CN104763412A - Orientation gamma detecting tube for underground coal-seam-following drilling monitoring of coal mine - Google Patents
Orientation gamma detecting tube for underground coal-seam-following drilling monitoring of coal mine Download PDFInfo
- Publication number
- CN104763412A CN104763412A CN201510079919.9A CN201510079919A CN104763412A CN 104763412 A CN104763412 A CN 104763412A CN 201510079919 A CN201510079919 A CN 201510079919A CN 104763412 A CN104763412 A CN 104763412A
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- China
- Prior art keywords
- framework
- sensor
- circuit
- skeleton
- coal
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses an orientation gamma detecting tube for underground coal-seam-following drilling monitoring of a coal mine. The orientation gamma detecting tube comprises a left end joint, a circuit framework, a first sensor framework, a connecting framework, a second sensor framework and a right end joint, wherein the left end joint is connected with the circuit framework; the other end of the left end joint is flexibly connected with a first inserting part through a spring; the circuit framework is connected with the first sensor framework through a screw; the first sensor framework and the second sensor framework are connected through the connecting framework; the second sensor framework is connected with the right end joint through the screw; the other end of the right end joint is provided with a second inserting part. According to the orientation gamma detecting tube, the framework joint is flexibly connected through the spring, so that the length error can be compensated, and the opposite inserting force of the inserting part can be ensured; a sensor is of a directional groove opening form, so that the special orientation can be conveniently and accurately measured.
Description
Technical field
The present invention relates to coal mine gas extraction borehole along drilling in coal monitoring technical field, be specifically related to a kind of orientation gamma inserting tube of monitoring along drilling in coal for underground coal mine.
Background technology
For gaseous mine, must mine again by first mash gas extraction.This just requires in a large amount of gas pumping hole of underground construction, for ensureing high gas pumping rate, requires that construction drill is along coal seam directional drilling all the time.So just must measure drilling track and detect the distance of hole spacing Seam Roof And Floor, to ensure that rig can adjust drilling trace according to measurement result and make boring be positioned at all the time within coal seam.But at present, underground coal mine has directional drilling machine, can measure drilling track in real time there is no orientation gamma survey inserting tube, the distance cannot determining to hole whether along drilling in coal and hole spacing Seam Roof And Floor.
Orientation gamma inserting tube based on natural gamma Detection Techniques is that the inclinometer matched with directional drilling machine is used in combination, not only can measure boring attitude in real time but also the position in coal seam of holing can be determined, the directional drilling work of underground coal mine can be served better.But when designing orientation gamma inserting tube, its sensor cluster (scintillation crystal and photomultiplier) need be made to have specific directionality.
Summary of the invention
The present invention is the problem solving prior art, provides a kind of orientation gamma inserting tube of monitoring along drilling in coal for underground coal mine.
For solving prior art Problems existing, technical scheme of the present invention is:
The embodiment of the present invention provides a kind of orientation gamma inserting tube of monitoring along drilling in coal for underground coal mine, this orientation gamma inserting tube comprises left end joint, circuit framework, first sensor skeleton, connecting framework, second sensor framework and right-hand member joint, described left end joint is connected with circuit framework, the other end of described left end joint is flexibly connected by spring and the first connector, described circuit framework is connected with first sensor skeleton by screw, described first sensor skeleton is connected by connecting framework with the second sensor framework, described second sensor framework is connected with right-hand member joint by screw, the other end of described right-hand member joint is provided with the second connector.
In such scheme, in described circuit framework, be provided with power circuit, signal processing circuit; Described power circuit comprises Ni-MH battery group, power converting circuit, two-way high-pressure modular, two-way bleeder circuit, described Ni-MH battery group is connected with two-way high-pressure modular respectively through power converting circuit, described two-way high-pressure modular is connected with two-way bleeder circuit respectively, and described signal processing circuit comprises signal amplification circuit that two-way connects successively, discriminator circuit, pulse shaper, the counter controller that is connected with two-way pulse shaper.
In such scheme, described first sensor skeleton and the second sensor framework are respectively arranged with scintillation crystal, photomultiplier, and described scintillation crystal is connected with photomultiplier.
In such scheme, the two-way bleeder circuit of the power circuit established in described circuit framework is connected with the photomultiplier in first sensor skeleton and the second sensor framework respectively, and the two paths of signals amplifying circuit of the signal processing circuit in described circuit framework is connected with the photomultiplier in first sensor skeleton and the second sensor framework respectively.
In such scheme, described first sensor skeleton and the second sensor framework adopt highdensity tungsten nickel material to make, and are provided with fluting on skeleton.
In such scheme, described first sensor skeleton is identical with the fluting of the second sensor framework but setting direction is mutually 180 °.
Compared with prior art, advantage of the present invention is as follows:
Inserting tube skeleton of the present invention, its interface all have employed Uniting, therefore can dock with subsequent instrumentation easily and combinationally use, the joint of skeleton adopts spring to flexibly connect, both can compensating length error, can ensure again connector to slotting power, sensor framework have employed the mode of directed fluting, can measure particular orientation easily and accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of left end joint of the present invention;
Fig. 3 is the structural representation of sensor framework of the present invention;
Fig. 4 is the structural representation of right-hand member joint of the present invention.
In figure, 1-left end joint; 2-circuit framework; 3-first sensor skeleton; 4-connecting framework; 5-second sensor framework; 6-right-hand member joint; 7-first connector; 8-spring; 9-second plug connector.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The embodiment of the present invention provides a kind of orientation gamma inserting tube of monitoring along drilling in coal for underground coal mine, as Figure 1-4, this orientation gamma inserting tube comprises left end joint 1, circuit framework 2, first sensor skeleton 3, connecting framework 4, second sensor framework 5 and right-hand member joint 6, described left end joint 1 is connected with circuit framework 2, the other end of described left end joint 1 is flexibly connected by spring 8 and the first connector 7, described first connector 7 and skeleton relative sliding, mounting spring 8 compensates and connector providing slotting power to provide error in length between, described circuit framework 2 is connected with first sensor skeleton 3 by screw, described first sensor skeleton 3 is connected by connecting framework 4 with the second sensor framework 5, described second sensor framework 5 is connected with right-hand member joint 6 by screw, the other end of described right-hand member joint 6 is provided with the second connector 9.
Power circuit, signal processing circuit is provided with in described circuit framework 2; Described power circuit comprises Ni-MH battery group, power converting circuit, two-way high-pressure modular, two-way bleeder circuit, described Ni-MH battery group is connected with two-way high-pressure modular respectively through power converting circuit, described two-way high-pressure modular is connected with two-way bleeder circuit respectively, and described signal processing circuit comprises signal amplification circuit that two-way connects successively, discriminator circuit, pulse shaper, the counter controller that is connected with two-way pulse shaper.
Described first sensor skeleton 3 and the second sensor framework 5 are respectively arranged with scintillation crystal, photomultiplier, and described scintillation crystal is connected with photomultiplier.
The two-way bleeder circuit of the power circuit established in described circuit framework 2 is connected with the photomultiplier in first sensor skeleton 3 and the second sensor framework 5 respectively, and the two paths of signals amplifying circuit of the signal processing circuit in described circuit framework 2 is connected with the photomultiplier in first sensor skeleton 3 and the second sensor framework 5 respectively.
Described first sensor skeleton 3 and the second sensor framework 5 are all the tube-like envelopes adopting high density tungsten nickel alloy to make, its inner placement scintillation crystal and photomultiplier, owing to having fluting on tungsten nickel shell, scintillation crystal can receive the fluting direction gamma ray of coming in, the gamma ray in other direction then shield by tungsten nickel shell.Described first sensor skeleton 3 is identical with the fluting of the second sensor framework 5 but installation direction is mutually 180 °, namely the fluting of first sensor skeleton 3 upward time, the fluting of the second sensor framework 5 is just in time down.
The course of work of the present invention:
Power supply in described circuit framework 2 is respectively through two-way high-pressure modular, two-way bleeder circuit is powered to the two-way photomultiplier be arranged in first sensor skeleton 3 and the second sensor framework 5, the gamma ray detected all is converted to photon by the described two-way scintillation crystal be arranged in first sensor skeleton 3 and the second sensor framework 5, and be transferred to corresponding photomultiplier, the photon received is converted to electric impulse signal by described every road photomultiplier, be transferred to every road signal amplification circuit more respectively, pass through every road discriminator circuit successively, the process of pulse shaper, the signal of telecommunication after process is sent to counter controller by last two-way pulse shaper, described counter controller proceeds subsequent treatment.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (6)
1. an orientation gamma inserting tube of monitoring along drilling in coal for underground coal mine, it is characterized in that, this orientation gamma inserting tube comprises left end joint (1), circuit framework (2), first sensor skeleton (3), connecting framework (4), second sensor framework (5) and right-hand member joint (6), described left end joint (1) is connected with circuit framework (2), the other end of described left end joint (1) is flexibly connected by spring (8) and the first connector (7), described circuit framework (2) is connected with first sensor skeleton (3) by screw, described first sensor skeleton (3) is connected by connecting framework (4) with the second sensor framework (5), described second sensor framework (5) is connected with right-hand member joint (6) by screw, the other end of described right-hand member joint (6) is provided with the second connector (9).
2., according to claim 1 for the orientation gamma inserting tube that underground coal mine is monitored along drilling in coal, it is characterized in that: described circuit framework is provided with power circuit, signal processing circuit in (2); Described power circuit comprises Ni-MH battery group, power converting circuit, two-way high-pressure modular, two-way bleeder circuit, described Ni-MH battery group is connected with two-way high-pressure modular respectively through power converting circuit, described two-way high-pressure modular is connected with two-way bleeder circuit respectively, and described signal processing circuit comprises signal amplification circuit that two-way connects successively, discriminator circuit, pulse shaper, the counter controller that is connected with two-way pulse shaper.
3. according to claim 1 or 2 for orientation gamma inserting tube that underground coal mine is monitored along drilling in coal, it is characterized in that: described first sensor skeleton (3) and the second sensor framework (5) are respectively arranged with scintillation crystal, photomultiplier, and described scintillation crystal is connected with photomultiplier.
4. according to claim 3 for orientation gamma inserting tube that underground coal mine is monitored along drilling in coal, it is characterized in that: the two-way bleeder circuit of the power circuit established in described circuit framework (2) is connected with the photomultiplier in first sensor skeleton (3) and the second sensor framework (5) respectively, the two paths of signals amplifying circuit of the signal processing circuit in described circuit framework (2) is connected with the photomultiplier in first sensor skeleton (3) and the second sensor framework (5) respectively.
5. according to claim 4 for orientation gamma inserting tube that underground coal mine is monitored along drilling in coal, it is characterized in that: described first sensor skeleton (3) and the second sensor framework (5) adopt highdensity tungsten nickel material to make, and are provided with fluting on skeleton.
6. according to claim 5 for the orientation gamma inserting tube that underground coal mine is monitored along drilling in coal, it is characterized in that: described first sensor skeleton (3) is identical with the fluting of the second sensor framework (5) but setting direction is mutually 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079919.9A CN104763412A (en) | 2015-02-13 | 2015-02-13 | Orientation gamma detecting tube for underground coal-seam-following drilling monitoring of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079919.9A CN104763412A (en) | 2015-02-13 | 2015-02-13 | Orientation gamma detecting tube for underground coal-seam-following drilling monitoring of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104763412A true CN104763412A (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079919.9A Pending CN104763412A (en) | 2015-02-13 | 2015-02-13 | Orientation gamma detecting tube for underground coal-seam-following drilling monitoring of coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343580A (en) * | 2019-08-07 | 2021-02-09 | 北京迈斯康特测控技术有限公司 | Probe pipe skeleton |
| CN114483001A (en) * | 2022-01-26 | 2022-05-13 | 斯伦贝谢油田技术（山东）有限公司 | Underground attitude measuring equipment |
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| CN102979518A (en) * | 2012-12-14 | 2013-03-20 | 上海神开石油化工装备股份有限公司 | Directional gamma probe |
| CN104265275A (en) * | 2014-09-19 | 2015-01-07 | 中煤科工集团西安研究院有限公司 | Coal mine underground direction while drilling gama logging instrument and measuring method thereof |
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2015
- 2015-02-13 CN CN201510079919.9A patent/CN104763412A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6863127B2 (en) * | 2000-03-27 | 2005-03-08 | Schlumberger Technology Corporation | System and method for making an opening in a subsurface tubular for reservoir monitoring |
| CN101482014A (en) * | 2009-02-23 | 2009-07-15 | 中国石化集团胜利石油管理局钻井工艺研究院 | Rotary-focusing gamma measuring apparatus and method |
| CN101787879A (en) * | 2010-03-01 | 2010-07-28 | 北京六合伟业科技有限公司 | Two-segment type gyroscopic survey probe |
| CN201915836U (en) * | 2011-01-17 | 2011-08-03 | 山西巨安电子技术有限公司 | Directional drilling system |
| CN102230376A (en) * | 2011-06-08 | 2011-11-02 | 中天启明石油技术有限公司 | Azimuth gamma well-logging device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343580A (en) * | 2019-08-07 | 2021-02-09 | 北京迈斯康特测控技术有限公司 | Probe pipe skeleton |
| CN114483001A (en) * | 2022-01-26 | 2022-05-13 | 斯伦贝谢油田技术（山东）有限公司 | Underground attitude measuring equipment |
| CN114483001B (en) * | 2022-01-26 | 2022-11-18 | 斯伦贝谢油田技术（山东）有限公司 | Underground attitude measuring equipment |
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Application publication date: 20150708 |