CN106812489A - Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling - Google Patents

Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling Download PDF

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Publication number
CN106812489A
CN106812489A CN201510842514.6A CN201510842514A CN106812489A CN 106812489 A CN106812489 A CN 106812489A CN 201510842514 A CN201510842514 A CN 201510842514A CN 106812489 A CN106812489 A CN 106812489A
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CN
China
Prior art keywords
spring
joint
nested
valve body
self
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510842514.6A
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Chinese (zh)
Inventor
许华松
吴胜涛
熊海书
雷璇
熊得斌
杜斌
周红心
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN GOLD MINE LOCATING MACHINERY CO Ltd
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WUHAN GOLD MINE LOCATING MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUHAN GOLD MINE LOCATING MACHINERY CO Ltd filed Critical WUHAN GOLD MINE LOCATING MACHINERY CO Ltd
Priority to CN201510842514.6A priority Critical patent/CN106812489A/en
Publication of CN106812489A publication Critical patent/CN106812489A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/12Grappling tools, e.g. tongs or grabs
    • E21B31/20Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/09Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention discloses a kind of single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling, the rear end for dragging for spearhead offers spring cavity, this is dragged for spearhead and is nested with lance seat is dragged for by the spring cavity, and be flexibly connected with lance seat is dragged for by bearing pin, the front end for dragging for lance seat opens up fluted, the spring top cover is arranged on and drags in the spring cavity of spearhead, the rear end of the spring top cover is provided with hemispherical projections, the hemispherical projections are embedded in the groove for dragging for lance seat front end, the axis of cone spring is arranged in spring top cover, the front end of the recovery tube is nested with lance seat is dragged for, and be fixedly connected by bearing pin with lance seat is dragged for, the front end for playing card holder is nested with inside the rear end of recovery tube, corresponding bullet draw-in groove is offered respectively on the recovery tube and bullet card holder, the method have the advantages that:The self-closing device alarm high precision, reaction speed is fast, the error for not only eliminating artificial judgement by rule of thumb and producing, and can effectively improve drilling efficiency, it is to avoid the generation of burning of bits phenomenon.

Description

Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling
Technical field
The present invention relates to the technical field of drilling tool, more particularly to the technical field of core bit.
Background technology
Core plugging notifying mechanism of rope core drilling is called and do not carry brill core bit, and its feature is, when core fills inner tube, not carry brill and from drilling rod inner tube is fished for rope salvaging device and obtain core.Compared with simple drill, core plugging notifying mechanism of rope core drilling has drilling effect good, and drilling efficiency is high, and the low advantage of drilling cost looks for one of main tool of ore deposit at present as China.At present, the core plugging notifying mechanism of rope core drilling that domestic Prospecting enterprise is used is mostly without alarm device, operating personnel cannot judge inner tube assembly when reach outer pipe assembly in precalculated position, when drilling can be started, also cannot intuitive judgment core whether fill up inner tube, can only rule of thumb judge whether core fills up.And manually judge often to judge not accurate enough, may not also reach precalculated position in inner tube assembly just starts drilling, causes badly damaged to drilling tool;And just inner tube assembly is lifted in core also unfilled inner tube usually, drilling efficiency is influenceed;If drilling tool is blocked in drilling process, according to artificial judgment it is difficult to find in time, the badly damaged of drilling tool is easily caused.It is expensive and with the drilling tool of alarm device, often structure is complex on the market at present, it is easily damaged.
The content of the invention
The purpose of the present invention is exactly to provide a kind of simple structure to solve above-mentioned deficiency, reasonable in design, and alarm is accurate, and drilling efficiency is high, can effectively protect the single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling of drilling tool.
The technical solution that in order to solve the above-mentioned technical problem present invention uses is as follows:
Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling,It is mainly included drags for spearhead,Axis of cone spring,Spring top cover,Drag for lance seat,Tension spring,Paired clamp,Play deck,Recovery tube,Play card holder,Valve body spring,Valve body,Back stop,Locating ring,Spring,Regulation plug,Suspension joint,Hanging ring,Stifled valve,Joint,Self-closing axle,Sliding sleeve,Disc spring,Adjusting nut,Locking nut,Bearing cage,Bearing block,Paired bearing,Spring housing,Self-closing axle spring,Self-closing axle nut,Regulation joint,Steel ball,Nut,Core barrel,Jump ring baffle ring,Jump ring and clip spring seat,The rear end for dragging for spearhead offers spring cavity,This is dragged for spearhead and is nested with lance seat is dragged for by the spring cavity,And be flexibly connected with lance seat is dragged for by bearing pin,The front end for dragging for lance seat opens up fluted,The spring top cover is arranged on and drags in the spring cavity of spearhead,The rear end of the spring top cover is provided with hemispherical projections,The hemispherical projections are embedded in the groove for dragging for lance seat front end,The axis of cone spring is arranged in spring top cover,The front end of the recovery tube is nested with lance seat is dragged for,And be fixedly connected by bearing pin with lance seat is dragged for,The front end for playing card holder is nested with inside the rear end of recovery tube,Corresponding bullet draw-in groove is offered respectively on the recovery tube and bullet card holder,The bullet deck and paired clamp are arranged on by bearing pin play in card holder respectively,The paired clamp rear portion is in contact with deck is played,The two ends of the tension spring are separately mounted on paired clamp,The rear end for playing card holder offers valve body cavity,The front end of valve body is plugged in the valve body cavity,The front end is in contact by valve body spring with valve body cavity,The valve body is movably arranged in the valve body cavity for playing card holder rear end by bearing pin,The back stop is nested with valve body and is in contact with bullet card holder,The locating ring is nested with valve body and is in contact with back stop,The spring is nested with valve body,Regulation plug is threadedly coupled with the rear end for playing card holder,The regulation plug puts on valve body springlock,The suspension joint is in hollow form,The front end of the suspension joint is nested with regulation plug,And be threadedly coupled with the rear end for playing card holder,Inlet opening is offered on the suspension joint,The rear end of the valve body is plugged in suspension joint,Stifled valve seat is provided with the suspension joint,At the stifled valve seat that stifled valve is fixed on valve body and is located in suspension joint,The joint is in hollow form,The front end of the joint is threadedly coupled with the rear end of suspension joint,Apopore is offered on the joint,The hanging ring is nested with suspension joint and is located between suspension joint and joint,The front end of the self-closing axle is fixedly mounted in joint by bearing pin,The front end of sliding sleeve is nested with the rearward end in joint,The adjusting nut is nested with self-closing axle and is threadedly coupled with sliding sleeve,The locking nut is located on adjusting nut and is in contact with sliding sleeve,The disc spring is nested with self-closing axle and is located in sliding sleeve in row,The bearing cage is nested with self-closing axle,And be in contact with adjusting nut,The paired bearing and bearing block are nested with self-closing axle respectively,The bearing seat is between paired bearing,The paired bearing is made up of fore bearing and rear bearing,Fore bearing is located in bearing cage,The front end of the spring housing is threadedly coupled with the rear end of bearing block,The self-closing axle spring is fixed by self-closing axle nut and is nested with self-closing axle,And in spring housing,The rearward end of the spring housing opens up fluted,The leading section threaded connection of the regulation joint is arranged in the groove,The steel ball is placed in the groove,Through hole is offered on the spring housing,The through hole is connected with the groove,The nut is arranged on regulation joint,And be in contact with spring housing,The rear end threaded connection of the front end and regulation joint of the core barrel,Core barrel is connected by adjusting joint with the groove of spring housing,The clip spring seat is threadedly coupled with the rear end of core barrel,Jump ring baffle ring and jump ring are separately mounted in clip spring seat.
The leading section for dragging for spearhead is in cone.
The stifled valve is dish-shaped.
It is of the invention to be using the above-mentioned technical solution beneficial effect to be reached:Be increased on the basis of common core plugging notifying mechanism of rope core drilling by valve body, valve body spring, stifled valve, the alarm device of the compositions such as suspension joint, precalculated position in inner tube assembly transfers to outer pipe assembly, when hanging ring falls on seat ring, now, the path of flushing liquor is blocked, force flushing liquor to flow to change, flushing liquor is set to be flowed into suspension joint from the inlet opening of suspension joint, and overcome the pressure of valve body spring and spring to move downward stifled valve, open passage of irrigation fluid, simultaneously, pressure on the water-aspirator pressure table of ground can substantially rise, represent that now inner tube assembly has reached drilling position, cleaning bottom of hole drilling can be started, the alarm apparatus structure is simple, alarm is accurate, and be hardly damaged;Simultaneously, the drilling tool increased by self-closing axle on the basis of common core plugging notifying mechanism of rope core drilling, disc spring, the self-closing device of the compositions such as sliding sleeve, after core is blocked or fills up core barrel, plug the current return circuit of flushing liquor, inner tube assembly is subject to upward ejection force, sliding sleeve is set to overcome the pressure of disc spring to move up, by the water outlet hole plug on joint, now the pressure on ground water-aspirator pressure table can substantially rise, represent that now core barrel inner cores have been blocked or had been filled with, can carry out proposing brill operation, the self-closing device alarm high precision, reaction speed is fast, the error for not only eliminating artificial judgement by rule of thumb and producing, and drilling efficiency can be effectively improved, avoid the generation of burning of bits phenomenon.
Brief description of the drawings
Fig. 1 is the structural representation of a part of the invention;
Fig. 2 is the structural representation of two part of the invention;
Fig. 3 is the structural representation of three part of the invention;
Fig. 4 is tetrameric structural representation of the invention.
Specific embodiment
By Fig. 1,Fig. 2,Shown in Fig. 3 and Fig. 4,Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling,It is mainly included drags for spearhead 1,Axis of cone spring 2,Spring top cover 3,Drag for lance seat 4,Tension spring 5,Paired clamp 6,Play deck 7,Recovery tube 8,Play card holder 9,Valve body spring 10,Valve body 11,Back stop 12,Locating ring 13,Spring 14,Regulation plug 15,Suspension joint 16,Hanging ring 17,Stifled valve 18,Joint 19,Self-closing axle 20,Sliding sleeve 21,Disc spring 22,Adjusting nut 23,Locking nut 24,Bearing cage 25,Bearing block 26,Paired bearing,Spring housing 28,Self-closing axle spring 29,Self-closing axle nut 30,Regulation joint 31,Steel ball 32,Nut 33,Core barrel 34,Jump ring baffle ring 35,Jump ring 36 and clip spring seat 37,The leading section for dragging for spearhead 1 is in cone,The rear end for dragging for spearhead 1 offers spring cavity 38,This is dragged for spearhead 1 and is nested with lance seat 4 is dragged for by the spring cavity 38,And be flexibly connected with lance seat 4 is dragged for by bearing pin 39,The front end for dragging for lance seat 4 opens up fluted 40,The spring top cover 3 is arranged on and drags in the spring cavity 38 of spearhead 1,The rear end of the spring top cover 3 is provided with hemispherical projections 41,The hemispherical projections 41 are embedded in the groove 40 for dragging for 4 front ends of lance seat,The axis of cone spring 2 is arranged in spring top cover 3,Dragging for spearhead 1 can rotate around bearing pin 39,Convenient use fisher carries out off card operation after salvaging inner tube assembly,The pulling force of axis of cone spring 2 can make to drag for the self-aligning of spearhead 1,Kept on the same axis with inner tube assembly.The front end of the recovery tube 8 is nested with lance seat 4 is dragged for, and be fixedly connected by bearing pin 42 with lance seat 4 is dragged for, the front end for playing card holder 9 is nested with inside the rear end of recovery tube 8, corresponding bullet draw-in groove 43 is offered respectively on the recovery tube 8 and bullet card holder 9, the bullet deck 7 and paired clamp 6 are arranged on by bearing pin 44 play in card holder 9 respectively, the paired rear portion of clamp 6 is in contact with deck 7 is played, the two ends of the tension spring 5 are separately mounted on paired clamp 6, inner tube assembly is behind the precalculated position in entering into outer pipe assembly, holding is distinguished in adapter coupling 55 in the end of paired clamp 6, prevent inner tube assembly from moving up, play position-limiting action.The rear end for playing card holder 9 offers valve body cavity 45,The front end of valve body 11 is plugged in the valve body cavity 45,The front end is in contact by valve body spring 10 with valve body cavity 45,The valve body 11 is movably arranged in the valve body cavity 45 for playing the rear end of card holder 9 by bearing pin 46,The back stop 12 is nested with valve body 11 and is in contact with bullet card holder 9,The locating ring 13 is nested with valve body 11 and is in contact with back stop 12,The spring 14 is nested with valve body 11,Regulation plug 15 is threadedly coupled with the rear end for playing card holder 9,The regulation plug 15 puts on valve body 11 lock of spring 14,The suspension joint 16 is in hollow form,The front end of the suspension joint 16 is nested with regulation plug 15,And be threadedly coupled with the rear end for playing card holder 9,Inlet opening 47 is offered on the suspension joint 16,The rear end of the valve body 11 is plugged in suspension joint 16,Stifled valve seat 48 is provided with the suspension joint 16,At the stifled valve seat 48 that stifled valve 18 is fixed on valve body 11 and is located in suspension joint 16,The stifled valve 18 is dish-shaped,Precalculated position in inner tube assembly transfers to outer pipe assembly,When on the seat ring 56 that hanging ring 17 falls on outer pipe assembly,Now,The path of flushing liquor is blocked,Force flushing liquor to flow to change,Flushing liquor is set to be flowed into suspension joint 16 from the inlet opening 47 of suspension joint 16,And overcome the pressure of valve body spring 10 and spring 14 to move downward stifled valve 18,Open passage of irrigation fluid,Simultaneously,Pressure on the water-aspirator pressure table of ground can substantially rise,Represent that now inner tube assembly has reached drilling position,Cleaning bottom of hole drilling can be started.The joint 19 is in hollow form, the front end of the joint 19 is threadedly coupled with the rear end of suspension joint 16, apopore 49 is offered on the joint 19, the hanging ring 17 is nested with suspension joint 16 and is located between suspension joint 16 and joint 19, the hanging ring 17 is resisted against on seat ring 56, prevent inner tube assembly from moving downward, play position-limiting action.The front end of the self-closing axle 20 is fixedly mounted in joint 19 by bearing pin 50, the front end of sliding sleeve 21 is nested with the rearward end in joint 19, the adjusting nut 23 is nested with self-closing axle 20 and is threadedly coupled with sliding sleeve 21, the locking nut 24 is located on adjusting nut 23 and is in contact with sliding sleeve 21, the disc spring 22 is nested with self-closing axle 20 and is located in sliding sleeve 21 in row, after core is blocked or fills up core barrel 34, plug the current return circuit of flushing liquor, inner tube assembly is subject to upward ejection force, sliding sleeve 21 is set to overcome the pressure of disc spring 22 to move up, apopore 49 on joint 19 is blocked, now the pressure on ground water-aspirator pressure table can substantially rise, represent that now the inner cores of core barrel 34 have been blocked or had been filled with, can carry out proposing brill operation.The bearing cage 25 is nested with self-closing axle 20, and be in contact with adjusting nut 23, the paired bearing and bearing block 26 are nested with self-closing axle 20 respectively, the bearing block 26 is located between paired bearing, the paired bearing is made up of fore bearing 51 and rear bearing 52, fore bearing 51 is located in bearing cage 25, the front end of the spring housing 28 is threadedly coupled with the rear end of bearing block 26, the paired bearing can make the part of inner tube assembly bearing block more than 26 follow outer pipe assembly to rotate together, prevent paired clamp 6 from being rubbed with outer pipe assembly, prevent core barrel 34 from rotating simultaneously.The self-closing axle spring 29 is fixed by self-closing axle nut 30 and is nested with self-closing axle 20, and in spring housing 28, the rearward end of the spring housing 28 opens up fluted 53, the leading section threaded connection of the regulation joint 31 is arranged in the groove 53, the steel ball 32 is placed in the groove 53, and through hole 54 is offered on the spring housing 28, and the through hole 54 is connected with the groove 53, the steel ball 32 and regulation joint 31 can form a check valve apparatus, only allow the flushing liquor of backflow to pass through.The nut 33 is arranged on regulation joint 31, and be in contact with spring housing 28, the rear end threaded connection of the front end and regulation joint 31 of the core barrel 34, core barrel 34 is connected by adjusting joint 31 with the groove 53 of spring housing 28, the clip spring seat 37 is threadedly coupled with the rear end of core barrel 34, jump ring baffle ring 35 and jump ring 36 are separately mounted in clip spring seat 37, the distance of step 57 in the adjustment adjustable clamp spring abutment 37 of adjusting nut 23 and drill bit.

Claims (3)

1. single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling, it is characterised in that:It is mainly included drags for spearhead,Axis of cone spring,Spring top cover,Drag for lance seat,Tension spring,Paired clamp,Play deck,Recovery tube,Play card holder,Valve body spring,Valve body,Back stop,Locating ring,Spring,Regulation plug,Suspension joint,Hanging ring,Stifled valve,Joint,Self-closing axle,Sliding sleeve,Disc spring,Adjusting nut,Locking nut,Bearing cage,Bearing block,Paired bearing,Spring housing,Self-closing axle spring,Self-closing axle nut,Regulation joint,Steel ball,Nut,Core barrel,Jump ring baffle ring,Jump ring and clip spring seat,The rear end for dragging for spearhead offers spring cavity,This is dragged for spearhead and is nested with lance seat is dragged for by the spring cavity,And be flexibly connected with lance seat is dragged for by bearing pin,The front end for dragging for lance seat opens up fluted,The spring top cover is arranged on and drags in the spring cavity of spearhead,The rear end of the spring top cover is provided with hemispherical projections,The hemispherical projections are embedded in the groove for dragging for lance seat front end,The axis of cone spring is arranged in spring top cover,The front end of the recovery tube is nested with lance seat is dragged for,And be fixedly connected by bearing pin with lance seat is dragged for,The front end for playing card holder is nested with inside the rear end of recovery tube,Corresponding bullet draw-in groove is offered respectively on the recovery tube and bullet card holder,The bullet deck and paired clamp are arranged on by bearing pin play in card holder respectively,The paired clamp rear portion is in contact with deck is played,The two ends of the tension spring are separately mounted on paired clamp,The rear end for playing card holder offers valve body cavity,The front end of valve body is plugged in the valve body cavity,The front end is in contact by valve body spring with valve body cavity,The valve body is movably arranged in the valve body cavity for playing card holder rear end by bearing pin,The back stop is nested with valve body and is in contact with bullet card holder,The locating ring is nested with valve body and is in contact with back stop,The spring is nested with valve body,Regulation plug is threadedly coupled with the rear end for playing card holder,The regulation plug puts on valve body springlock,The suspension joint is in hollow form,The front end of the suspension joint is nested with regulation plug,And be threadedly coupled with the rear end for playing card holder,Inlet opening is offered on the suspension joint,The rear end of the valve body is plugged in suspension joint,Stifled valve seat is provided with the suspension joint,At the stifled valve seat that stifled valve is fixed on valve body and is located in suspension joint,The joint is in hollow form,The front end of the joint is threadedly coupled with the rear end of suspension joint,Apopore is offered on the joint,The hanging ring is nested with suspension joint and is located between suspension joint and joint,The front end of the self-closing axle is fixedly mounted in joint by bearing pin,The front end of sliding sleeve is nested with the rearward end in joint,The adjusting nut is nested with self-closing axle and is threadedly coupled with sliding sleeve,The locking nut is located on adjusting nut and is in contact with sliding sleeve,The disc spring is nested with self-closing axle and is located in sliding sleeve in row,The bearing cage is nested with self-closing axle,And be in contact with adjusting nut,The paired bearing and bearing block are nested with self-closing axle respectively,The bearing seat is between paired bearing,The paired bearing is made up of fore bearing and rear bearing,Fore bearing is located in bearing cage,The front end of the spring housing is threadedly coupled with the rear end of bearing block,The self-closing axle spring is fixed by self-closing axle nut and is nested with self-closing axle,And in spring housing,The rearward end of the spring housing opens up fluted,The leading section threaded connection of the regulation joint is arranged in the groove,The steel ball is placed in the groove,Through hole is offered on the spring housing,The through hole is connected with the groove,The nut is arranged on regulation joint,And be in contact with spring housing,The rear end threaded connection of the front end and regulation joint of the core barrel,Core barrel is connected by adjusting joint with the groove of spring housing,The clip spring seat is threadedly coupled with the rear end of core barrel,Jump ring baffle ring and jump ring are separately mounted in clip spring seat.
2. single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling according to claim 1, it is characterised in that:The leading section for dragging for spearhead is in cone.
3. single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling according to claim 1, it is characterised in that:The stifled valve is dish-shaped.
CN201510842514.6A 2015-11-29 2015-11-29 Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling Pending CN106812489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510842514.6A CN106812489A (en) 2015-11-29 2015-11-29 Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510842514.6A CN106812489A (en) 2015-11-29 2015-11-29 Single deck tape-recorder type self-closing alarm core plugging notifying mechanism of rope core drilling

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Publication Number Publication Date
CN106812489A true CN106812489A (en) 2017-06-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681194A (en) * 2019-02-13 2019-04-26 中国地质科学院 A kind of wire line coring measurement while drilling and information fishing device
CN110219612A (en) * 2019-07-18 2019-09-10 长沙矿山研究院有限责任公司 The drilling tool inner tube and operational method of seabed coring drilling with keep up pressure
CN110763877A (en) * 2019-10-28 2020-02-07 无锡爱德为科技有限公司 Elastic filter debugging device capable of realizing quantitative debugging
CN111636838A (en) * 2020-06-23 2020-09-08 江西有色地质勘查二队 Double-partition self-locking three-layer pipe rope coring drilling tool for complex stratum

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681194A (en) * 2019-02-13 2019-04-26 中国地质科学院 A kind of wire line coring measurement while drilling and information fishing device
CN110219612A (en) * 2019-07-18 2019-09-10 长沙矿山研究院有限责任公司 The drilling tool inner tube and operational method of seabed coring drilling with keep up pressure
CN110219612B (en) * 2019-07-18 2023-11-28 长沙矿山研究院有限责任公司 Submarine pressure-maintaining coring drilling tool inner pipe and operation method
CN110763877A (en) * 2019-10-28 2020-02-07 无锡爱德为科技有限公司 Elastic filter debugging device capable of realizing quantitative debugging
CN111636838A (en) * 2020-06-23 2020-09-08 江西有色地质勘查二队 Double-partition self-locking three-layer pipe rope coring drilling tool for complex stratum

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