CN102943662A - Salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple - Google Patents
Salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple Download PDFInfo
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- CN102943662A CN102943662A CN2012104499414A CN201210449941A CN102943662A CN 102943662 A CN102943662 A CN 102943662A CN 2012104499414 A CN2012104499414 A CN 2012104499414A CN 201210449941 A CN201210449941 A CN 201210449941A CN 102943662 A CN102943662 A CN 102943662A
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Abstract
The invention provides a salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple, and the resistivity measuring nipple is hung on the lower end of an underground device of a measurement while drilling (MWD) instrument, data transmission is carried out through a mud signal or an electromagnetic wave signal of the MWD, a wellhead is provided with a signal receiver and connected with a ground signal processing system through a data cable; and a circuit and an antenna of the resistivity nipple are integrated inside a resistivity exploring tube, the resistivity exploring tube is provided with a special module circuit for controlling the signal transmission and communication, and the resistivity exploring tube is arranged on the middle side surface part of a resistivity non-magnetic drill collar. The salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple has the advantages that resistivity is measured through an electromagnetic wave way; different depth-sounding resistivity curves can be realized; through the unique design of the measuring nipple, a salvageable function is realized, and the dropping risk of the instrument is minimized; and through the design of a unique resistivity antenna and the design of the resistivity non-magnetic drill collar, tools can be loaded through the cable before the drilling, and well logging can be carried out in the drilling process, so that the operation risk can be reduced, and the operation efficiency can be improved.
Description
Technical field
The present invention relates to a kind of oil drilling industry geological survey pipe nipple, the measurement pipe nipple of especially a kind of measurement while drilling down-hole resistivity.
Background technology
Formation resistivity is the essential important geologic parameter of geologic steering drilling and oil field stratum evaluation at present.The more resistivity measurement mode of domestic application has three kinds of current measurement mode, measurement of inductance mode and electromagnetic wave measurement modes.In the well logging during field, the shortcoming that the current resistor rate is measured is to be difficult to use in poorly conductive or nonconducting drilling fluid, and induction motor is measured also to be in and is eliminated.Measure employing electromagnetic wave working method with boring electromagnetic resistivity, its outstanding advantages is the drilling fluid that is applicable to various conductions and non-conductive type, at home extensive use.Domestic also having carried out a large amount of work with boring electromagnetic resistivity measuring method, instrument and data process field, until also there is not at present corresponding instrument to be generalized to the scene.And all with quasi-instrument a fatal shortcoming is arranged with boring, be exactly do not have the property of salvaging.
Summary of the invention
The object of the invention is to solve the deficiency of existing LWD resistivity log instrument, but and a kind of salvaging type wireless drilling electromagnetic resistivity that provides is measured pipe nipple.Have and can salvage function, can realize again the electromagnetic wave mode resistivity measurement pipe nipple of many depth surveys function simultaneously, it can articulate on the conventional MWD instrument, realizes that drilling well is with the measurement of boring geologic parameter.The difference of it and conventional resistivity measurement instrument is that distinctive design realizes salvaging function, can salvage characteristic and reduce because of bit freezing or drilling tool and bury the loss that well causes.Two groups of antennas of two two receipts, two kinds of frequencies adopt the electromagnetic wave modes to realize many depth surveys.Use this instrument to distinguish timely and effectively formation variation in the drilling process, have directionality, make engineer's judging early, instruct drilling well.
The technical solution adopted in the present invention is: but a kind of salvaging type wireless drilling electromagnetic resistivity is measured pipe nipple, the information processing system that the comprises ground down-hole resistivity measurement pipe nipple two parts of unifying, the MWD instrument that other corollary equipment utilizations articulate connects; Ground information processing system comprises signal demodulation floor treatment case, well depth tracking measurement instrument, terrestrial information process software, dedicated graphics software for drawing, the resistivity measurement pipe nipple comprises resistivity inserting tube, resistivity battery sleeve, special-purpose coupling, resistivity non magnetic drill collar, the resistivity measurement pipe nipple is articulated in the downhole hardware lower end of MWD instrument, mud signal or electromagnetic wave signal by MWD carry out transfer of data, well head is provided with signal receiver, is connected with the ground signal processing system by data cable; Be integrated with circuit and the antenna of resistivity pipe nipple in the resistivity inserting tube, the resistivity inserting tube is furnished with the special module circuit of control signal transmitting-receiving and communication usefulness, and the resistivity inserting tube is placed on sideway stance in the resistivity non magnetic drill collar.
Described resistivity non magnetic drill collar is provided with launch hole and receiver hole.
Described antenna has 2 groups of coils, can provide the phase place of 400kHz and two kinds of frequencies of 2MHz and damping resistance rate to measure.
Advantage of the present invention has: on the basis of common MWD instrument, realized the measurement of electromagnetic wave mode resistivity; Two two receipts of resistivity can provide the phase place of 400kHz and two kinds of frequencies of 2MHz and damping resistance rate to measure, and can realize the resistivity curve of different depth measurements; Measure the distinctive design of pipe nipple, can be the same with common deviational survey inserting tube, have and can salvage function, be down to the instrument well equivalent risk that falls minimum; Distinctive resistivity Antenna Design and the design of resistivity non magnetic drill collar; Can before trip-out, be lowered to instrument by cable, in trip-out process, log well, thereby reduce operating risk and improved operating efficiency.
Description of drawings
Fig. 1 articulates rear measuring system schematic diagram.
Fig. 2 resistivity measurement pipe nipple schematic diagram.
Fig. 3 resistivity antenna function schematic diagram.
Among the figure: 1 is information processing system, and 2 is hoistway, and 3 is the MWD instrument, and 4 are the connection of resistivity measurement pipe nipple; 5 is the resistivity non magnetic drill collar; 6 is receiver hole; 7 is launch hole, and 8 is the resistivity inserting tube; 9 is antenna; 10 is transmitting coil; 11 is receiving coil.
The specific embodiment
Be described in detail the embodiment of patent of the present invention below in conjunction with accompanying drawing.
But a kind of salvaging type wireless drilling electromagnetic resistivity is measured pipe nipple, comprises information processing system 1 and down-hole resistivity measurement pipe nipple 4 two parts on ground, and the MWD instrument 3 that other corollary equipment utilizations articulate connects; Ground information processing system 1 comprises signal demodulation floor treatment case, well depth tracking measurement instrument, terrestrial information process software, dedicated graphics software for drawing, resistivity measurement pipe nipple 4 comprises resistivity inserting tube 8, resistivity battery sleeve, special-purpose coupling, resistivity non magnetic drill collar 5, resistivity measurement pipe nipple 4 is articulated in the downhole hardware lower end of MWD instrument 3, mud signal or electromagnetic wave signal by MWD instrument 3 carry out transfer of data, well head is provided with signal receiver, is connected with ground information processing system 1 by data cable; Be integrated with circuit and the antenna 9 of resistivity pipe nipple in the resistivity inserting tube 8, resistivity inserting tube 8 is furnished with the special module circuit of control signal transmitting-receiving and communication usefulness, and resistivity inserting tube 8 is placed on sideway stance in the resistivity non magnetic drill collar 5.
Described resistivity non magnetic drill collar 5 is provided with launch hole 7 and receiver hole 6.
Described antenna 9 has 2 groups of coils 10 and 11, can provide the phase place of 400kHz and two kinds of frequencies of 2MHz and damping resistance rate to measure.
Such as Fig. 1: resistivity measurement pipe nipple 4 is articulated in the downhole hardware lower end of MWD instrument 3, utilize mud signal or the electromagnetic wave signal transmission means of MWD, the formation resistivity parameter of measuring is transferred to the ground well head, signal receiver by well head receives again, be sent in the ground signal processing system through data cable, the systems soft ware on ground according to the data real-time rendering formation resistivity rate curve of measuring for the engineering staff.
Such as Fig. 2: resistivity inserting tube 8 devices are in the resistivity non magnetic drill collar 5 of the special use of hoistway 2, the antenna 9 that transmits and receives of this resistivity all designs in resistivity inserting tube 8, resistivity inserting tube 8 is furnished with the special module circuit, controlling aerial signal transmitting-receiving and with other the device between communicate by letter.The signal of antenna 9 emissions can be transferred in the stratum through the launch hole 7 of special-purpose non magnetic drill collar, and turns back to from receiver hole 6 on the reception antenna 9 of inserting tube, thereby realizes the test function to formation resistivity.Because antenna 9 and circuit all design in resistivity inserting tube 8, have broken away from resistivity non magnetic drill collar 5, thereby have realized the salvaging property of resistivity inserting tube 8.
Such as Fig. 3: antenna 9 has 2 groups of coils 10 and 11, namely twoly sends out two the receipts, can provide the phase place of 400kHz and two kinds of frequencies of 2MHz and damping resistance rate to measure, and can realize the resistivity curve of different depth measurements.
Claims (3)
1. but a salvaging type wireless drilling electromagnetic resistivity is measured pipe nipple, the information processing system that the comprises ground down-hole resistivity measurement pipe nipple two parts of unifying, and the MWD instrument that other corollary equipment utilizations articulate connects; Ground information processing system comprises signal demodulation floor treatment case, well depth tracking measurement instrument, terrestrial information process software, dedicated graphics software for drawing, the resistivity measurement pipe nipple comprises resistivity inserting tube, resistivity battery sleeve, special-purpose coupling, resistivity non magnetic drill collar, it is characterized in that: the resistivity measurement pipe nipple is articulated in the downhole hardware lower end of MWD instrument, mud signal or electromagnetic wave signal by MWD carry out transfer of data, well head is provided with signal receiver, is connected with the ground signal processing system by data cable; Be integrated with circuit and the antenna of resistivity pipe nipple in the resistivity inserting tube, the resistivity inserting tube is furnished with the special module circuit of control signal transmitting-receiving and communication usefulness, and the resistivity inserting tube is placed on sideway stance in the resistivity non magnetic drill collar.
2. but a kind of salvaging type wireless drilling electromagnetic resistivity according to claim 1 is measured pipe nipple, and it is characterized in that: described resistivity non magnetic drill collar is provided with launch hole and receiver hole.
3. but a kind of salvaging type wireless drilling electromagnetic resistivity according to claim 1 is measured pipe nipple, and it is characterized in that: described antenna has 2 groups of coils, can provide the phase place of 400kHz and two kinds of frequencies of 2MHz and damping resistance rate to measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104499414A CN102943662A (en) | 2012-11-12 | 2012-11-12 | Salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104499414A CN102943662A (en) | 2012-11-12 | 2012-11-12 | Salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple |
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| CN102943662A true CN102943662A (en) | 2013-02-27 |
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| CN2012104499414A Pending CN102943662A (en) | 2012-11-12 | 2012-11-12 | Salvageable wireless while-drilling electromagnetic wave resistivity measuring nipple |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422087A (en) * | 2014-09-15 | 2016-03-23 | 北京环鼎科技有限责任公司 | Multi-frequency electromagnetic wave resistivity measurement system |
| CN106950277A (en) * | 2017-03-29 | 2017-07-14 | 中国海洋石油总公司 | The drilling rod or Magnetic Flux Leakage Equipment for Oil Pipe Testing and detection method of a kind of marine jack rabbit formula |
| CN107387070A (en) * | 2017-07-07 | 2017-11-24 | 中国石油集团渤海钻探工程有限公司 | One kind is with brill well logging resistivity measurement pipe nipple |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
| CN112034257A (en) * | 2020-09-11 | 2020-12-04 | 斯伦贝谢油田技术（山东）有限公司 | Calculation method of downhole resistivity |
| CN112228048A (en) * | 2020-09-29 | 2021-01-15 | 中铁大桥局集团有限公司 | Wireless communication method for drilling while-drilling instrument for bridge pile foundation |
| CN112612063A (en) * | 2020-12-16 | 2021-04-06 | 成都多贝石油工程技术有限公司 | Split type resistivity measurement system |
| CN112627812A (en) * | 2020-11-30 | 2021-04-09 | 中海石油（中国）有限公司天津分公司 | Underground blocking layer short section for measuring lithology and drilling assembly |
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| US4785247A (en) * | 1983-06-27 | 1988-11-15 | Nl Industries, Inc. | Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422087A (en) * | 2014-09-15 | 2016-03-23 | 北京环鼎科技有限责任公司 | Multi-frequency electromagnetic wave resistivity measurement system |
| CN106950277A (en) * | 2017-03-29 | 2017-07-14 | 中国海洋石油总公司 | The drilling rod or Magnetic Flux Leakage Equipment for Oil Pipe Testing and detection method of a kind of marine jack rabbit formula |
| CN107387070A (en) * | 2017-07-07 | 2017-11-24 | 中国石油集团渤海钻探工程有限公司 | One kind is with brill well logging resistivity measurement pipe nipple |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
| CN110265784B (en) * | 2018-03-12 | 2021-02-26 | 中国石油化工股份有限公司 | Antenna device of drilling instrument |
| CN112034257A (en) * | 2020-09-11 | 2020-12-04 | 斯伦贝谢油田技术（山东）有限公司 | Calculation method of downhole resistivity |
| CN112034257B (en) * | 2020-09-11 | 2023-09-29 | 斯伦贝谢油田技术（山东）有限公司 | Underground resistivity calculation method |
| CN112228048A (en) * | 2020-09-29 | 2021-01-15 | 中铁大桥局集团有限公司 | Wireless communication method for drilling while-drilling instrument for bridge pile foundation |
| CN112627812A (en) * | 2020-11-30 | 2021-04-09 | 中海石油（中国）有限公司天津分公司 | Underground blocking layer short section for measuring lithology and drilling assembly |
| CN112612063A (en) * | 2020-12-16 | 2021-04-06 | 成都多贝石油工程技术有限公司 | Split type resistivity measurement system |
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Application publication date: 20130227 |