CN106948783A - A kind of bottom hole fixing device and utilize the device coal seam setting of casing pumping method - Google Patents
A kind of bottom hole fixing device and utilize the device coal seam setting of casing pumping method Download PDFInfo
- Publication number
- CN106948783A CN106948783A CN201710317045.5A CN201710317045A CN106948783A CN 106948783 A CN106948783 A CN 106948783A CN 201710317045 A CN201710317045 A CN 201710317045A CN 106948783 A CN106948783 A CN 106948783A
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- China
- Prior art keywords
- fixing device
- bottom hole
- bar
- fixed
- hole fixing
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000005086 pumping Methods 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002969 egg yolk Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Landscapes
- 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)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of bottom hole fixing device and utilizes the device coal seam setting of casing pumping method, it is related to mining technique field, including cylinder, several bar-shaped troughs are uniformly provided with the circumferential surface of cylinder, also include several quantity fixed-wing equal with bar-shaped trough, the fixed-wing is arranged in the bar-shaped trough, one end is rotatably connected on the bottom of the bar-shaped trough, the length of the other end can be taken in bar-shaped trough, reasonable in design of the present invention, sleeve pipe is fixed after can apply to weak seam setting of casing, when exiting drill bit, sleeve pipe will not be taken out of.
Description
Technical field
The present invention relates to mining technique field, and in particular to a kind of bottom hole fixing device and is trapped using the device coal seam
Pipe pumping method.
Background technology
As coal production popularization and mining depth are continuously increased, geological condition of coal mine becomes increasingly complex.Yolk coal
During the geological anomaly zone drilling such as layer, broken coal seam, fault belt, deslagging is difficult, and wall stability is poor, causes bit freezing, burying
It is many etc. drilling accident.Quick down tube technique needs, to after bottom hole under sleeve pipe, because its inner end is not taken root a little, in trip-out
During, guard aperture floral tube is easily taken out of by drilling rod；Must be in trip-out process, using the method for manually propping up or supporting protecting pipe again
Processing, it is comparatively laborious, waste time and energy.
This is directed to, it is necessary to make improvement.
The content of the invention
The invention provides a kind of bottom hole fixing device and using the device coal seam setting of casing pumping method, bottom hole is used
Fixing device realize after drilling in place can smoothly by under sleeve pipe to bottom hole, and the safe efficient, energy-conservation of mash gas extraction improvement.
Several bar-shaped troughs are uniformly provided with a kind of bottom hole fixing device, including cylinder, the circumferential surface of cylinder, are also included
Several quantity fixed-wing equal with bar-shaped trough, the fixed-wing is arranged in the bar-shaped trough, and one end is rotatably connected on institute
The bottom of bar-shaped trough is stated, the length of the other end can be taken in bar-shaped trough.
Further, one end of the bar-shaped trough is provided with rotating shaft is provided with, and one end of the fixed-wing is provided with axis hole, described
Axis hole is connected with rotating shaft, and fixed-wing one end is connected in bar-shaped trough inner rotation.
Further, one end of the fixed-wing is connected with torque spring, and the torque spring is connected to institute by bearing pin
State one end of bar-shaped trough.
Further, the quantity of the bar-shaped trough and fixed-wing is equipped with 4.
Further, one end of the cylinder is also fixedly connected with the second cylinder that a diameter is less than the cylinder, institute
State the axis of the second cylinder to overlap with the axis of cylinder, the fixed-wing rotates the one end connected and hemispherical dome structure positioned at same
Side.
Further, the cylinder is made of PP materials.
The coal seam setting of casing pumping method of a kind of bottom hole fixing device, using above-mentioned bottom hole fixing device, including following step
Suddenly：
1) equipment, including rig, drilling rod, large through-hole open and close type drill bit, sleeve pipe and bottom hole fixing device are prepared；
2) screw of large through-hole open and close type drill bit entablature movable end is unscrewed, jointed rod and rig are drilled；
3) after drilling to predetermined depth, by drilling rod to recession 4-6m, the crossbeam on large through-hole open and close type drill bit is opened；
4) bottom hole fixing device is connected on sleeve pipe, fixed-wing rotates the one end connected down in bottom hole fixing device,
Sleeve pipe and bottom hole fixing device are down inserted at the top of drilling rod together, stretched out until from drill bit bottom, now bottom hole fixes dress
The fixed-wing put is automatically opened up, and is fixed on the rib of bottom hole；
5) finally drill bit is shifted out.
Further, the step 3) in, in drilling rod to before recession, using the coal petrography powder in pressure wind tap.
Further, the drilling rod uses rib drill stem.
Further, the large through-hole opening and closing bit diameter 96mm, casing diameter is 1 inch.
The advantage of the invention is that：Reasonable in design of the present invention, can be used under the inner sleeve of hole pulling out of hole to after bottom hole
Unlikely afterwards that sleeve pipe is extracted, the structure design of fixed-wing is simply used, can be so that promptly the side wall of surrounding, is protected by automatically opening up
Demonstrate,prove grasp, using bottom hole fixing device realize drilling in place after can smoothly by under sleeve pipe to bottom hole.
The method have the advantages that：Being realized by using bottom hole fixing device can be smoothly by sleeve pipe after drilling in place
Under to bottom hole, mash gas extraction administers safe efficient, energy-conservation.
Brief description of the drawings
Fig. 1 is the main structure diagram when fixed-wing of the embodiment of the present invention 1 is packed up；
Fig. 2 is the front view when fixed-wing of the embodiment of the present invention 1 is opened；
Fig. 3 is Fig. 2 left view；
Fig. 4 is fixed-wing and bar-shaped trough rotation connection structure in the embodiment of the present invention 2；
Fig. 5 is the upward view of large through-hole open and close type drill bit.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1
With reference to accompanying drawing 1- Fig. 3, a kind of bottom hole fixing device of the invention, including cylinder 1 is uniform on the circumferential surface of cylinder 1
Several bar-shaped troughs 2 are provided with, also including several quantity fixed-wing 3 equal with bar-shaped trough 2, the fixed-wing 3 is arranged on institute
State in bar-shaped trough 2, one end is rotatably connected on the bottom of the bar-shaped trough 2, the length of the other end can be taken in bar-shaped trough 2.
Further, one end of the bar-shaped trough 2 is provided with rotating shaft 4 is provided with, and one end of the fixed-wing 3 is provided with axis hole,
The axis hole is connected with rotating shaft, and the one end of fixed-wing 3 is connected in the inner rotation of bar-shaped trough 2, passes through fixed-wing 3 itself here
Gravity realizes the opening of fixed-wing 3；
Further, the quantity of the bar-shaped trough 2 and fixed-wing 3 is equipped with 4.
Further, one end of the cylinder 1 is also fixedly connected with the second cylinder 7 that a diameter is less than the cylinder 1,
Second cylinder 7 is used for plug-in-sleeve and sleeve pipe connection during setting of casing, and the axis of second cylinder 7 is overlapped with the axis of cylinder 1,
The outer end of 1 and second cylinder of cylinder 7 is all provided with being set to hemispheric round and smooth structure.
Further, the cylinder 1 is made of PP materials, and intensity is high, high temperature resistant.
The coal seam setting of casing pumping method of a kind of bottom hole fixing device, using above-mentioned bottom hole fixing device, including following step
Suddenly：
1) equipment, including rig, drilling rod, large through-hole open and close type drill bit, sleeve pipe and bottom hole fixing device are prepared；Such as Fig. 5
Shown, large through-hole open and close type drill bit crossbeam one end is fixed (in figure at A) with hinge, and one end can freely be opened, and is crept into normally
In the middle of Cheng Zhong, drill bit crossbeam closure, drill bit can crush coal seam comprehensively, after construction in place hole to be drilled, manually by sleeve pipe elapse to
Drill bit opens crossbeam behind bottom, makes to enter bottom hole under sleeve pipe is smooth；
2) screw of large through-hole open and close type drill bit entablature movable end is unscrewed, jointed rod and rig are drilled；
3) after drilling to predetermined depth, by drilling rod to recession 4-6m, the crossbeam on large through-hole open and close type drill bit is opened；
4) bottom hole fixing device is connected on sleeve pipe, fixed-wing rotates the one end connected down in bottom hole fixing device,
Sleeve pipe and bottom hole fixing device are down inserted at the top of drilling rod together, stretched out until from drill bit bottom, now bottom hole fixes dress
The fixed-wing put is automatically opened up, and is fixed on the rib of bottom hole；
5) finally drill bit is shifted out.
Further, the step 3) in, in drilling rod to before recession, using the coal petrography powder in pressure wind tap.
Further, the drilling rod uses rib drill stem, and such drilling rod internal diameter is larger, can be put into 1 inch sleeve pipe.
Further, the large through-hole opening and closing bit diameter 96mm, casing diameter is 1 inch.
Embodiment 2
With reference to accompanying drawing 1- Fig. 4, a kind of bottom hole fixing device of the invention, including cylinder 1 is uniform on the circumferential surface of cylinder 1
Several bar-shaped troughs 2 are provided with, also including several quantity fixed-wing 3 equal with bar-shaped trough 2, the fixed-wing 3 is arranged on institute
State in bar-shaped trough 2, one end is rotatably connected on the bottom of the bar-shaped trough 2, the length of the other end can be taken in bar-shaped trough 2.
Further, one end of the fixed-wing 3 is connected with torque spring 5, and the torque spring 5 is connected by bearing pin 6
In one end of the bar-shaped trough 2, the normally opened of fixed-wing 3 is realized by the effect of torque spring 5；
Further, the quantity of the bar-shaped trough 2 and fixed-wing 3 is equipped with 4.
Further, one end of the cylinder 1 is also fixedly connected with the second cylinder 7 that a diameter is less than the cylinder 1,
Second cylinder 7 is used for plug-in-sleeve and sleeve pipe connection during setting of casing, and the axis of second cylinder 7 is overlapped with the axis of cylinder 1,
The outer end of 1 and second cylinder of cylinder 7 is all provided with being set to hemispheric round and smooth structure.
Further, the cylinder 1 is made of PP materials, and intensity is high, high temperature resistant.
The coal seam setting of casing pumping method of a kind of bottom hole fixing device, using above-mentioned bottom hole fixing device, including following step
Suddenly：
1) equipment, including rig, drilling rod, large through-hole open and close type drill bit, sleeve pipe and bottom hole fixing device are prepared；
2) screw of large through-hole open and close type drill bit entablature movable end is unscrewed, jointed rod and rig are drilled；
3) after drilling to predetermined depth, by drilling rod to recession 4-6m, the crossbeam on large through-hole open and close type drill bit is opened；
4) bottom hole fixing device is connected on sleeve pipe, fixed-wing rotates the one end connected down in bottom hole fixing device,
Sleeve pipe and bottom hole fixing device are down inserted at the top of drilling rod together, stretched out until from drill bit bottom, now bottom hole fixes dress
The fixed-wing put is automatically opened up, and is fixed on the rib of bottom hole；
5) finally drill bit is shifted out.
Further, the step 3) in, in drilling rod to before recession, using the coal petrography powder in pressure wind tap.
Further, the drilling rod uses rib drill stem, and such drilling rod internal diameter is larger, can be put into 1 inch sleeve pipe.
Further, the large through-hole opening and closing bit diameter 96mm, casing diameter is 1 inch.
The advantage of the invention is that：Reasonable in design of the present invention, can be used under the inner sleeve of hole pulling out of hole to after bottom hole
Unlikely afterwards that sleeve pipe is extracted, the structure design of fixed-wing is simply used, can be so that promptly the side wall of surrounding, is protected by automatically opening up
Demonstrate,prove grasp, using bottom hole fixing device realize drilling in place after can smoothly by under sleeve pipe to bottom hole.
The method have the advantages that：Being realized by using bottom hole fixing device can be smoothly by sleeve pipe after drilling in place
Under to bottom hole, mash gas extraction administers safe efficient, energy-conservation.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of bottom hole fixing device, it is characterised in that including cylinder, is uniformly provided with several bar shapeds on the circumferential surface of cylinder
Groove, also including several quantity fixed-wing equal with bar-shaped trough, the fixed-wing is arranged in the bar-shaped trough, and one end is rotated
The bottom of the bar-shaped trough is connected to, the length of the other end can be taken in bar-shaped trough.
2. a kind of bottom hole fixing device according to claim 1, it is characterised in that one end of the bar-shaped trough is provided with installation
There is rotating shaft, one end of the fixed-wing is provided with axis hole, and the axis hole is connected with rotating shaft, and fixed-wing one end is inside bar-shaped trough
Rotate connection.
3. a kind of bottom hole fixing device according to claim 1, it is characterised in that one end of the fixed-wing and torsion bullet
Spring is connected, and the torque spring is connected to one end of the bar-shaped trough by bearing pin.
4. a kind of bottom hole fixing device according to claim 1, it is characterised in that the quantity of the bar-shaped trough and fixed-wing
It is equipped with 4.
5. a kind of bottom hole fixing device according to claim 1, it is characterised in that one end of the cylinder is also fixedly connected
There is a diameter to be less than the second cylinder of the cylinder, the axis of second cylinder is overlapped with the axis of cylinder, the fixation
The wing rotates one end of connection and hemispherical dome structure is located at the same side.
6. a kind of bottom hole fixing device according to claim 1, it is characterised in that the cylinder is made of PP materials.
7. a kind of coal seam setting of casing pumping method of bottom hole fixing device, is fixed using any described bottom holes of claim 1-6
Device, it is characterised in that comprise the following steps：
1) equipment, including rig, drilling rod, large through-hole open and close type drill bit, sleeve pipe and bottom hole fixing device are prepared；
2) screw of large through-hole open and close type drill bit entablature movable end is unscrewed, jointed rod and rig are drilled；
3) after drilling to predetermined depth, by drilling rod to recession 4-6m, the crossbeam on large through-hole open and close type drill bit is opened；
4) bottom hole fixing device is connected on sleeve pipe, one end that fixed-wing rotates connection in bottom hole fixing device down, will cover
Pipe and bottom hole fixing device are down inserted at the top of drilling rod together, are stretched out until from drill bit bottom, now in bottom hole fixing device
Fixed-wing automatically open up, be fixed on the rib of bottom hole；
5) finally drill bit is shifted out.
8. the coal seam setting of casing pumping method of a kind of bottom hole fixing device according to claim 7, it is characterised in that described
Step 3) in, in drilling rod to before recession, using the coal petrography powder in pressure wind tap.
9. the coal seam setting of casing pumping method of a kind of bottom hole fixing device according to claim 7, it is characterised in that described
Drilling rod uses rib drill stem.
10. a kind of coal seam setting of casing pumping method of bottom hole fixing device according to claim 9, it is characterised in that institute
Large through-hole opening and closing bit diameter 96mm is stated, casing diameter is 1 inch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317045.5A CN106948783A (en) | 2017-05-08 | 2017-05-08 | A kind of bottom hole fixing device and utilize the device coal seam setting of casing pumping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317045.5A CN106948783A (en) | 2017-05-08 | 2017-05-08 | A kind of bottom hole fixing device and utilize the device coal seam setting of casing pumping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106948783A true CN106948783A (en) | 2017-07-14 |
Family
ID=59479010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317045.5A Pending CN106948783A (en) | 2017-05-08 | 2017-05-08 | A kind of bottom hole fixing device and utilize the device coal seam setting of casing pumping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681152A (en) * | 2018-12-11 | 2019-04-26 | 河南工程学院 | A kind of projecting coal bed aperture guard device and its screen casing pay-off method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197553A (en) * | 1991-08-14 | 1993-03-30 | Atlantic Richfield Company | Drilling with casing and retrievable drill bit |
| CN102877791A (en) * | 2012-10-17 | 2013-01-16 | 淮南矿业(集团)有限责任公司 | Drill bit and drilling device |
| US20140119835A1 (en) * | 2012-10-25 | 2014-05-01 | Southeast Directional Drilling, Llc | Casing Puller |
| CN105888623A (en) * | 2016-05-18 | 2016-08-24 | 中煤科工集团西安研究院有限公司 | Underground coal mine sleeve chambering and screen pipe lowering device and construction method |
| CN205503011U (en) * | 2016-01-11 | 2016-08-24 | 河南理工大学 | Coalbed gas takes out and adopts dowelling jig and protect and take out integrated device |
| CN206957618U (en) * | 2017-05-08 | 2018-02-02 | 淮南矿业(集团)有限责任公司 | A kind of bottom hole fixing device |
-
2017
- 2017-05-08 CN CN201710317045.5A patent/CN106948783A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197553A (en) * | 1991-08-14 | 1993-03-30 | Atlantic Richfield Company | Drilling with casing and retrievable drill bit |
| CN102877791A (en) * | 2012-10-17 | 2013-01-16 | 淮南矿业(集团)有限责任公司 | Drill bit and drilling device |
| US20140119835A1 (en) * | 2012-10-25 | 2014-05-01 | Southeast Directional Drilling, Llc | Casing Puller |
| CN205503011U (en) * | 2016-01-11 | 2016-08-24 | 河南理工大学 | Coalbed gas takes out and adopts dowelling jig and protect and take out integrated device |
| CN105888623A (en) * | 2016-05-18 | 2016-08-24 | 中煤科工集团西安研究院有限公司 | Underground coal mine sleeve chambering and screen pipe lowering device and construction method |
| CN206957618U (en) * | 2017-05-08 | 2018-02-02 | 淮南矿业(集团)有限责任公司 | A kind of bottom hole fixing device |
Non-Patent Citations (1)
| Title |
|---|
| 孙新胜: "快速下套管抽采瓦斯技术在新庄孜煤矿中的应用", 《探矿工程(岩土钻掘工程)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681152A (en) * | 2018-12-11 | 2019-04-26 | 河南工程学院 | A kind of projecting coal bed aperture guard device and its screen casing pay-off method |
| CN109681152B (en) * | 2018-12-11 | 2021-01-12 | 河南工程学院 | Outburst coal seam hole protection device and sieve tube lowering method thereof |
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Application publication date: 20170714 |
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