CN109113786B - Gas extraction device capable of withdrawing drill rod - Google Patents
Gas extraction device capable of withdrawing drill rod Download PDFInfo
- Publication number
- CN109113786B CN109113786B CN201811191682.3A CN201811191682A CN109113786B CN 109113786 B CN109113786 B CN 109113786B CN 201811191682 A CN201811191682 A CN 201811191682A CN 109113786 B CN109113786 B CN 109113786B
- Authority
- CN
- China
- Prior art keywords
- drill
- seat
- gas extraction
- shaped
- rod
- 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.)
- Active
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 43
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 3
- 238000000429 assembly Methods 0.000 claims 3
- 239000011435 rock Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a gas extraction device capable of withdrawing a drill rod, which can conveniently withdraw the drill rod, and after the drill rod is drilled, the gas extraction pipe is fed into the drill hole before the drill rod is withdrawn, so that the phenomenon of blockage in the drill hole caused by pushing out the drill rod can be prevented, and the gas extraction device is especially suitable for coal mine gas extraction which is easy to block the drill hole such as soft rock.
Description
Technical Field
The invention relates to a drill rod-withdrawable gas extraction device, and belongs to the technical field of gas extraction equipment.
Background
At present, a gas extraction pipe is paved in a drilling hole of a coal seam, then the gas extraction pipe is utilized to carry out vacuum suction on the drilling hole, gas is extracted, the gas extraction mode needs to be paved in the drilling hole of the coal seam, a drill rod is firstly drilled in the coal seam, then the drill rod is extracted, the gas extraction pipe stretches into the drilling hole, and for soft rock, after the drill rod is withdrawn, the drilling hole is easy to collapse or the gas extraction pipe is difficult to stretch into the drilling hole, and for this reason, the drill rod needs to be reserved in the drilling hole in some occasions, the drill rod is used as the gas extraction pipe, or the gas extraction pipe stretches into the drill rod, so that the drill rod generates great waste, the gas extraction efficiency is influenced, and the gas extraction cost is improved.
The invention aims at the problems and provides the drill rod-type gas extraction device capable of being withdrawn, so that the laying efficiency and stability of the gas extraction pipe are improved.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can withdraw from drilling rod formula gas drainage device, it includes drilling equipment, drilling rod, gas drainage ware, gas drainage pipe and split type drill bit subassembly, wherein, the rear end of drilling rod with drilling equipment detachable connects, the drilling rod is hollow structure, just the front end of drilling rod is provided with split type drill bit subassembly, gas drainage ware with the rear end of gas drainage pipe is connected, be provided with direction slip subassembly in the cavity of drilling rod, the front end of gas drainage pipe stretches into in the direction slip subassembly to with the gas drainage pipe passes through the drilling rod stretches into in the drilling of coal seam, so that the drilling rod withdraws from the drilling, split type drill bit subassembly is in under the push of gas drainage pipe, each split type part of split type drill bit subassembly can be towards the radial outside removal of drilling rod, so that the gas drainage pipe stretches into in the drilling rod, and withdraw from.
Further, preferably, an reamer is further arranged on the outer wall of the rear end of the drill rod, which is positioned on the split drill bit assembly.
Further, as the preference, direction slip subassembly includes retainer plate, center slide and toper director, wherein, the fixed cover of retainer plate is established in the cavity of drilling rod, the fixed center slide that is provided with in the centre bore internal fixation of retainer plate, the gas drainage pipe stretches into and can follow the center slide slides, the outside of retainer plate is provided with the toper director, so that the gas drainage pipe stretches into the smooth intracavity of center slide.
Further, as an preference, the split type drill bit assembly includes a plurality of interior fan-shaped drill holders, coupling assembling, outer fan-shaped drill holders and articulated post, wherein, each interior fan-shaped drill holders constitutes a cylindrical structure jointly, and each outer fan-shaped drill holders constitutes a ring structure jointly, and this ring structure with the cylindrical structure of interior fan-shaped drill holders is coaxial to be laid, every adopt coupling assembling links together between interior fan-shaped drill holders and the corresponding outer fan-shaped drill holders thereof, the outer end of outer fan-shaped drill holders articulates through the articulated post and sets up on the articulated ear of drilling rod tip, be provided with the dog on the inner wall of drilling rod, outer fan-shaped drill holders passes through the dog is spacing, be provided with outer drill bit on the outer fan-shaped drill holders, but on the inner fan-shaped drill holders closely be provided with the drill bit, coupling assembling makes interior fan-shaped drill holders with but the distance telescopic adjustment between the outer fan-shaped drill holders, just between interior fan-shaped drill holders with the outer fan-shaped drill holders can not rotate the setting.
Further, as the preference, coupling assembling includes guide bar, slip spacing seat, spring and supports and lean on the reed, wherein, the one end of guide bar is fixed on the outer fan-shaped drill seat, the one end of slip spacing seat is also fixed on the outer fan-shaped drill seat, the other end of guide bar stretches into in the guiding hole of interior fan-shaped drill seat, still be provided with on the interior fan-shaped drill seat and search for the spacing hole that the slip spacing seat carries out sliding fit and spacing with the su, slip spacing seat with be provided with between the diapire of spacing hole and support and lean on the reed, slip spacing seat with still be provided with between the outer fan-shaped drill seat the spring.
Further, as an preference, an auxiliary blocking seat is further arranged between the stop block and the outer fan-shaped drill seat, the auxiliary blocking seat is hinged to the drill rod by adopting a hinge shaft, a positioning auxiliary groove is formed in one side of the auxiliary blocking seat, which faces the inner fan-shaped drill seat, a positioning auxiliary seat is arranged at the position, corresponding to the positioning auxiliary groove, of the inner fan-shaped drill seat, and the positioning auxiliary seat can extend into and extend out of the positioning auxiliary groove.
Further, preferably, the end of the positioning auxiliary seat is a guiding tip structure with an inclined plane, and the inclined plane of the guiding tip structure is inclined towards the radial inner direction of the drill rod, so that the positioning auxiliary seat can extend into the positioning auxiliary groove, an elastic pad is arranged on the innermost wall of the positioning auxiliary groove, and the elastic pad abuts against the guiding tip structure.
Further, preferably, a limiting shoulder is further provided on the hinge shaft on the auxiliary blocking seat, and a limiting shoulder seat for limiting the rotation angle of the limiting shoulder is provided on the drill rod at a position corresponding to the limiting shoulder.
Further, preferably, a trapezoid groove is formed in one side, extending into the drill rod, of the inner fan-shaped drill seat, and the trapezoid groove facilitates the gas extraction pipe to apply ejection force to the inner fan-shaped drill seat.
Further preferably, when the gas extraction pipe is used to apply an ejection force to the inner sector drill base, the drill rod is extracted a distance so that the drill bit is positioned at a position after the reamer is reamed.
Compared with the prior art, the invention has the beneficial effects that:
the gas extraction device capable of withdrawing the drill rod can conveniently extract the drill rod, and after the drill rod is drilled, the gas extraction pipe is fed into the drill hole before the drill rod is extracted, so that the phenomenon of blockage in the drill hole caused by pushing out the drill rod can be prevented, the gas extraction device is particularly suitable for coal mine gas extraction of soft rock and the like which are easy to block the drill hole.
Drawings
FIG. 1 is a schematic diagram of a gas extraction apparatus with a retractable drill pipe;
FIG. 2 is a schematic side view of a split drill bit assembly of the withdrawable drilling rod gas extraction apparatus of the present invention;
FIG. 3 is a schematic diagram of a side view partially enlarged construction of a split drill bit assembly of the withdrawable drilling rod gas extraction apparatus of the present invention;
fig. 4 is a schematic diagram of a front view of a split drill bit assembly of the withdrawable drilling rod type gas extraction device according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: can withdraw from drilling rod formula gas drainage device, it includes drilling equipment, drilling rod 2, gas drainage ware, gas drainage pipe 5 and split type drill bit subassembly 4, wherein, the rear end of drilling rod 2 with drilling equipment detachable is connected, drilling rod 2 is hollow structure, just the front end of drilling rod 2 is provided with split type drill bit subassembly 4, gas drainage ware with the rear end of gas drainage pipe 5 is connected, be provided with direction slip subassembly in the cavity of drilling rod, the front end of gas drainage pipe 5 stretches into in the direction slip subassembly 7, so that pass through the gas drainage pipe in the drilling of drilling rod into the coal seam, split type drill bit subassembly 4 is in under the push of gas drainage pipe, each split type drill bit subassembly 4 split type part can be towards the radial outside removal of drilling rod, so that gas drainage pipe 5 stretches into in the drilling, and withdraw from.
In this embodiment, the drill rod is further provided with a reamer 3 on the outer wall of the rear end of the split drill bit assembly. The guiding sliding assembly comprises a fixed ring, a central sliding seat 6 and a conical guide 8, wherein the fixed ring is fixedly sleeved in a hollow cavity of the drill rod 2, the central sliding seat 6 is fixedly arranged in a central hole of the fixed ring, the gas extraction pipe 5 stretches into and can slide along the central sliding seat 6, and the conical guide 8 is arranged on the outer side of the fixed ring so that the gas extraction pipe stretches into a sliding cavity of the central sliding seat.
In this embodiment, the split drill bit assembly includes a plurality of inner sector drill holders 17, a connecting assembly 19, an outer sector drill holder 10 and a hinge post 9, where each inner sector drill holder 17 forms a cylindrical structure together, each outer sector drill holder 10 forms a circular ring structure together, the circular ring structure and the cylindrical structure of the inner sector drill holder are coaxially arranged, each inner sector drill holder 17 and its corresponding outer sector drill holder 10 are connected together by adopting the connecting assembly 19, the outer end of the outer sector drill holder is hinged on a hinge lug at the end of the drill rod through the hinge post 9, a stop 15 is arranged on the inner wall of the drill rod, the outer sector drill holder is limited by the stop 15, an outer drill bit 11 is arranged on the outer sector drill holder, an inner drill bit 12 is densely arranged on the inner sector drill holder, the connecting assembly makes the distance between the inner sector drill holder and the outer sector drill holder adjustable, and the inner sector drill holder 17 and the outer sector drill holder 10 are not rotatable.
As a better embodiment, the connecting component comprises a guide rod, a sliding limit seat, a spring and a propping reed, wherein one end of the guide rod is fixed on the outer fan-shaped drill seat, one end of the sliding limit seat is also fixed on the outer fan-shaped drill seat, the other end of the guide rod stretches into a guide hole of the inner fan-shaped drill seat, a limit hole which is in sliding fit with the thresh sliding limit seat and is limited is further formed in the inner fan-shaped drill seat, the propping reed is arranged between the sliding limit seat and the bottom wall of the limit hole, and the spring is further arranged between the sliding limit seat and the outer fan-shaped drill seat.
An auxiliary blocking seat 13 is further arranged between the stop block and the outer fan-shaped drill seat, the auxiliary blocking seat 13 is hinged to the drill rod 2 by adopting a hinge shaft 14, one side of the auxiliary blocking seat 13, which faces the inner fan-shaped drill seat, is provided with a positioning auxiliary groove, the position, corresponding to the positioning auxiliary groove, of the inner fan-shaped drill seat is provided with a positioning auxiliary seat 16, and the positioning auxiliary seat can extend into and extend out of the positioning auxiliary groove.
The tip of location auxiliary seat is the direction pointed end structure 20 that has the inclined plane, and the inclined plane of direction pointed end structure is towards the radial inboard direction slope of drilling rod, is convenient for the location auxiliary seat stretches into in the location auxiliary groove, location auxiliary groove inner wall is provided with elastic pad 21, elastic pad supports and leans on direction pointed end structure sets up.
And a limiting shoulder is further arranged on the hinge shaft on the auxiliary baffle seat, and a limiting shoulder seat 22 for limiting the rotation angle of the limiting shoulder is arranged on the drill rod at a position corresponding to the limiting shoulder. A trapezoid groove is formed in one side, extending into the drill rod, of the inner fan-shaped drill seat, and the trapezoid groove facilitates the gas extraction pipe to apply ejection force to the inner fan-shaped drill seat. When the gas extraction pipe is used for exerting ejection force on the inner fan-shaped drill seat, the drill rod is firstly extracted for a certain distance, so that the drill bit is positioned at the position after the reamer is reamed.
The gas extraction device capable of withdrawing the drill rod can conveniently extract the drill rod, and after the drill rod is drilled, the gas extraction pipe is fed into the drill hole before the drill rod is extracted, so that the phenomenon of blockage in the drill hole caused by pushing out the drill rod can be prevented, the gas extraction device is particularly suitable for coal mine gas extraction of soft rock and the like which are easy to block the drill hole.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The device is characterized by comprising drilling equipment, a drill rod, a gas extraction device, a gas extraction pipe and a split drill bit assembly, wherein the rear end of the drill rod is detachably connected with the drilling equipment, the drill rod is of a hollow structure, the split drill bit assembly is arranged at the front end of the drill rod, the gas extraction device is connected with the rear end of the gas extraction pipe, a guide sliding assembly is arranged in a hollow cavity of the drill rod, the front end of the gas extraction pipe stretches into the guide sliding assembly so as to stretch the gas extraction pipe into a drill hole of a coal seam through the drill rod, so that the drill rod can conveniently withdraw from the drill hole, and the split drill bit assembly is pushed by the gas extraction pipe, and each split part of the split drill bit assembly can move towards the radial outer side of the drill rod so that the gas extraction pipe stretches into the drill hole and withdraws from the drill rod;
an reamer is further arranged on the outer wall of the rear end of the drill rod, which is positioned on the split drill bit assembly;
the guiding sliding assembly comprises a fixed ring, a central sliding seat and a conical guider, wherein the fixed ring is fixedly sleeved in a hollow cavity of the drill rod, the central sliding seat is fixedly arranged in a central hole of the fixed ring, the gas extraction pipe stretches into and can slide along the central sliding seat, and the conical guider is arranged on the outer side of the fixed ring so that the gas extraction pipe stretches into a sliding cavity of the central sliding seat;
the split type drill bit assembly comprises a plurality of inner fan-shaped drill seats, connecting assemblies, outer fan-shaped drill seats and hinging columns, wherein each inner fan-shaped drill seat jointly forms a cylindrical structure, each outer fan-shaped drill seat jointly forms a circular ring structure, the circular ring structure and the cylindrical structure of each inner fan-shaped drill seat are coaxially distributed, each inner fan-shaped drill seat and the corresponding outer fan-shaped drill seat are connected together through the connecting assemblies, the outer end of each outer fan-shaped drill seat is hinged on a hinging lug at the end part of a drill rod through the hinging column, a stop block is arranged on the inner wall of the drill rod, each outer fan-shaped drill seat is limited by the stop block, an outer drill bit is arranged on each outer fan-shaped drill seat, inner drill bits are densely arranged on each inner fan-shaped drill seat, the connecting assemblies enable the distance between each inner fan-shaped drill seat and each outer fan-shaped drill seat to be telescopically adjusted, and the inner fan-shaped drill seat and the outer fan-shaped drill seat are rotatably arranged;
a trapezoid groove is formed in one side, extending into the drill rod, of the inner fan-shaped drill seat, and the trapezoid groove facilitates the gas extraction pipe to apply ejection force to the inner fan-shaped drill seat;
when the gas extraction pipe is used for exerting ejection force on the inner fan-shaped drill seat, the drill rod is firstly extracted for a certain distance, so that the drill bit is positioned at the position after the reamer is reamed.
2. The withdrawable drill pipe type gas extraction device according to claim 1, wherein: the connecting assembly comprises a guide rod, a sliding limiting seat, a spring and a propping reed, wherein one end of the guide rod is fixed on the outer fan-shaped drill seat, one end of the sliding limiting seat is also fixed on the outer fan-shaped drill seat, the other end of the guide rod stretches into a guide hole of the inner fan-shaped drill seat, a limiting hole which is in sliding fit with the sliding limiting seat and limiting is formed in the inner fan-shaped drill seat, the propping reed is arranged between the sliding limiting seat and the bottom wall of the limiting hole, and the spring is also arranged between the sliding limiting seat and the outer fan-shaped drill seat.
3. The withdrawable drill pipe type gas extraction device according to claim 2, wherein: the auxiliary baffle seat is hinged to the drill rod by a hinge shaft, a positioning auxiliary groove is formed in one side of the inner fan-shaped drill seat, a positioning auxiliary seat is arranged at the position, corresponding to the positioning auxiliary groove, of the inner fan-shaped drill seat, and the positioning auxiliary seat can extend into and extend out of the positioning auxiliary groove.
4. The withdrawable pipe gas extraction apparatus as defined in claim 3, wherein: the tip of location auxiliary seat is the direction pointed end structure that has the inclined plane, and the inclined plane of direction pointed end structure inclines towards the radial inboard direction of drilling rod, is convenient for the location auxiliary seat stretches into in the location auxiliary groove, location auxiliary groove is provided with the elastic cushion at the inner wall, the elastic cushion supports and leans on direction pointed end structure sets up.
5. The withdrawable drill pipe type gas extraction apparatus as claimed in claim 4, wherein: the auxiliary baffle seat is characterized in that a limiting shoulder is further arranged on the hinge shaft on the auxiliary baffle seat, and a limiting shoulder seat for limiting the rotation angle of the limiting shoulder is arranged on the drill rod at a position corresponding to the limiting shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191682.3A CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191682.3A CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109113786A CN109113786A (en) | 2019-01-01 |
| CN109113786B true CN109113786B (en) | 2023-09-08 |
Family
ID=64854207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811191682.3A Active CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109113786B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943346B (en) * | 2021-01-29 | 2023-03-21 | 河南理工大学 | Three-dimensional gas extraction mechanism for complex rock stratum |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6397946B1 (en) * | 1994-10-14 | 2002-06-04 | Smart Drilling And Completion, Inc. | Closed-loop system to compete oil and gas wells closed-loop system to complete oil and gas wells c |
| US7036610B1 (en) * | 1994-10-14 | 2006-05-02 | Weatherford / Lamb, Inc. | Apparatus and method for completing oil and gas wells |
| CN101525982A (en) * | 2008-03-04 | 2009-09-09 | 煤炭科学研究总院西安研究院 | Drill bit with removable inner core for drilling |
| CN202673167U (en) * | 2012-06-14 | 2013-01-16 | 平顶山冠宏矿山技术装备有限公司 | Three-arris drill pipe special for coal mine underground gas drainage |
| CN202755893U (en) * | 2012-03-15 | 2013-02-27 | 田召 | Gas drainage drill bit capable of being embedded with exhaust pipe |
| CN202832212U (en) * | 2012-09-19 | 2013-03-27 | 张卫星 | Drill for gas draining hole |
| CN203035089U (en) * | 2013-04-17 | 2013-07-03 | 山东九商工程机械有限公司 | Split type special drill for drawing out methane |
| CN203669921U (en) * | 2014-01-24 | 2014-06-25 | 河南理工大学 | Soft and broken coal seam gas extraction hole drilling with casing device |
| CN104165029A (en) * | 2013-05-20 | 2014-11-26 | 河南理工大学 | Gas extraction method for underground coal mine full-length drill hole |
| CN204113194U (en) * | 2014-10-16 | 2015-01-21 | 安徽理工大学 | A kind of gas drilling hole sealing device integrating pressure measurement and extraction function |
| CN204609784U (en) * | 2015-04-21 | 2015-09-02 | 李定启 | A kind of soft seam setting of casing locking-type combined drill |
| CN205297347U (en) * | 2016-01-11 | 2016-06-08 | 河南理工大学 | Combined type drill bit that colliery gas drainage hole guard aperture was used |
| CN106285484A (en) * | 2011-11-27 | 2017-01-04 | 张卫星 | A kind of coal mine gas drainage holes drill bit using method |
| CN205876263U (en) * | 2016-08-21 | 2017-01-11 | 安徽理工大学 | Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device |
| CN107191172A (en) * | 2017-07-10 | 2017-09-22 | 河南理工大学 | Sealing of hole, hydraulic fracturing and gas pumping integrative construction device and its construction method |
| CN209115146U (en) * | 2018-10-12 | 2019-07-16 | 安徽理工大学 | Drilling rod formula gas drainage device can be exited |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201513130U (en) * | 2009-09-11 | 2010-06-23 | 上海金泰工程机械有限公司 | Key transmission telescopic multilayer drill rod internally provided with multiple continuous channels |
| CN202689940U (en) * | 2012-07-26 | 2013-01-23 | 田建伟 | Gas drainage drill bit |
| CN203403823U (en) * | 2013-07-25 | 2014-01-22 | 刘玉秋 | Rectangular hole drilling machine |
| CN203701968U (en) * | 2013-10-17 | 2014-07-09 | 河南理工大学 | Hole protection type drilling device for soft coal seamdrilling |
| CN104790900A (en) * | 2015-02-12 | 2015-07-22 | 四川大学 | Method for blocking gas extraction boreholes with coal and rock debris as borehole sealing material |
| CN114320164B (en) * | 2022-01-04 | 2024-04-16 | 中赟国际工程有限公司 | Adjustable drill bit for coal mine gas extraction drilling and use method thereof |
| CN115807619B (en) * | 2022-12-30 | 2023-04-21 | 山西省水利建筑工程局集团有限公司 | Vibration spiral drilling and dredging device for hydraulic engineering |
-
2018
- 2018-10-12 CN CN201811191682.3A patent/CN109113786B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6397946B1 (en) * | 1994-10-14 | 2002-06-04 | Smart Drilling And Completion, Inc. | Closed-loop system to compete oil and gas wells closed-loop system to complete oil and gas wells c |
| US7036610B1 (en) * | 1994-10-14 | 2006-05-02 | Weatherford / Lamb, Inc. | Apparatus and method for completing oil and gas wells |
| CN101525982A (en) * | 2008-03-04 | 2009-09-09 | 煤炭科学研究总院西安研究院 | Drill bit with removable inner core for drilling |
| CN106285484A (en) * | 2011-11-27 | 2017-01-04 | 张卫星 | A kind of coal mine gas drainage holes drill bit using method |
| CN202755893U (en) * | 2012-03-15 | 2013-02-27 | 田召 | Gas drainage drill bit capable of being embedded with exhaust pipe |
| CN202673167U (en) * | 2012-06-14 | 2013-01-16 | 平顶山冠宏矿山技术装备有限公司 | Three-arris drill pipe special for coal mine underground gas drainage |
| CN202832212U (en) * | 2012-09-19 | 2013-03-27 | 张卫星 | Drill for gas draining hole |
| CN203035089U (en) * | 2013-04-17 | 2013-07-03 | 山东九商工程机械有限公司 | Split type special drill for drawing out methane |
| CN104165029A (en) * | 2013-05-20 | 2014-11-26 | 河南理工大学 | Gas extraction method for underground coal mine full-length drill hole |
| CN203669921U (en) * | 2014-01-24 | 2014-06-25 | 河南理工大学 | Soft and broken coal seam gas extraction hole drilling with casing device |
| CN204113194U (en) * | 2014-10-16 | 2015-01-21 | 安徽理工大学 | A kind of gas drilling hole sealing device integrating pressure measurement and extraction function |
| CN204609784U (en) * | 2015-04-21 | 2015-09-02 | 李定启 | A kind of soft seam setting of casing locking-type combined drill |
| CN205297347U (en) * | 2016-01-11 | 2016-06-08 | 河南理工大学 | Combined type drill bit that colliery gas drainage hole guard aperture was used |
| CN205876263U (en) * | 2016-08-21 | 2017-01-11 | 安徽理工大学 | Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device |
| CN107191172A (en) * | 2017-07-10 | 2017-09-22 | 河南理工大学 | Sealing of hole, hydraulic fracturing and gas pumping integrative construction device and its construction method |
| CN209115146U (en) * | 2018-10-12 | 2019-07-16 | 安徽理工大学 | Drilling rod formula gas drainage device can be exited |
Non-Patent Citations (1)
| Title |
|---|
| 松软煤层群穿层钻孔全程筛管下放瓦斯抽采技术;程建圣;;矿业安全与环保(02);87-90 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109113786A (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109113786B (en) | Gas extraction device capable of withdrawing drill rod | |
| CN110376028B (en) | Coal seam gas sampling and collecting device for coal mine | |
| CN217538579U (en) | Reamer for geological exploration | |
| CN106639877B (en) | Variable-track drilling method and device | |
| CN211784444U (en) | Road engineering detects uses road bed compactness detection device | |
| CN211138817U (en) | Drawing compasses with compasses point protection architecture | |
| CN110220739B (en) | Sampling device is used in ground reconnaissance | |
| CN112177533A (en) | PDC drill bit for directional drilling | |
| CN205661211U (en) | Portable removes blackboard | |
| CN209115146U (en) | Drilling rod formula gas drainage device can be exited | |
| CN208137846U (en) | Water drilling drilling machine mounting structure is adjusted in rotating disc type | |
| CN218759720U (en) | Reaming structure | |
| CN202194578U (en) | Dedicated chassis for rotary drilling rig | |
| CN116593205A (en) | Soil detector | |
| CN207813501U (en) | A kind of geological foundation exploration Counterboring apparatus | |
| CN114278241B (en) | Sleeve type coring reamer based on hydraulic drive for deep mining of coal mine | |
| CN214944235U (en) | Supporting equipment for ore construction | |
| CN214463914U (en) | Boring bit for building exploration and drilling | |
| CN110439553B (en) | Underground coal mine grooving machine | |
| CN211840253U (en) | Reamer for geological exploration | |
| CN212414082U (en) | Tree support frame | |
| GB1221159A (en) | Oil well drill pipe handling apparatus | |
| CN207850382U (en) | A kind of multi-functional architectural design special measurement device | |
| CN219282976U (en) | Mine geophysical prospecting instrument convenient to erect | |
| CN221194976U (en) | Drilling equipment for movable surface mine explosion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |