CN2740766Y - Directional coring device for rock core - Google Patents
Directional coring device for rock core Download PDFInfo
- Publication number
- CN2740766Y CN2740766Y CN 200420061928 CN200420061928U CN2740766Y CN 2740766 Y CN2740766 Y CN 2740766Y CN 200420061928 CN200420061928 CN 200420061928 CN 200420061928 U CN200420061928 U CN 200420061928U CN 2740766 Y CN2740766 Y CN 2740766Y
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- core
- outer tube
- orientation
- rock core
- magnetic resistance
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Abstract
The utility model provides a directional corer of rock core, has the outer tube and arranges the rock core pipe in this outer tube in with the cover the one end of outer tube is provided with drill rod joint the other end of outer tube is provided with the drill bit, is provided with rock core shearing structure on the one end mouth of pipe of drill bit of rock core pipe, the rock core pipe is supported by the bearing of periphery fixing on the outer tube, characterized by the outer tube is for not having the magnetism outer tube, is provided with the magnetic resistance formula on the rock core pipe and bores the orientation appearance, it comprises accelerometer sensor, magnetic resistance meter sensor, gating circuit, AD converting circuit, singlechip, storage joint mouth and constant voltage power supply to bore the orientation appearance along with the drilling. The utility model discloses a directional corer of rock core has set up the magnetic resistance formula along with boring the orientation apparatus on the core pipe to utilize the relation that time and drilling spatial position correspond, it can adopt the method of restorer physical simulation or digital simulation software, resumes the rock specimen to original condition, and then surveys the inclination and the tendency in ore bed.
Description
Technical field
The utility model relates to the core orientation corer that industries such as a kind of geological prospecting, oil drilling are used.
Background technology
The core orientation core-taking technology is a technology of determining the original occurrence of core in the stratum, and the research that orientation is got core is always attached great importance in geologic prospect both at home and abroad, and it is considered as reconnoitring one of key technology.It not only can descend the occurrence of rock-soil layer and structural plane rapidly, easily definitely, but also can judge the movement direction of deposit and harmful chemical, the various physical features of subsurface rock are understood in the orientation of radioactive source, stress field, and the trend of forecast hole deviation.In the geological disaster field, usually utilize orientation to get the core parameter and descend level rock and post-rift occurrence definitely, underground fluid motion and seepage direction, the inclination angle of potential parting surface and slide plane and incline direction or the like in the rock mass are for construction of the reconnoitring of the early warning of geological disaster, mine, geotechnical engineering etc. provides reliable geological basis.Environmental engineering geology is reconnoitred in China, rock-soil layer preventing land slide and monitoring, geological survey, mine are detailedly surveyed, mining, oil exploration, water conservancy and hydropower, and other geotechnical engineering field in, the core orientation core-taking technology also has a wide range of applications.In probing of solid mineral products and exploitation, the natural exploration and development of oil, aspects such as continent and ocean Science Drilling are also got core to core orientation and are classified an important process as.The method that core orientation is commonly used has Mechanical Method, well logging method and paleomagnetic method.Well logging method and paleomagnetic method complicated operation, expense height must the professional and technical personnel can adopt, and can not in time obtain the result, have hindered its application.And Mechanical Method is a kind of directed core-taking technology that is suitable for field operation, small investment, instant effect, practical, easy popularization, but because it adopts the single-point type direction finder technology that falls behind usually, antivibration not, simultaneously, the rock sample taking rate of single hose Sampling driller is not high, has caused and has applied difficulty.
At present, the Mechanical Method core orientation device of development both at home and abroad and use is representational to be: the Atlas core orientation device of Sweden, the Archway core orientation device of Britain, the KTB core orientation system of Germany, the Christensen core orientation drilling tool of the U.S., the K Γ Д Γ core orientation device and the KO core orientation instrument of the former Soviet Union, the KDS-1 core orientation drilling tool of China, YCO-II core orientation drilling tool SDQ-91 type directional coring apparatus etc.In addition, Chinese utility model patent also discloses a kind of two moving water isolation type list drill bit core plugging notifying mechanism of rope core drilling that is used for geological drilling for No. 91214782.2.With regard to above-mentioned existing directed drilling tool, they are made of outer tube and the core barrel that is placed in this outer tube usually, end at outer tube is provided with tool joint, the other end at outer tube is provided with drill bit, end mouth of pipe towards drill bit of core barrel is provided with core shear constitution (the common jump ring external member that is made of the clip spring seat of jump ring and cooperation is with it served as), and core barrel is supported by the bearing that periphery is fixed on the outer tube.These drilling tools all exist the problem of above-mentioned single-point type direction finder technology, and icking tool scarification icking tool goes out the bad grasp of sword, easily cause core to fracture and stop up, and the rock sample core taking rate is low.What is more important: above-mentioned existing product can not be realized with boring continuous sampling, parameters such as the drift angle of energy measurement boring, azimuth, hole depth, core course angle not, rock sample can not be recovered reset condition and record the inclination angle and the tendency of ore bed, and then can not grasp the occurrence structure of ore bed comparatively exactly.Therefore, above-mentioned existing product exists defective, awaits improving.
The utility model content
The purpose of this utility model provides parameters such as a kind of drift angle that can measure boring, azimuth, hole depth, core course angle, and can improve the core orientation corer of rock sample core taking rate.
Core orientation corer of the present utility model has outer tube and is placed on the interior core barrel of this outer tube, end at described outer tube is provided with tool joint, the other end at described outer tube is provided with drill bit, end mouth of pipe towards drill bit of core barrel is provided with the core shear constitution, described core barrel is supported by the bearing that periphery is fixed on the outer tube, it is characterized in that described outer tube is no magnetic outer tube, core barrel is provided with reluctance type orientation with drilling instrument, described orientation with drilling instrument is by acceierometer sensor, the magnetic resistance flowmeter sensor, gating circuit, the A/D change-over circuit, single-chip microcomputer, memory card interface and voltage-stabilized power supply are formed, the power output end of described voltage-stabilized power supply respectively with the power end of acceierometer sensor, the power end of magnetic resistance flowmeter sensor, the power end of gating circuit, the power end of A/D change-over circuit, the power end of single-chip microcomputer is connected with the power end of memory card interface, the signal output part of the signal output part of described acceierometer sensor and magnetic resistance flowmeter sensor is connected with the signal input part of gating circuit respectively, the signal output part of described gating circuit connects the signal input part of A/D change-over circuit, the signal output part of described A/D change-over circuit connects the signal input part of single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of memory card interface.
In the utility model, described outer tube is no magnetic outer tube, that is the outer tube of nonmagnetic interference.
When using core orientation corer of the present utility model, can utilize tool joint on the outer tube to realize fixedlying connected of drilling rod and outer tube.In the drive sampling process, drilling rod drives outer tube and is positioned at the drill bit rotation of the outer tube other end, and core is progressed into be placed on core barrel within the outer tube (or in claiming pipe).Because core barrel is supported by the bearing that periphery is fixed on the outer tube, so core barrel can not rotate along with the rotation of outer tube.When pulling out of hole, the core shear constitution on an end mouth of pipe of drill bit that is positioned at core barrel can impose shearing force to the core at core barrel mouth of pipe place, and then make between core in the core barrel and the outside rock mass and disconnect, thereby can allow the operator from boring, mention this device, and in core barrel, obtain core.Herein, set core shear constitution can adopt the form of structure of existing like product, the core shear constitution and other similar structures that constitute as the clip spring seat by jump ring and cooperation with it.The above-mentioned course of work of this device is similar to aforementioned existing like product, but, because the outer tube that is adopted in this device is no magnetic outer tube, on core barrel, be provided with by acceierometer sensor simultaneously, the magnetic resistance flowmeter sensor, gating circuit, the A/D change-over circuit, single-chip microcomputer, the reluctance type orientation with drilling instrument that memory card interface and voltage-stabilized power supply are formed, like this, when drive sampling, set acceierometer sensor and magnetic resistance flowmeter sensor will be to the drift angles of boring, the azimuth, hole depth, parameters such as core course angle are measured, measured signal is through gating circuit, the A/D change-over circuit sends single-chip microcomputer to after handling, be sent to memory card interface by single-chip microcomputer again, write the storage card in the memory card interface.Like this, after pulling out of hole and taking out core, on computers the information in the said memory card is read, obtain the parameter such as drift angle, azimuth, hole depth, core course angle of its continuous acquisition, and can utilize the accuracy of CAD secondary development tool digital simulation software technology and the data of surveying, directly calculate the original occurrence of core (rock stratum is inclined to and the inclination angle).
In addition, in the utility model, can also do following further improvement: on the tube wall of core barrel, offer first directional hole and second directional hole, and allow the line of above-mentioned first directional hole and second directional hole parallel with the axial line of core barrel.Like this, after carrying brill, just can on core, delineate first, second gauge point by above-mentioned first, second directional hole.After taking out core, then can utilize above-mentioned two gauge points on core, to mark the straight line that is parallel to the core axis from the core root to the core top.To adopt core arrange, reset after, the just original occurrence that can reset and measure core on the instrument at the core of development.
Compared with the aforementioned existing similar products, core orientation corer of the present utility model is provided with reluctance type orientation with drilling instrument on core barrel, thereby utilize the time relation corresponding with the borehole space position, solved the difficult problem of rock stratum directional technology, it can adopt the method for reset instrument physical simulation or digital simulation software, rock sample is returned to reset condition, and then record the inclination angle and the tendency of ore bed, grasp the occurrence structure of ore bed more accurately.This product is being further improved, promptly on the tube wall of core barrel, offer after first directional hole and second directional hole, both improved directed accuracy, having solved in the past again, icking tool scarification icking tool goes out the bad grasp of sword, be easy to the difficult problem that causes core to fracture and stop up, the bit freezing phenomenon of having avoided icking tool to cause has guaranteed the taking rate of core.
Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the structural representation of core orientation corer among the embodiment 1.
Fig. 2 is the A--A sectional view of Fig. 1.
Fig. 3 is the circuit block diagram of reluctance type orientation with drilling instrument.
Fig. 4～15th, the circuit diagram of reluctance type orientation with drilling instrument.
Figure 16 is the structural representation of core orientation corer among the embodiment 2.
The specific embodiment
Embodiment 1: as Fig. 1, shown in 2, core orientation corer in the present embodiment has outer tube 1 and is placed on the interior core barrel 2 of this outer tube, end at described outer tube 1 is provided with tool joint 3, the other end at described outer tube 1 is provided with drill bit 4, end mouth of pipe towards drill bit of core barrel 2 is provided with the core shear constitution that is made of jump ring 5 and clip spring seat 6, described jump ring 5 and clip spring seat 6 match, described core barrel 2 is supported by the bearing 7 that periphery is fixed on the outer tube 1, it is characterized in that described outer tube 1 is no magnetic outer tube, core barrel 2 is provided with reluctance type orientation with drilling instrument 8.As shown in Figure 3, above-mentioned orientation with drilling instrument in the present embodiment is by acceierometer sensor 11, magnetic resistance flowmeter sensor 12, gating circuit 13, A/D change-over circuit 14, single-chip microcomputer 15, memory card interface 16 and voltage-stabilized power supply 17 are formed, the power output end of described voltage-stabilized power supply 17 respectively with the power end of acceierometer sensor 11, the power end of magnetic resistance flowmeter sensor 12, the power end of gating circuit 13, the power end of A/D change-over circuit 14, the power end of single-chip microcomputer 15 is connected with the power end of memory card interface 16, the signal output part of the signal output part of described acceierometer sensor 11 and magnetic resistance flowmeter sensor 12 is connected with the signal input part of gating circuit 13 respectively, the signal output part of described gating circuit 13 connects the signal input part of A/D change-over circuit 14, the signal output part of described A/D change-over circuit 14 connects the signal input part of single-chip microcomputer 15, and the signal output part of described single-chip microcomputer 15 is connected with the signal input part of memory card interface 16.
Shown in Fig. 4～15, in the present embodiment, above-mentioned acceierometer sensor 11 is mainly served as by two dimension acceleration meter ADXL202, magnetic resistance flowmeter sensor 12 is by two-dimentional magnetic resistance meter HMC1002, one dimension magnetic resistance meter HMC1001 and peripheral circuit serve as, gating circuit 13 is mainly served as by decoder MAX4531, A/D change-over circuit 14 is made of A/D converter ic AD780 and peripheral circuit, single-chip microcomputer 15 is made of microprocessor ADUC834 and peripheral circuit, memory card interface 16 is serial line interface JP3, and voltage-stabilized power supply 17 mainly is made of battery (12V) and 7805 integrated regulators.
When drive sampling, the two dimension acceleration meter ADXL202 (AX, AY) in set acceierometer sensor and the magnetic resistance flowmeter sensor orientation with drilling instrument, two-dimentional magnetic resistance meter HMC1002 (X, X_; Y, Y_), one dimension magnetic resistance meter HMC1001 (Z, Z_) will measure the parameters such as drift angle, azimuth, hole depth, core course angle of boring, measured X, X_, Y, Y_ and Z, Z_ signal after decoder MAX4531 decoding, enter Chip Microcomputer A UC834 by A/D conversion (AD780) successively again.After Chip Microcomputer A UC834 calculates, try to achieve zenithal angle of hole, bore direction angle, core course angle (core mark angle of torsion), regularly deposit storage card in by serial line interface JP3 (RXD, TXD) again.Its power supply is converted to 5V by battery (12V) power supply through 7805 integrated regulators, to Chip Microcomputer A UC834, two dimension acceleration meter ADXL202, two-dimentional magnetic resistance meter HMC1002, one dimension magnetic resistance meter HMC1001 power supply.By serial line interface JP3 the data zenithal angle of hole in the storage card, bore direction angle, core course angle (core mark angle of torsion) input computer are carried out data and handle again on the face of land, zenithal angle of hole, bore direction angle, the core course angle (core mark angle of torsion) of the time of core drilling with hole depth and collection is corresponding with carrying, obtain zenithal angle of hole, bore direction angle, the core course angle (core mark angle of torsion) at this section core place, hole, and these data are made the initial data that the position core resets.
Present embodiment also offers first directional hole 9 and second directional hole 10 on the tube wall of core barrel 2, the line of described first directional hole 9 and second directional hole 10 parallels with the axial line of core barrel 2.
During core orientation corer in using present embodiment, can utilize tool joint 3 on the outer tube 1 to realize fixedlying connected of drilling rods 18 and outer tube 1.In the drive sampling process, drilling rod 18 drives outer tube 1 and is positioned at drill bit 4 rotations of the outer tube other end, and makes core progress into core barrel 2.Because core barrel 2 is supported by the bearing 7 that periphery is fixed on the outer tube, so core barrel 2 can not rotate along with the rotation of outer tube 1.When pulling out of hole, the jump ring on an end mouth of pipe of drill bit 5 that is positioned at core barrel 2 can tighten up under the effect of clip spring seat 6, core to core barrel mouth of pipe place imposes shearing force, and then make between core in the core barrel 2 and the outside rock mass and disconnect, thereby can allow the operator from boring, mention this device, and in core barrel 2, obtain core.Above-mentioned drilling process is identical with existing like product, but when using the device of present embodiment, before in core barrel 2, taking out core, can utilize first, second directional hole 9,10 of offering on the tube wall of core barrel 2 on core, to depict first, second gauge point.After taking out core, then can utilize above-mentioned two gauge points on core, to mark the straight line that is parallel to the core axis from the core root to the core top.To adopt core arrange, reset after, the just original occurrence that can reset and measure core on the instrument at the core of development.
Embodiment 2: as shown in figure 16, the core orientation corer in the present embodiment is similar to embodiment 1, and different is that the position that reluctance type orientation with drilling instrument 8 is provided with on core barrel 2 slightly changes.
Claims (3)
1, a kind of core orientation corer, have outer tube and be placed on the interior core barrel of this outer tube, end at described outer tube is provided with tool joint, the other end at described outer tube is provided with drill bit, end mouth of pipe towards drill bit of core barrel is provided with the core shear constitution, described core barrel is supported by the bearing that periphery is fixed on the outer tube, it is characterized in that described outer tube is no magnetic outer tube, core barrel is provided with reluctance type orientation with drilling instrument, described orientation with drilling instrument is by acceierometer sensor, the magnetic resistance flowmeter sensor, gating circuit, the A/D change-over circuit, single-chip microcomputer, memory card interface and voltage-stabilized power supply are formed, the power output end of described voltage-stabilized power supply respectively with the power end of acceierometer sensor, the power end of magnetic resistance flowmeter sensor, the power end of gating circuit, the power end of A/D change-over circuit, the power end of single-chip microcomputer is connected with the power end of memory card interface, the signal output part of the signal output part of described acceierometer sensor and magnetic resistance flowmeter sensor is connected with the signal input part of gating circuit respectively, the signal output part of described gating circuit connects the signal input part of A/D change-over circuit, the signal output part of described A/D change-over circuit connects the signal input part of single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of memory card interface.
2, core orientation corer as claimed in claim 1 is characterized in that described core shear constitution is made of jump ring and clip spring seat, and described jump ring and clip spring seat match.
3, core orientation corer as claimed in claim 1 or 2 is characterized in that offering first directional hole and second directional hole on the tube wall of core barrel, the line of described first directional hole and second directional hole parallels with the axial line of core barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061928 CN2740766Y (en) | 2004-11-05 | 2004-11-05 | Directional coring device for rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061928 CN2740766Y (en) | 2004-11-05 | 2004-11-05 | Directional coring device for rock core |
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| CN2740766Y true CN2740766Y (en) | 2005-11-16 |
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| CN 200420061928 Expired - Fee Related CN2740766Y (en) | 2004-11-05 | 2004-11-05 | Directional coring device for rock core |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672170A (en) * | 2009-09-01 | 2010-03-17 | 中国地质大学（北京） | Novel electronic directional corer |
| CN101936159A (en) * | 2010-08-30 | 2011-01-05 | 中国石油集团钻井工程技术研究院 | Method for recognizing lithological characters while drilling |
| CN102906364A (en) * | 2010-04-14 | 2013-01-30 | 贝克休斯公司 | Coring apparatus and methods |
| CN101999027B (en) * | 2008-05-13 | 2014-06-18 | 长年Tm公司 | Sonic drill bit for core sampling |
| CN105257230A (en) * | 2009-11-03 | 2016-01-20 | 长年Tm公司 | Method for forming a core lifter used in a drilling system |
| CN105547742A (en) * | 2015-12-11 | 2016-05-04 | 天地科技股份有限公司 | Coal sample sampling method and device |
| CN105841855A (en) * | 2016-05-06 | 2016-08-10 | 中国矿业大学(北京) | Novel ground stress test device |
| CN106441980A (en) * | 2015-08-07 | 2017-02-22 | 中国石油化工股份有限公司 | Rock sample coring device |
| CN107209165A (en) * | 2015-02-10 | 2017-09-26 | 伊姆戴克思全球私人有限责任公司 | For determining system, method and apparatus that architectural feature present in drilling core is arranged |
| CN107916905A (en) * | 2018-01-02 | 2018-04-17 | 河南理工大学 | Reciprocating coring method and device for rock stratum sampling |
| CN107991129A (en) * | 2018-01-16 | 2018-05-04 | 河南理工大学 | Reciprocating sampling method and device for gas bearing capacity spot sampling |
| WO2019029249A1 (en) * | 2017-08-09 | 2019-02-14 | 山东科技大学 | Rock core orienting apparatus based on geomagnetic field, sampling apparatus, and sampling method thereof |
| CN112324334A (en) * | 2020-10-30 | 2021-02-05 | 中国地质大学（武汉） | Sealed pressure-feed type horizontal directional drilling engineering geological exploration continuous coring device |
-
2004
- 2004-11-05 CN CN 200420061928 patent/CN2740766Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999027B (en) * | 2008-05-13 | 2014-06-18 | 长年Tm公司 | Sonic drill bit for core sampling |
| CN101672170A (en) * | 2009-09-01 | 2010-03-17 | 中国地质大学（北京） | Novel electronic directional corer |
| CN101672170B (en) * | 2009-09-01 | 2013-10-23 | 中国地质大学（北京） | Novel electronic directional corer |
| CN105257230A (en) * | 2009-11-03 | 2016-01-20 | 长年Tm公司 | Method for forming a core lifter used in a drilling system |
| US10612308B2 (en) | 2009-11-03 | 2020-04-07 | Bly Ip Inc. | Core lifter |
| CN102906364A (en) * | 2010-04-14 | 2013-01-30 | 贝克休斯公司 | Coring apparatus and methods |
| CN101936159B (en) * | 2010-08-30 | 2013-05-29 | 中国石油集团钻井工程技术研究院 | Method for recognizing lithological characters while drilling |
| CN101936159A (en) * | 2010-08-30 | 2011-01-05 | 中国石油集团钻井工程技术研究院 | Method for recognizing lithological characters while drilling |
| CN107209165A (en) * | 2015-02-10 | 2017-09-26 | 伊姆戴克思全球私人有限责任公司 | For determining system, method and apparatus that architectural feature present in drilling core is arranged |
| CN106441980B (en) * | 2015-08-07 | 2018-11-23 | 中国石油化工股份有限公司 | Rock sample coring device |
| CN106441980A (en) * | 2015-08-07 | 2017-02-22 | 中国石油化工股份有限公司 | Rock sample coring device |
| CN105547742A (en) * | 2015-12-11 | 2016-05-04 | 天地科技股份有限公司 | Coal sample sampling method and device |
| CN105547742B (en) * | 2015-12-11 | 2020-12-01 | 天地科技股份有限公司 | Coal sample sampling method and device |
| CN105841855A (en) * | 2016-05-06 | 2016-08-10 | 中国矿业大学(北京) | Novel ground stress test device |
| WO2019029249A1 (en) * | 2017-08-09 | 2019-02-14 | 山东科技大学 | Rock core orienting apparatus based on geomagnetic field, sampling apparatus, and sampling method thereof |
| CN107916905A (en) * | 2018-01-02 | 2018-04-17 | 河南理工大学 | Reciprocating coring method and device for rock stratum sampling |
| CN107991129A (en) * | 2018-01-16 | 2018-05-04 | 河南理工大学 | Reciprocating sampling method and device for gas bearing capacity spot sampling |
| CN112324334A (en) * | 2020-10-30 | 2021-02-05 | 中国地质大学（武汉） | Sealed pressure-feed type horizontal directional drilling engineering geological exploration continuous coring device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20101105 |