-proof type mud-pulse wireless drilling measuring system and using method thereof under a kind of coal mine.
Background technology
Measurement while drilling is the technology abbreviation of realizing the real-time measurement of down-hole (in the hole) information and upload in drilling well (hole) process.In known technology, the boring drilling measuring technology is familiar with by people already.Measurement-while-drilling system can be divided into wired measurement while drilling and wireless type measurement while drilling by the difference of information transmission medium.Use at present the more oil drilling field that mainly contains and the down hole drill field, colliery of measurement-while-drilling system.Wherein use at most with the wireless drilling measuring system in the oil drilling field, and mainly adopt mud-pulse as signal transmission form, the relevant art comparative maturity; The drilling operation field is then take the wired drilling metering system as main under the coal mine, although start late, in the last few years development is very fast, applies more and more extensive.
Along with the popularization of coal mine underground measurement while drilling technology, defective and the deficiency of prior art come out gradually, and wired drilling measuring system signal long-distance transmission reliability is poor, and transmission range is restricted, in addition to the drilling tools such as drilling rod are had relatively high expectations.Wireless transmission is the good method that overcomes the above problems.But because the measurement-while-drilling system that use in oil drilling field, ground and equipment all are that its aperture is larger for the drilling operation design of surface well, stratum and the environment of construction are better; Comparatively speaking, have under the coal mine of high humility, large dust and gas explosion gas, execution conditions and environment facies are to relatively poor, electric property, explosion-proof performance to instrument require higher, construction technology is larger with probing parameter and oil drilling difference, the measurement-while-drilling system that can not directly oil drilling field, ground be used directly refers to drilling operation under the coal mine, need in conjunction with the characteristics of colliery down hole drill, develop corresponding wireless drilling measuring system.
But under coal mine, drilling measuring technology still is in developing stage, has the use of the wireless drilling measuring system of explosion-resistance characteristic, yet there are no clearly report.
Summary of the invention
The present invention solves the existing technical problem of prior art; Provide a kind of simple and compact for structure, size is less, require less to drilling tools such as drilling rods, be fit to drilling technology under the coal mine, and whole system has adopted Explosion-proof Design, can be under a kind of coal mine of carrying out work under the explosive gas atmosphere under the coal mine explosion-proof type mud-pulse wireless drilling measuring system and using method thereof.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
Explosion-proof type mud-pulse wireless drilling measuring system is characterized in that under a kind of coal mine, comprising:
One hole inner assembly: be used for measuring in real time drilling trajectory parameters and directed drilling tool state parameter;
One aperture assembly: the drilling trajectory parameters of measuring in real time by wireless transmission receiver hole inner assembly and directed drilling tool state parameter also process and display it.
Explosion-proof type mud-pulse wireless drilling measuring system under above-mentioned a kind of coal mine, described hole inner assembly comprises:
Explosion-proof inserting tube: for detection of engineering parameter in the hole, engineering parameter comprises in the described hole: drilling trajectory parameters is that inclination angle and azimuth, directed drilling tool state parameter are that tools for angle, formation parameter are magnetic field intensity and temperature;
Explosion-proof impulse generator: receive in the hole that explosion-proof inserting tube detects after the engineering parameter data, by predefined coding rule, the Data Modulation that receives is become pressure pulse signal, by regulating the flow area of water passage in the drilling rod, regulate the flow resistance of mud in drilling rod, delivery port at slush pump produces corresponding pressure pulse, and simultaneously the pressure pulse signal of modulating is sent to the aperture assembly;
And the anti-explosion battery cylinder that is electrically connected with explosion-proof inserting tube and explosion-proof impulse generator respectively: be described explosion-proof inserting tube and the power supply of explosion-proof impulse generator.
Explosion-proof type mud-pulse wireless drilling measuring system under above-mentioned a kind of coal mine, described aperture assembly comprises:
Explosion-proof pressure transmitter: be arranged on the aperture, receive the mud-pulse wireless signal that explosion-proof impulse generator sends;
Anti-explosion computer: the mud-pulse wireless signal that receives the transmission of explosion-proof pressure transmitter carries out demodulation by predefined coding rule to pressure pulse signal, draws correct drilling track and directed drilling tool status data and demonstrates this correct drilling track and directed drilling tool status data.
Explosion-proof type mud-pulse wireless drilling measuring system under above-mentioned a kind of coal mine, described explosion-proof inserting tube is comprised of acceleration transducer, Magnetic Sensor, cpu controller, data acquisition unit, intrinsic safe power circuit, signal transmission unit, and described intrinsic safe power circuit, data acquisition unit, cpu controller and signal transmission unit connect successively; Described acceleration transducer is connected with data acquisition unit with intrinsic safe power circuit respectively; Described Magnetic Sensor is connected with data acquisition unit with intrinsic safe power circuit respectively, and described intrinsic safe power circuit also is connected with signal transmission unit with cpu controller respectively.
Explosion-proof type mud-pulse wireless drilling measuring system under above-mentioned a kind of coal mine, described explosion-proof consists cpu controller, flow-paths inspection unit, drive circuit, runner control module, signal receiving unit form, and described cpu controller, drive circuit and runner control module connect successively; Described flow-paths inspection unit is connected with cpu controller; Described signal receiving unit is connected with cpu controller.
The using method of explosion-proof type mud-pulse wireless drilling measuring system is characterized in that under a kind of coal mine, may further comprise the steps:
Therefore, the present invention has following advantage: simple and compact for structure, size is less, the drilling tools such as drilling rod is required less, is fit to drilling technology under the coal mine, and whole system adopted Explosion-proof Design, can carry out work under explosive gas atmosphere under the coal mine.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present invention.
Fig. 2 is the structural principle schematic diagram of explosion-proof inserting tube among Fig. 1.
Fig. 3 is the structural principle schematic diagram of explosion-proof impulse generator among Fig. 1.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.Wherein, explosion-proof inserting tube 1, anti-explosion battery cylinder 2, explosion-proof impulse generator 3, explosion-proof pressure transmitter 4, anti-explosion computer 5, acceleration transducer 11, Magnetic Sensor 12, cpu controller 13, data acquisition unit 14, intrinsic safe power circuit 15, signal transmission unit 16, cpu controller 21, flow-paths inspection unit 22, drive circuit 23, runner control module 24, signal receiving unit 25.
Embodiment:
Referring to Fig. 1, the present invention is comprised of explosion-proof inserting tube 1, anti-explosion battery cylinder 2, explosion-proof impulse generator 3, explosion-proof pressure transmitter 4, anti-explosion computer 5, all adopts Explosion-proof Design, can be applicable under the coal mine in the explosive gas atmosphere.After explosion-proof impulse generator 3 detects the turn on pump signal, control explosion-proof inserting tube 1 and gather drilling trajectory parameters (inclination angle, the azimuth) engineering parameter data and in the hole such as directed drilling tool state parameter (tools for angle), explosion-proof impulse generator 3 receives in the hole that explosion-proof inserting tube 1 detects after the engineering parameter data, by predefined coding rule, regulate the flow area of water passage in the drilling rod according to engineering parameter data in the hole, the change of flow area can produce the variation of flow resistance, thereby produce pressure pulse signal at the mud delivery side of pump, the explosion-proof pressure transmitter 4 that is installed in the water outlet of slush pump gathers pressure pulse signal and is delivered to anti-explosion computer 5, by predefined coding rule pressure pulse signal is carried out demodulation by the systems soft ware in the anti-explosion computer 5, draw engineering parameter data in the correct hole, and show by the screen of anti-explosion computer 5.
Referring to Fig. 2, it is shell that explosion-proof inserting tube adopts without magnetic copper or non-magnetic rustproof Steel material, is comprised of acceleration transducer 11, Magnetic Sensor 12, cpu controller 13, data acquisition unit 14, intrinsic safe power circuit 15, signal transmission unit 16.Acceleration transducer 11 can responsive acceleration of gravity signal, Magnetic Sensor 12 is field signal sensitively, can measure gravity acceleration value and the geomagnetic field intensity value of explosion-proof inserting tube present position, thereby calculate engineering parameter data in the holes such as inclination angle, azimuth, tools for angle.Intrinsic safe power circuit 15 guarantees that its power unit has explosion-resistance characteristic under short circuit, open-circuit condition, can not produce spark.The engineering parameter data are delivered to explosion-proof impulse generator in the hole that signal transmission unit 16 is responsible for gathering and finishing dealing with.
Referring to Fig. 3, explosion-proof impulse generator adopts the flame proof design, formed by cpu controller 21, flow-paths inspection unit 22, drive circuit 23, runner control module 24, signal receiving unit 25, by the flow area of water passage in the control drilling rod, thereby engineering parameter data in the hole of detecting are sent.The duty of slush pump is determined in flow-paths inspection unit 22 by mud pressure pulsation situation in the detection drilling rod, drive circuit 23 is responsible for providing enough power supplys to the runner control module, runner control module 24 is responsible for the flow area of water passage in the control drilling rod, thereby the change flow resistance causes the variation of slush pump delivery port pump pressure.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as explosion-proof inserting tube 1, anti-explosion battery cylinder 2, explosion-proof impulse generator 3, explosion-proof pressure transmitter 4, anti-explosion computer 5, acceleration transducer 11, Magnetic Sensor 12, cpu controller 13, data acquisition unit 14, intrinsic safe power circuit 15, signal transmission unit 16, cpu controller 21, flow-paths inspection unit 22, drive circuit 23, runner control module 24, signal receiving unit 25, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (1)
1. explosion-proof type mud-pulse wireless drilling measuring system under the coal mine is characterized in that, comprising:
One hole inner assembly: be used for measuring in real time drilling trajectory parameters and directed drilling tool state parameter;
One aperture assembly: the drilling trajectory parameters of measuring in real time by wireless transmission receiver hole inner assembly and directed drilling tool state parameter also process and display it;
Described hole inner assembly comprises:
Explosion-proof inserting tube (1): for detection of engineering parameter in the hole, engineering parameter comprises in the described hole: drilling trajectory parameters is inclination angle and azimuth, and directed drilling tool state parameter is tools for angle, and formation parameter is magnetic field intensity and temperature;
Explosion-proof impulse generator (3): receive in the hole that explosion-proof inserting tube (1) detects after the engineering parameter data, by predefined coding rule, the Data Modulation that receives is become pressure pulse signal, by regulating the flow area of water passage in the drilling rod, regulate the flow resistance of mud in drilling rod, delivery port at slush pump produces corresponding pressure pulse, and simultaneously the pressure pulse signal of modulating is sent to the aperture assembly;
And the anti-explosion battery cylinder (2) that is electrically connected with explosion-proof inserting tube (1) and explosion-proof impulse generator (3) respectively: be described explosion-proof inserting tube (1) and explosion-proof impulse generator (3) power supply;
Described aperture assembly comprises:
Explosion-proof pressure transmitter (4): be arranged on the aperture, receive the mud-pulse wireless signal that explosion-proof impulse generator (3) sends;
Anti-explosion computer (5): the mud-pulse wireless signal that receives explosion-proof pressure transmitter (4) transmission carries out demodulation by predefined coding rule to pressure pulse signal, draws correct drilling track and directed drilling tool status data and demonstrates this correct drilling track and directed drilling tool status data;
Described explosion-proof inserting tube (1) is comprised of acceleration transducer (11), Magnetic Sensor (12), cpu controller (13), data acquisition unit (14), intrinsic safe power circuit (15), signal transmission unit (16), and described intrinsic safe power circuit (15), data acquisition unit (14), cpu controller (13) and signal transmission unit (16) connect successively; Described acceleration transducer (11) is connected 14 with intrinsic safe power circuit (15) with data acquisition unit respectively) be connected; Described Magnetic Sensor (12) is connected 14 with intrinsic safe power circuit (15) with data acquisition unit respectively) be connected; Described intrinsic safe power circuit (15) also is connected 16 with cpu controller (13) with signal transmission unit respectively) be connected;
Described explosion-proof impulse generator (3) adopts the flame proof design, be comprised of cpu controller (21), flow-paths inspection unit (22), drive circuit (23), runner control module (24), signal receiving unit (25), described cpu controller (21), drive circuit (23) and runner control module (24) connect successively; Described flow-paths inspection unit (22) is connected with cpu controller (21); Described signal receiving unit (25) is connected with cpu controller (21), flow area by water passage in the control drilling rod, thereby engineering parameter data in the hole of detecting are sent, the duty of slush pump is determined in flow-paths inspection unit (22) by mud pressure pulsation situation in the detection drilling rod, drive circuit (23) is responsible for providing enough power supplys to the runner control module, runner control module (24) is responsible for the flow area of water passage in the control drilling rod, thereby the change flow resistance causes the variation of slush pump delivery port pump pressure.
2. the using method of explosion-proof type mud-pulse wireless drilling measuring system under the coal mine claimed in claim 1 is characterized in that, may further comprise the steps:
Step 1, in drilling process, after explosion-proof impulse generator (3) detects slush pump turn on pump signal, control in the hole that explosion-proof inserting tube (1) Real-time Collection comprises drilling trajectory parameters and directed drilling tool state parameter the engineering parameter data and pass to explosion-proof impulse generator (3);
Step 2, explosion-proof impulse generator (3) receives in the hole that detects after the engineering parameter data, by predefined coding rule, the Data Modulation that receives is become pressure pulse signal, by regulating the flow area of water passage in the drilling rod, regulate the flow resistance of mud in drilling rod, produce corresponding pressure pulse at the delivery port of slush pump;
Step 3, the explosion-proof pressure transmitter (4) that is installed in the water outlet of slush pump gathers pressure pulse signal and is delivered to anti-explosion computer (5) by wired mode, the interior systems soft ware of anti-explosion computer (5) carries out demodulation by predefined coding rule to pressure pulse signal, draw correct drilling track and directed drilling tool status data, and show by the screen of anti-explosion computer (5).
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| CN103095381B (en) * | 2013-01-22 | 2015-01-21 | 长沙五维地科勘察技术有限责任公司 | Underground life calling system |
| CN103233722B (en) * | 2013-04-28 | 2015-01-07 | 中煤科工集团西安研究院有限公司 | Coal mine underground explosion proof type electromagnetic wave wireless measurement while drilling system and application method thereof |
| CN103982173B (en) * | 2014-05-28 | 2016-08-24 | 北京合康科技发展有限责任公司 | A kind of coal mine down-hole drilling trajectory measurement system and method |
| CN104790941A (en) * | 2015-04-17 | 2015-07-22 | 成都理工大学 | While-drilling measuring system of hole drilling track for mine |
| CN105113987B (en) * | 2015-07-08 | 2017-11-28 | 中煤科工集团西安研究院有限公司 | Interbedding of soft and hard rocks coal seam concordant measurement while drilling directional drilling equipment and its construction method |
| CN105863616B (en) * | 2016-04-05 | 2018-09-21 | 北京合康科技发展有限责任公司 | A kind of explosion-proof drilling track sound wave measurement-while-drilling system of underground coal mine and method |
| CN105863608A (en) * | 2016-05-16 | 2016-08-17 | 陕西太合科技有限公司 | Mining online measurement while drilling device with specialist diagnosis function |
| CN107676078A (en) * | 2017-11-03 | 2018-02-09 | 中煤科工集团重庆研究院有限公司 | Underground coal mine water pulse wireless measurement-while-drilling system and measuring method |
| CN108540154A (en) * | 2018-04-28 | 2018-09-14 | 中国电子科技集团公司第二十二研究所 | Mine-used I. S signal receiving device |
| CN112253094B (en) * | 2020-11-10 | 2023-12-08 | 北京合康科技发展有限责任公司 | Underground coal mine explosion-proof type drilling track measurement and gas detection system and application method thereof |
| CN112878992A (en) * | 2021-02-01 | 2021-06-01 | 北京合康科技发展有限责任公司 | Drilling operation efficiency evaluation system and method based on data feature recognition |
| CN113406409A (en) * | 2021-05-20 | 2021-09-17 | 成都深地领航能源科技有限公司 | Testing system and method for underground pulse signal generator |
| CN113565438A (en) * | 2021-08-31 | 2021-10-29 | 中煤科工集团重庆研究院有限公司 | Wireless monitoring system and monitoring method for mine drilling track |
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Address after: 710077 Xi'an high tech Zone, Shaanxi Jin Industry Road, No. 82 Patentee after: Xi'an Research Institute, CCTEG Patentee after: Beijing Hekang Science & Technology Development Co., Ltd. Address before: 710077 Xi'an high tech Zone, Shaanxi Jin Industry Road, No. 82 Patentee before: China Coal Technology & Engineering Group Xi'an Research Institute Patentee before: Beijing Hekang Science & Technology Development Co., Ltd. |