CN103410463B - Deep hole inner pipe puts in place warning cord coring drill - Google Patents
Deep hole inner pipe puts in place warning cord coring drill Download PDFInfo
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- CN103410463B CN103410463B CN201310388422.6A CN201310388422A CN103410463B CN 103410463 B CN103410463 B CN 103410463B CN 201310388422 A CN201310388422 A CN 201310388422A CN 103410463 B CN103410463 B CN 103410463B
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Abstract
The invention discloses a kind of deep hole inner pipe to put in place warning cord coring drill, the present invention designs a valve and blocks up between mud blasthole and mud weep hole, after interior pipe puts in place, hanging ring and seat ring contact, mud circulation blocked path, mud enters blasthole, block up bottom at valve and the first bullet clamp are set, after being backed down when valve blocks up first played clamp and opened the bottom surface that the bullet card be stuck in the middle part of valve body reclaims seat, the first return bar playing clamp bottom is stuck in weep hole simultaneously, valve stays open state after blocking up and being backed down, not at return in drilling process, in this process, pump pressure is returned to normal value after there is the transient change of 2MPa, now supporting pressure monitor system is reported to the police after pump pressure change being detected, first plays the bottom surface that clamp are stuck in the bullet deck in the middle part of valve body, valve is got lodged in drilling process and stays open state always, after ground mentioned by interior pipe, with instrument, curved bar is ejected in weep hole, first plays clamp closes, valve blocks up return, can be implemented in deep well drilling pipe in realizing to put in place warning, thus non-cutting time is crept in minimizing.
Description
Technical field
The present invention relates to a kind of deep hole inner pipe to put in place warning cord coring drill and to the detection system of its alarm signal and method, be particularly useful for deep hole geological core drilling.
Background technology
Along with the fast development of economy, the consumption of the energy is also growing, the oil of shallow-layer, coal, natural gas equal energy source are exploited in a large number, from its remaining reserves, the explored shallow stratum energy cannot continue long term support modern industry, therefore use geological core drilling to explore the energy that layer is stored deeper and just become particularly important, and wire line coring method is the first-selection of geological core drilling.
Probing facts have proved, time within rice, interior pipe puts in place and can hear sound, and more than meter Yi Hou, in judging, whether pipe puts in place very difficult.At present, put in place the main thought of alarm mechanism of pipe changes pump pressure after being put in place by interior pipe to realize interior pipe and to put in place warning.Interior pipe drops into after in well, in slush pump pumping mud promotes, pipe accelerates descending, and the hanging ring in after interior pipe puts in place on pipe is suspended on the seat ring of outer tube, and now hanging ring and seat ring contact block mud path, mud enters the blasthole on interior pipe, sends from weep hole.The existing interior pipe alarm mechanism that puts in place between blasthole and weep hole, arranges valve block up, and mud must be backed down, and valve is stifled could discharge from weep hole, and in this process, the pressure of slush pump raises.Its shortcoming be this mechanism mud back down valve stifled after elevated pressures must be kept to stay open to ensure that valve blocks up always always, the pump pressure in drilling process can be increased like this, very large infringement is had to pump, therefore the opening pressure that valve is stifled can not be too large, and pump pressure change does not too littlely observe, so be not suitable for deep hole when deep drilling.
Summary of the invention
First object of the present invention is just for above-mentioned the deficiencies in the prior art, provides one can make pump pressure after rising, return to normal value and creeps into, the warning cord coring drill thus the deep hole inner pipe that can be applied to deep drilling puts in place.
Second object of the present invention be to provide a kind of deep hole inner pipe put in place warning cord coring drill use pressure monitor system.
3rd object of the present invention is to provide a kind of deep hole inner pipe and puts in place the monitoring method of pressure monitor system of warning cord coring drill.
Put in place the spearhead that drags for of warning cord coring drill of the deep hole inner pipe of the present invention is connected by the first resilient key with bullet card recovery tube, bullet block head and bullet card room are threaded connection, bullet card recovery tube is formed can be dynamically connected by the second resilient key and bullet deck, when bullet card recovery tube is up, bullet deck band moves clamp due to gravity fall, play clamp to be connected by the 3rd resilient key with bullet deck, be with clamp of moving together descending when bullet deck is descending, two panels bullet clamp are formed can be dynamically connected by the 3rd resilient keys, close by the thrust of bullet card recovery tube at bullet clamp, two panels bullet clamp stay open state by the tension force of the first tension spring, two panels bullet clamp are stuck in bullet block head and guarantee that inner tube assembly can not be up due to the thrust produced in drilling process, salvage in rock core process, fisher pulls and drags for spearhead, drag for spearhead band card recovery tube of moving up, play deck band move clamp due to gravity descending, bullet card recovery tube makes bullet clamp overcome the tension force of tension spring and close, inner tube assembly is up.
Bullet deck and valve body are threaded connection, hanging ring is connected with valve body by screw thread, seat ring and bullet card room are threaded connection, spring upper end supports by valve is stifled, seat supports is reclaimed by the bullet card in the middle part of valve body in lower end, first plays clamp keeps open configuration by the tension force of the second tension spring, after the first bullet clamp reclaim seat by the bullet card in the middle part of valve body, first bullet clamp are opened by the second tension spring the bullet card be stuck in the middle part of valve body and are reclaimed on seat bottom surface, first plays clamp is connected by the 4th resilient key with valve is stifled, valve blocks up in descending process and drives the first bullet clamp descending, valve blocks up by spring compression on the valve port of valve body, when put in place rear overhang link and seat ring contact of interior pipe blocks mud circulation path, mud enters in valve body by the blasthole on valve body top, slush pump pressure increase MPa, mud pressure is greater than the pretightning force of spring, mud backs down valve and blocks up, mud is flowed out by the delivery port of six water holes in the middle part of valve body via valve body lower portion, simultaneously valve blocks up drive first to play clamp descending, first plays clamp closes by bullet card in the middle part of valve body reclaims the thrust of seat, reclaim the first bullet clamp after seat through the bullet card in the middle part of valve body to open, first plays the clamp bullet card be stuck in the middle part of valve body reclaims on seat bottom surface, valve is stifled can not return, now mud pressure recovers normal drilling values.
Bullet card room is connected with the first reamer by screw thread, valve body and axle are threaded connection, axle is connected with clutch shaft bearing seat by screw thread, first thrust bearing is by clutch shaft bearing seat and the second bearing support fixing seal, second thrust bearing is fixed by the second bearing support and spring, spring upper end is supported by the second thrust bearing, lower end is supported by round nut, round nut and axle are threaded connection, through the hole on round nut and axle, safety pin ensures that round nut does not loosen, second bearing support and spring housing are threaded connection, outer tube is connected with the second reamer by screw thread, lubricating cup is connected with spring housing by screw thread, spring housing and non-return valve seat are threaded connection, check (non-return) valve steel ball is seated on the valve port of non-return valve seat by self gravitation, the two is quiet contact, non-return valve seat is connected with basket by screw thread, basket and clip spring seat are threaded connection, jump ring back-up ring is fixed and clamped by basket and clip spring seat, seal.Jump ring is seated on clip spring seat lower taper inwall, and the second reamer is threaded connection by screw thread and drill bit.By interior Guan Tizhi ground removal of core after end of coring, the mouth of a river released by the cross bar playing clamp bottom by first, thrust now suffered by cross bar makes the first bullet clamp overcome suffered power and regain, valve blocks up owing to no longer playing the power of clamp by first and is pressed on the valve port of valve body by the pretightning force of spring, the interior pipe alarm mechanism that puts in place restPoses, and is then dropped in well by interior pipe and again cores.
The deep hole inner pipe of the present invention puts in place the pressure detecting system that warning cord coring drill uses, be made up of STM32F103 single-chip microcomputer, pressure sensor, warning circuit, power circuit and serial communication modular, pressure sensor is connected with STM32F103 single-chip microcomputer with warning circuit, power circuit is powered to STM32F103 single-chip microcomputer and warning circuit, and serial communication modular is connected with STM32F103 single-chip microcomputer.
The deep hole inner pipe of the present invention puts in place the detection method of detection system of warning cord coring drill, and the step of the method is as follows:
A. throw in the process of interior pipe, slush pump pumping mud promotes inner tube assembly and accelerates descending, and when inner tube assembly arrives after at the bottom of hole, hanging ring and seat ring contact block mud path, and mud enters in valve body by the blasthole on valve body top;
B. mud enters after in valve body, and slush pump still continues pumping mud, and slush pump pressure increases 2MPa, and mud backs down the delivery port that valve blocks up through valve body lower portion and flows out.
C. valve blocks up descending drive first to play clamp descending, bullet card in the middle part of valve body reclaims seat makes the first bullet clamp overcome the tension force of the second tension spring and close, reclaim the first bullet clamp after seat through the bullet card in the middle part of valve body to open due to the tension force of the second tension spring, first plays clamp is stuck in bullet card in the middle part of valve body and reclaims ground under seat, now slurry channel stays open, and slush pump pressure recovery is to normal value; The instantaneous pressure change of 2MPa is produced in this process.
D. pressure sensor is placed between slush pump and flow meter, and pressure sensor detects pressure changing, produces the signal of telecommunication, is transferred to STM32F103 single-chip microcomputer.
E.STM32F103 single-chip microcomputer imports signal into serial communication modular, and treated return AD sampled value, is sent to STM32F103 single-chip microcomputer.
Signal transmission to warning circuit, is made buzzer work, realizes warning function by f.STM32F103 single-chip microcomputer.
Beneficial effect of the present invention:
The present invention designs a valve and blocks up between mud blasthole and mud weep hole, after interior pipe puts in place, hanging ring and seat ring contact, mud circulation blocked path, mud enters blasthole, block up bottom at valve and submissile mechanism for card is set, opened by submissile mechanism for card after being backed down the bottom surface that the bullet card be stuck in the middle part of valve body reclaims seat when valve blocks up, the first return bar playing clamp gram bottom is stuck in weep hole simultaneously, in this process, pump pressure is returned to normal value after there is the transient change of MPa, now supporting pump pressure monitoring system is reported to the police after pump pressure change being detected, the bottom surface of the bullet deck of the first bullet clamp gram calorie in the middle part of valve body, valve is got lodged in drilling process and stays open state always, after ground mentioned by interior pipe, with instrument, curved bar is ejected in weep hole, submissile mechanism for card closes, valve blocks up return, operating process is simple and convenient, when valve is stifled backed down after stay open state, not at return in drilling process, this structure returns to former force value after the pressure of slush pump can be made to experience an instantaneous rising, pump is not needed to keep high pressure in drilling process, therefore harmful effect is not produced without excessive demand to creeping into pump.Due to valve is stifled after opening can not return, the pretightning force that valve blocks up spring can arrange higher value MPa, such change value of pressure is can be detected by the detection system that drilling tool is supporting in deep hole, therefore can be implemented in deep well drilling pipe in realizing and to put in place warnings, thus non-cutting time is crept in minimizing.
Accompanying drawing explanation
Fig. 1 is that the deep hole inner pipe of the present invention puts in place warning wire line coring drilling tool structure figure.
Fig. 2 is that A-A in Fig. 1 is to sectional view.
Fig. 3 is the pressure alarm system schematic diagram of the present invention.
Fig. 4 is the pressure alarm system software flow pattern of the present invention.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, put in place the spearhead 1 that drags for of warning cord coring drill of the deep hole inner pipe of the present embodiment is connected by the first resilient key 2 with bullet card recovery tube 3, play block head 4 to be threaded connection with bullet card room 10, bullet card recovery tube 3 is formed can be dynamically connected by the second resilient key 5 and bullet deck 9, when bullet card recovery tube 3 is up, bullet deck 9 band moves clamp 7 due to gravity fall, play clamp 7 to be connected by the 3rd resilient key 8 with bullet deck 9, be with clamp 7 of moving together descending when bullet deck 9 is descending, two panels bullet clamp 7 are formed can be dynamically connected by the 3rd resilient keys 8, close by the thrust of bullet card recovery tube 3 at bullet clamp 7, two panels bullet clamp 7 stay open state by the tension force of the first tension spring 6, two panels bullet clamp 7 are stuck in bullet block head 4 and guarantee that inner tube assembly can not be up due to the thrust produced in drilling process, salvage in rock core process, fisher pulls and drags for spearhead 1, dragging for spearhead 1 is with card recovery tube 3 of moving up, play deck 9 band move clamp 7 due to gravity descending, bullet card recovery tube 3 makes bullet clamp 7 overcome the tension force of tension spring 6 and close, inner tube assembly is up.
Play deck 9 to be threaded connection with valve body 15, hanging ring 11 is connected with valve body 15 by screw thread, seat ring 12 and bullet card room 10 are threaded connection, spring 13 upper end is supported by valve stifled 18, lower end is reclaimed seat 40 by the bullet card in the middle part of valve body 15 and is supported, first plays clamp 16 keeps open configuration by the tension force of the second tension spring 14, after the first bullet clamp 16 reclaim seat 40 by the bullet card in the middle part of valve body 15, first bullet clamp 16 are opened by the second tension spring 14 the bullet card be stuck in the middle part of valve body 15 and are reclaimed on seat 40 bottom surface, first plays clamp 16 is connected by the 4th resilient key 17 with valve stifled 18, drive the first bullet clamp 16 descending in the stifled 18 descending processes of valve, valve blocks up 18 and is pressed on the valve port of valve body 15 by spring 13, when the interior pipe rear overhang link 11 that puts in place to contact with seat ring 12 and blocks mud circulation path, mud enters in valve body by the blasthole 39 on valve body 15 top, slush pump pressure increase 2MPa, mud pressure is greater than the pretightning force of spring 13, mud backs down valve stifled 18, mud is flowed out by the delivery port of six water holes in the middle part of valve body 15 via valve body 15 bottom, valve stifled 18 drives the first bullet clamp 16 descending simultaneously, first plays clamp 16 closes by bullet card in the middle part of valve body 15 reclaims the thrust of seat 40, reclaim the first bullet clamp 16 after seat 40 through the bullet card in the middle part of valve body 15 to open, first plays the clamp 16 bullet card be stuck in the middle part of valve body 15 reclaims on seat 40 bottom surface, valve stifled 18 can not return, now mud pressure recovers normal drilling values.
Bullet card room 10 is connected with the first reamer 19 by screw thread, valve body 15 and axle 20 are threaded connection, axle 20 is connected with clutch shaft bearing seat 21 by screw thread, first thrust bearing 22 is by clutch shaft bearing seat 21 and the second bearing support 24 fixing seal, second thrust bearing 25 is fixed with spring 26 by the second bearing support 24, spring 26 upper end is supported by the second thrust bearing 25, lower end is supported by round nut 27, round nut 27 and axle 20 are threaded connection, through round nut 27 and the hole on axle 20, safety pin 28 ensures that round nut 27 does not loosen, second bearing support 24 is threaded connection with spring housing 30, outer tube 23 is connected with the second reamer 34 by screw thread, lubricating cup 29 is connected with spring housing 30 by screw thread, spring housing 30 and non-return valve seat 32 are threaded connection, check (non-return) valve steel ball 31 is seated on the valve port of non-return valve seat 32 by self gravitation, the two is quiet contact, non-return valve seat 32 is connected with basket 33 by screw thread, basket 33 and clip spring seat 37 are threaded connection, jump ring back-up ring 35 is fixed and clamped by basket 33 and clip spring seat 37, seal.Jump ring 36 is seated on clip spring seat 37 lower taper inwall, and the second reamer 34 is threaded connection by screw thread and drill bit 38.By interior Guan Tizhi ground removal of core after end of coring, the mouth of a river released by the cross bar playing clamp 16 bottom by first, thrust now suffered by cross bar makes the first bullet clamp 16 overcome suffered power and regain, valve blocks up 18 and is pressed on by the pretightning force of spring 13 on the valve port of valve body 15 owing to no longer playing the power of clamp 16 by first, the interior pipe alarm mechanism that puts in place restPoses, and is then dropped in well by interior pipe and again cores.
Refer to shown in Fig. 3, the deep hole inner pipe of the present invention puts in place the pressure detecting system that warning cord coring drill uses, be made up of STM32F103 Chip Microcomputer A 1, pressure sensor A2, warning circuit A3, power circuit A4 and serial communication modular A5, pressure sensor A2 is connected with STM32F103 Chip Microcomputer A 1 with warning circuit A3, power circuit A4 powers to STM32F103 Chip Microcomputer A 1 and warning circuit A3, and serial communication modular A5 is connected with STM32F103 Chip Microcomputer A 1.
The deep hole inner pipe of the present invention puts in place the detection method of detection system of warning cord coring drill, and the step of the method is as follows: refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4;
A. throw in the process of interior pipe, slush pump pumping mud promotes inner tube assembly and accelerates descending, and when inner tube assembly arrives after at the bottom of hole, hanging ring 11 contacts with seat ring 12 and blocks mud path, and mud enters in valve body 15 by the blasthole 39 on valve body 15 top;
B. mud enters after in valve body 15, and slush pump still continues pumping mud, and slush pump pressure increases 2MPa, and mud backs down valve and blocks up 18 delivery ports through valve body 15 bottom and flow out.
C. to play clamp 16 descending for the stifled 18 descending drives first of valve, bullet card in the middle part of valve body 15 reclaims seat 40 makes the first bullet clamp 16 overcome the tension force of the second tension spring 14 and close, reclaim the first bullet clamp 16 after seat 40 through the bullet card in the middle part of valve body 15 to open due to the tension force of the second tension spring 14, the bullet card that first bullet clamp 16 are stuck in the middle part of valve body 15 reclaims seat 40 times ground, now slurry channel stays open, and slush pump pressure recovery is to normal value; The instantaneous pressure change of 2MPa is produced in this process.
D. pressure sensor A2 is placed between slush pump and flow meter, and pressure sensor A2 detects pressure changing, produces the signal of telecommunication, is transferred to STM32F103 Chip Microcomputer A 1.
E.STM32F103 Chip Microcomputer A 1 imports signal into serial communication modular A5, and treated return AD sampled value, is sent to STM32F103 Chip Microcomputer A 1.
Signal transmission to warning circuit A3, is made buzzer work, realizes warning function by f.STM32F103 Chip Microcomputer A 1.
The present invention designs a valve and blocks up between mud blasthole 39 and mud weep hole 42, after interior pipe puts in place, hanging ring and seat ring contact, mud circulation blocked path, mud enters blasthole 39, block up bottom at valve and submissile mechanism for card is set, opened by submissile mechanism for card after being backed down the bottom surface that the bullet card be stuck in the middle part of valve body reclaims seat 40 when valve blocks up, the first return bar 41 playing clamp 16 grams of bottoms is stuck in weep hole 42 simultaneously, in this process, pump pressure is returned to normal value after there is the transient change of 2MPa, now supporting pump pressure monitoring system is reported to the police after pump pressure change being detected, the bottom surface of the bullet deck of the first bullet clamp 16 gram calorie in the middle part of valve body, valve is got lodged in drilling process and stays open state always, after ground mentioned by interior pipe, with instrument, curved bar is ejected in weep hole 42, submissile mechanism for card closes, valve blocks up return, operating process is simple and convenient, when valve is stifled backed down after stay open state, not at return in drilling process, this structure returns to former force value after the pressure of slush pump can be made to experience an instantaneous rising, pump is not needed to keep high pressure in drilling process, therefore harmful effect is not produced without excessive demand to creeping into pump.Due to valve is stifled after opening can not return, the pretightning force that valve blocks up spring can arrange higher value 2MPa, such change value of pressure is can be detected by the detection system that drilling tool is supporting in deep hole, therefore can be implemented in deep well drilling pipe in realizing to put in place warnings, thus non-cutting time is crept in minimizing.
Claims (1)
1. a deep hole inner pipe puts in place warning cord coring drill, it is characterized in that: it is dragged for spearhead (1) and is connected by the first resilient key (2) with bullet card recovery tube (3), play block head (4) to be threaded connection with bullet card room (10), bullet card recovery tube (3) is formed can be dynamically connected by the second resilient key (5) and bullet deck (9), when bullet card recovery tube (3) is up, bullet deck (9) band moves clamp (7) due to gravity fall, play clamp (7) to be connected by the 3rd resilient key (8) with bullet deck (9), be with clamp (7) of moving together descending when bullet deck (9) is descending, two panels bullet clamp (7) are formed can be dynamically connected by the 3rd resilient keys (8), close by the thrust of bullet card recovery tube (3) at bullet clamp (7), two panels bullet clamp (7) stay open state by the tension force of the first tension spring (6), two panels bullet clamp (7) are stuck in bullet block head (4) and guarantee that inner tube assembly can not be up due to the thrust produced in drilling process, salvage in rock core process, fisher pulls and drags for spearhead (1), dragging for spearhead (1) is with card recovery tube (3) of moving up, play deck (9) band move clamp (7) due to gravity descending, bullet card recovery tube (3) makes bullet clamp (7) overcome the tension force of tension spring (6) and close, inner tube assembly is up,
Play deck (9) to be threaded connection with valve body (15), hanging ring (11) is connected with valve body (15) by screw thread, seat ring (12) and bullet card room (10) are threaded connection, spring (13) upper end is supported by valve stifled (18), seat supports is reclaimed by the bullet card at valve body (15) middle part in lower end, first plays clamp (16) keeps open configuration by the tension force of the second tension spring (14), after the first bullet clamp (16) reclaims seat by the bullet card at valve body (15) middle part, first bullet clamp (16) is opened by the second tension spring (14) the bullet card being stuck in valve body (15) middle part and is reclaimed on seat bottom surface, first plays clamp (16) is connected by the 4th resilient key (17) with valve stifled (18), drive the first bullet clamp (16) descending in stifled (18) the descending process of valve, valve stifled (18) is pressed on the valve port of valve body (15) by spring (13), when the interior pipe rear overhang link (11) that puts in place to contact with seat ring (12) and blocks mud circulation path, mud enters in valve body by the blasthole on valve body (15) top, slush pump pressure increase 2MPa, mud pressure is greater than the pretightning force of spring (13), mud backs down valve stifled (18), mud is flowed out by the delivery port of six water holes in the middle part of valve body (15) via valve body (15) bottom, valve stifled (18) drives the first bullet clamp (16) descending simultaneously, first plays clamp (16) closes by valve body (15) middle part bullet card reclaims the thrust of seat, after the bullet card at valve body (15) middle part reclaims seat, the first bullet clamp (16) is opened, first plays clamp (16) is stuck on the bullet card recovery seat bottom surface at valve body (15) middle part, valve stifled (18) can not return, now mud pressure recovers normal drilling values,
Bullet card room (10) is connected with the first reamer (19) by screw thread, valve body (15) and axle (20) are threaded connection, axle (20) is connected with clutch shaft bearing seat (21) by screw thread, first thrust bearing (22) is by clutch shaft bearing seat (21) and the second bearing support (24) fixing seal, second thrust bearing (25) is fixed by the second bearing support (24) and spring (26), spring (26) upper end is supported by the second thrust bearing (25), lower end is supported by round nut (27), round nut (27) and axle (20) are threaded connection, through round nut (27) and the hole on axle (20), safety pin (28) ensures that round nut (27) does not loosen, second bearing support (24) and spring housing (30) are threaded connection, outer tube (23) is connected with the second reamer (34) by screw thread, lubricating cup (29) is connected with spring housing (30) by screw thread, spring housing (30) and non-return valve seat (32) are threaded connection, check (non-return) valve steel ball (31) is seated in by self gravitation on the valve port of non-return valve seat (32), the two is quiet contact, non-return valve seat (32) is connected with basket (33) by screw thread, basket (33) and clip spring seat (37) are threaded connection, jump ring back-up ring (35) is fixed and clamped by basket (33) and clip spring seat (37), seal, jump ring 36 is seated on clip spring seat (37) lower taper inwall, and the second reamer (34) is threaded connection by screw thread and drill bit (39), by interior Guan Tizhi ground removal of core after end of coring, the mouth of a river released by the cross bar playing clamp (16) bottom by first, thrust now suffered by cross bar makes the first bullet clamp (16) overcome suffered power and regain, valve stifled (18) is pressed on the valve port of valve body (15) owing to no longer playing the power of clamp (16) by first by the pretightning force of spring (13), the interior pipe alarm mechanism that puts in place restPoses, and is then dropped in well by interior pipe and again cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310388422.6A CN103410463B (en) | 2013-09-01 | 2013-09-01 | Deep hole inner pipe puts in place warning cord coring drill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310388422.6A CN103410463B (en) | 2013-09-01 | 2013-09-01 | Deep hole inner pipe puts in place warning cord coring drill |
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| Publication Number | Publication Date |
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| CN103410463A CN103410463A (en) | 2013-11-27 |
| CN103410463B true CN103410463B (en) | 2016-02-10 |
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| CN201310388422.6A Expired - Fee Related CN103410463B (en) | 2013-09-01 | 2013-09-01 | Deep hole inner pipe puts in place warning cord coring drill |
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Cited By (1)
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| RU2745351C1 (en) * | 2020-09-10 | 2021-03-24 | Акционерное общество "Научно-производственное предприятие "Бурсервис" | Core breaker layout |
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| CN104929553A (en) * | 2014-03-17 | 2015-09-23 | 中矿资源勘探股份有限公司 | Inner tube assembly of rope core drill bit |
| CN104265220B (en) * | 2014-10-09 | 2017-01-25 | 吉林大学 | Wireline coring drill with function of warning on in-position arrival of inner pipe |
| CN104929554B (en) * | 2015-07-10 | 2017-09-15 | 吉林大学 | Pneumatic circulating freezing type gas hydrates cord coring drill and coring method |
| CN109025873B (en) * | 2017-06-10 | 2023-11-24 | 长春工程学院 | Full-automatic signaling rope coring drilling tool for deep hole inner pipe in place |
| CN107905752A (en) * | 2017-11-07 | 2018-04-13 | 林州市振晨重工装备制造有限公司 | Two-tube core plugging notifying mechanism of rope core drilling and its drilling machine and its coring method of assembling |
| CN111502579A (en) * | 2020-04-27 | 2020-08-07 | 四川大学 | Automatic tunnel pressurize of reporting to police is got core and is equipped |
| CN111706282B (en) * | 2020-06-17 | 2021-12-24 | 中国地质科学院勘探技术研究所 | Cable coring drilling tool in-place reporting and rock core blockage warning mechanism |
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| US3548958A (en) * | 1969-07-30 | 1970-12-22 | Exxon Production Research Co | Pressure core barrel |
| SU1740619A1 (en) * | 1989-04-18 | 1992-06-15 | Всесоюзный Научно-Исследовательский Геологоразведочный Институт Угольных Месторождений | Drilling tool |
| US7934568B2 (en) * | 2007-06-27 | 2011-05-03 | Myrick Thomas M | Rock core removal method and apparatus |
| CN101864916B (en) * | 2010-05-27 | 2013-01-30 | 吉林大学 | Hole bottom freezing cord coring drill and coring method thereof |
| CN102587854B (en) * | 2012-02-16 | 2016-03-16 | 吉林大学 | Double elastic-clip is without recovery tube wire line coring mechanism |
| CN103306622B (en) * | 2013-06-06 | 2015-10-14 | 杨甘生 | Fluid power adding pressure type cord coring drill |
| CN203430457U (en) * | 2013-09-01 | 2014-02-12 | 吉林大学 | Wire-line coring drill bit with longhole inner pipe in place alarming function and pressure detection system thereof |
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- 2013-09-01 CN CN201310388422.6A patent/CN103410463B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2745351C1 (en) * | 2020-09-10 | 2021-03-24 | Акционерное общество "Научно-производственное предприятие "Бурсервис" | Core breaker layout |
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