CN106639962A - Secondary hole sealing and pressure measuring device based on expanding agents - Google Patents
Secondary hole sealing and pressure measuring device based on expanding agents Download PDFInfo
- Publication number
- CN106639962A CN106639962A CN201610911800.8A CN201610911800A CN106639962A CN 106639962 A CN106639962 A CN 106639962A CN 201610911800 A CN201610911800 A CN 201610911800A CN 106639962 A CN106639962 A CN 106639962A
- Authority
- CN
- China
- Prior art keywords
- high pressure
- water
- sealing
- hole sealing
- pressure
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 230000007306 turnover Effects 0.000 claims abstract description 3
- 239000002775 capsule Substances 0.000 claims description 35
- 239000004606 Fillers/Extenders Substances 0.000 claims description 30
- 238000007569 slipcasting Methods 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 208000030208 low-grade fever Diseases 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008961 swelling Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000010410 reperfusion Effects 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A secondary hole sealing and pressure measuring device based on expanding agents adopts a high-pressure independent water bag for water injection and pressure bearing during hole sealing. Water drainage pressure relief can be conducted when equipment is dismounted, and the equipment can be recycled. Turnover parts at the two ends of a high-pressure independent expansion bag are matched with limiting chains and limiting boards for two-end hole sealing, one-time two-end hole sealing fixation of an independent annular grouting cavity is formed, after slurry is grouted for primary hole sealing, water is injected into the high-pressure independent expansion bag, the expanding agents come across water to expand, the two-end hole sealing effect of the device is further improved, the high-pressure independent expansion bag deforms vertically axially, stress for slurry secondary hole sealing is provided, the slurry is pressed into cracks in surrounding rocks, and secondary hole sealing is finished.
Description
Technical field：
The present invention relates to a kind of secondary hole sealing pressure tester based on extender, specifically a kind of by expanding pressure
Carry out the hole-sealing pressure measuring device of secondary plugging drilling
Background technology：
At present, coal and gas prominent is a key factor for threatening mine safety production.Gas pressure measurement is used as sentencing
The important method for determining colliery salience is used widely.However, existing capsule-type hole-sealing pressure measuring device mostly is single use
Device and secondary hole sealing effect on driving birds is not good.For reduces cost, the accuracy of raising determination data, it is badly in need of design a kind of repeatable sharp
Worked well with, sealing of hole, hole-sealing pressure measuring device simple to operate.
The content of the invention：
The present invention designs a set of reusable, secondary hole sealing effect good under the problem condition for overcoming technical background
Pressure measurement hole sealing device that is good, being easy to operation.
The present invention includes following technical scheme：
A kind of secondary hole sealing pressure tester based on extender is by determining device, pressure-bearing device, expansion gear, grouting device
Four parts constitute；Wherein determine device to be made up of air inlet floral tube 1, individual conduits 2, pressure gauge 3；Pressure-bearing device is only by high pressure
Vertical water pocket 4, water injection conduit 5, water injecting pump 6 are constituted；Expansion gear is loaded by high pressure independently-inflatable capsule 7, water injection pipe 8, extender
Pipe 9, check chain 10, limiting plate 11, extender composition；Grouting device is by grouting pump 12, grouting pipe 13,14 groups of slip casting chamber
Into.The measure device front end airflow floral tube 1 is connected with individual conduits 2, and two pipes are steel conduit, are equipped with after individual conduits 2
Pressure gauge 3.The suit of high pressure independence water pocket 4 of the pressure-bearing device is fixed in individual conduits 2, and will be sealed in space between the two
Close.Water injection conduit 5 is connected on the outside of high pressure independence water pocket 4, and is connected with water injecting pump 6.The high pressure independently-inflatable of the expansion gear
Capsule 7 is sleeved on high pressure independence water pocket 4, and is fixed, and the external margin of high pressure independently-inflatable capsule 7 is integrally turned down, and at edge
Place's check chain 10 and limiting plate 11 are fixed, and check chain 10 arranges multiple around high pressure independently-inflatable capsule 7, limiting plate
11 are arranged in the both sides of the edge of individual conduits 2, and are directly welded in individual conduits 2.Dewatering orifice is distributed on the tube wall of water injection pipe 8, is noted
Water pipe 8 is internally divided into four pipes, four orientation up and down being arranged in inside high pressure independently-inflatable capsule 7.Water injection pipe 8
It is connected with water injecting pump 6, extender filling pipe 9 is connected to the outside of high pressure independently-inflatable capsule 7, extender is special low grade fever, highly expanded
Medicament.The grouting pipe 13 of the grouting device is entered by the outside of high pressure independently-inflatable capsule 7, from just to by high pressure independently-inflatable capsule
Derive the position in the 7 slip casting chambers 14 for surrounding.All pipes are provided with sealing device and are sealed with capsule junction.Grouting pipe 13
It is connected with grouting pump 6.
Using above-mentioned technical proposal the present invention compared with prior art, high pressure independence water pocket, water filling pressure-bearing during sealing of hole.Tear open
Discharge water release when unloading equipment, recyclable equipment.The folding portion distribution of high pressure independently-inflatable capsule two ends is closed check chain, limiting plate and carries out two
End seal hole, the disposable two ends sealing of hole for forming independent annular slip casting chamber is fixed, after perfusion mud carries out first sealing of hole, to high pressure
The intracapsular water filling of independently-inflatable, extender water-swellable, device two ends sealing of hole effect is further enhanced, high pressure independently-inflatable capsule
Vertical axial is deformed upon, there is provided the stress of mud secondary hole sealing, and mud is pressed into into wall-rock crack, completes secondary hole sealing.
Description of the drawings：
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is sectional view A-A of the present invention
Fig. 3 is sectional view B-B of the present invention
Reference implication is as follows in figure：Air inlet floral tube 1, individual conduits 2, pressure gauge 3, high pressure independence water pocket 4, water filling are led
Pipe 5, water injecting pump 6, high pressure independently-inflatable capsule 7, water injection pipe 8, extender filling pipe 9, check chain 10, limiting plate 11, grouting pump 12,
Grouting pipe 13, slip casting chamber 14, coal body 15, extender 16.
Specific embodiment：
Below in conjunction with the accompanying drawings and embodiment describe in detail the present invention：
A kind of secondary hole sealing pressure tester based on extender, referring to accompanying drawing 1-3, by air inlet floral tube 1, individual conduits 2, pressure
Power table 3, high pressure independence water pocket 4, water injection conduit 5, water injecting pump 6, high pressure independently-inflatable capsule 7, water injection pipe 8, extender filling pipe 9,
Check chain 10, limiting plate 11, grouting pump 12, grouting pipe 13, slip casting chamber 14 constitute.
Secondary hole sealing pressure tester sealing of hole pressure measurement based on extender：Comprise the steps：(1) air inlet floral tube 1 and independence
Conduit 2 connects, and two pipes are steel conduit, and pressure gauge 3 is housed after individual conduits 2.The suit of high pressure independence water pocket 4 is fixed on independence
On conduit 2, and will space closing between the two.Water injection conduit 5 is connected on the outside of high pressure independence water pocket 4, and is connected with water injecting pump 6.
High pressure independently-inflatable capsule 7 is sleeved on high pressure independence water pocket 4, and is fixed, and the length external margin of high pressure independently-inflatable capsule 7 is whole
Turn in vitro, and fix in edge check chain 10 and limiting plate 11, check chain 10 is around high pressure independently-inflatable capsule 7
Arrangement is multiple, and limiting plate 11 is arranged in the both sides of the edge of individual conduits 2, and is directly welded in individual conduits 2.The tube wall of water injection pipe 8
Upper distribution dewatering orifice, water injection pipe 8 is internally divided into four pipes, is arranged in inside high pressure independently-inflatable capsule 7 up and down
Four orientation.Water injection pipe 8 is connected with water injecting pump 12, and extender filling pipe 9 is connected to the outside of high pressure independently-inflatable capsule 7, extender
For special low grade fever, highly expanded medicament.Grouting pipe 13 is entered by the outside of high pressure independently-inflatable capsule 7, from just to independently swollen by high pressure
Derive the position in the slip casting chamber 14 that swollen capsule 7 is surrounded.All pipes are provided with sealing device and are sealed with capsule junction.Slip casting is led
Pipe 13 is connected with grouting pump 12.(2) after beating finishing drilling hole, pipe 9 is loaded by extender and adds appropriate swollen to high pressure independently-inflatable capsule 7
Swollen dose, and it is uniformly distributed it.(3) whole device is put into into drilling, and makes whole utricule enter one segment distance of drilling.(4) beat
Water injecting pump 6 is driven, the water filling into high pressure independence water pocket 4, so that the two ends of high pressure independently-inflatable capsule 7 turnover part is carried out just to drilling
Step sealing of hole, and middle and rib surrounds closed ring slip casting chamber.(5) grouting pump 12 is opened, slip casting is carried out to slip casting chamber 14, formed
Complete sealing of hole first.(6) after extraction for a period of time, when mash gas extraction concentration occurs substantially to reduce, the water filling into water injection pipe 8,
After having noted water, valve is closed.Extender expansion extruding yellow mud completes secondary hole sealing.
The secondary hole sealing of gas pumping can be by water filling in high pressure independence water pocket 4, making whole high pressure independently-inflatable capsule 7 swollen
It is swollen, the yellow mud for having irrigated is extruded, realize secondary hole sealing.
High pressure independently-inflatable capsule 7 is put into before drilling and needs uniformly to load a certain amount of extender, and guarantees high pressure independently-inflatable
The external margin of capsule 7 part of integrally turning up need to fill up extender.Preliminary sealing of hole can be realized using its construction features.
By making sealing of hole volume expansion to the water filling of high pressure independence water pocket 4, for the side that preliminary sealing of hole provides yellow mud reperfusion space
Method.
Claims (5)
1. a kind of secondary hole sealing pressure tester based on extender, it is characterised in that：By measure device, pressure-bearing device, expansion dress
Put, the part of grouting device four constitutes；Wherein determine device to be made up of air inlet floral tube, individual conduits, pressure gauge；Pressure-bearing device is
It is made up of high pressure independence water pocket, water injection conduit, water injecting pump；Expansion gear is by high pressure independently-inflatable capsule, water injection pipe, extender dress
Fill out pipe, check chain, limiting plate, extender composition；Grouting device is made up of grouting pump, grouting pipe, slip casting chamber.The measure
Device front end airflow floral tube is connected with individual conduits, and two pipes are steel conduit, and pressure gauge is housed after individual conduits.The pressure-bearing
The high pressure independence water pocket suit of device is fixed in individual conduits, and will space closing between the two.Water injection conduit is connected on high pressure
Independent water pocket outside, and be connected with water injecting pump.The high pressure independently-inflatable cuff of the expansion gear is mounted on high pressure independence water pocket,
And be fixed, high pressure independently-inflatable capsule external margin is integrally turned down, and is carried out with check chain and limiting plate in edge spacing
Fixed, check chain is multiple around high pressure independently-inflatable capsule arrangement, and limiting plate is arranged in individual conduits both sides of the edge, and is directly welded
In individual conduits.Dewatering orifice is distributed on water filling tube wall, water injection pipe is internally divided into four pipes, is arranged in high pressure independence
Four orientation up and down inside swelling bag.Water injection pipe is connected with water injecting pump, and it is independently swollen that extender filling pipe is connected to high pressure
Swollen capsule outside, extender is special low grade fever, highly expanded medicament.The grouting pipe of the grouting device by high pressure independently-inflatable capsule outside
Side enters, and derives from the position in the slip casting chamber just to being surrounded by high pressure independently-inflatable capsule.All pipes are provided with capsule junction
Sealing device is sealed.Grouting pipe is connected with grouting pump.
2. a kind of secondary hole sealing pressure tester based on extender as claimed in claim 1, it is characterised in that the secondary hole sealing
The sealing of hole step of pressure tester includes：After beating finishing drilling hole, pipe is loaded by extender appropriate swollen to the addition of high pressure independently-inflatable capsule
Swollen dose, and it is uniformly distributed it.
3. a kind of secondary hole sealing pressure tester based on extender as claimed in claim 2, it is characterised in that the secondary hole sealing
The sealing of hole step of pressure tester also includes：Whole device is put into into drilling, and makes whole utricule enter one segment distance of drilling.
4. a kind of secondary hole sealing pressure tester based on extender as claimed in claim 3, it is characterised in that the secondary hole sealing
The sealing of hole step of pressure tester also includes：Open water injecting pump, the water filling into high pressure independence water pocket, so that high pressure independently-inflatable capsule
Two ends turnover part carries out preliminary sealing of hole to drilling, and middle and rib surrounds closed ring slip casting chamber.
5. a kind of secondary hole sealing pressure tester based on extender as claimed in claim 4, it is characterised in that the secondary hole sealing
The sealing of hole step of pressure tester also includes：Grouting pump is opened, slip casting is carried out to slip casting chamber, form complete sealing of hole first.Extraction one
After the section time, when mash gas extraction concentration occurs substantially to reduce, the water filling into water injection pipe after having noted water, closes valve.Extender
Expansion extruding yellow mud completes secondary hole sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911800.8A CN106639962B (en) | 2016-10-17 | 2016-10-17 | Secondary hole sealing pressure measuring device based on expanding agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911800.8A CN106639962B (en) | 2016-10-17 | 2016-10-17 | Secondary hole sealing pressure measuring device based on expanding agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639962A true CN106639962A (en) | 2017-05-10 |
| CN106639962B CN106639962B (en) | 2022-10-11 |
Family
ID=58855537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610911800.8A Active CN106639962B (en) | 2016-10-17 | 2016-10-17 | Secondary hole sealing pressure measuring device based on expanding agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639962B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503740A (en) * | 2017-10-09 | 2017-12-22 | 开滦(集团)有限责任公司技术中心 | Mechanical swelling type hole-sealing pressure measuring device and pressure testing method |
| WO2019210657A1 (en) * | 2018-05-04 | 2019-11-07 | 中国矿业大学 | Integrated hole sealing device for loose blasting and water injection of underground well deep hole |
| CN115853461A (en) * | 2023-02-22 | 2023-03-28 | 中煤科工集团沈阳研究院有限公司 | Hole sealing device and hole sealing method for gas extraction drill hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200084U (en) * | 1985-04-01 | 1985-11-10 | 李起山 | Water seal and water pressure water case for shot hole blasting |
| US20020189821A1 (en) * | 2001-06-13 | 2002-12-19 | Graham Watson | Gravel inflated isolation packer |
| CN102200024A (en) * | 2011-05-11 | 2011-09-28 | 河南理工大学 | Gas extraction center divided-flow type grouting and hole sealing device and hole sealing method |
| CN102913184A (en) * | 2012-10-26 | 2013-02-06 | 河南理工大学 | Secondary composite high-pressure grouting and sealing process of gas drainage drilling artificial separation barrier |
| CN103195388A (en) * | 2013-03-28 | 2013-07-10 | 郑州煤炭工业(集团)有限责任公司 | Two-plugging hole packer and plugging grouting method |
| CN103590782A (en) * | 2013-11-28 | 2014-02-19 | 华北科技学院 | Under-pressure grouting hole sealing device and method for gas extraction drill air bag blocking |
| CN105804692A (en) * | 2016-03-29 | 2016-07-27 | 中国矿业大学(北京) | Novel coal mine gas pressure measurement grouting hole sealing method |
-
2016
- 2016-10-17 CN CN201610911800.8A patent/CN106639962B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200084U (en) * | 1985-04-01 | 1985-11-10 | 李起山 | Water seal and water pressure water case for shot hole blasting |
| US20020189821A1 (en) * | 2001-06-13 | 2002-12-19 | Graham Watson | Gravel inflated isolation packer |
| CN102200024A (en) * | 2011-05-11 | 2011-09-28 | 河南理工大学 | Gas extraction center divided-flow type grouting and hole sealing device and hole sealing method |
| CN102913184A (en) * | 2012-10-26 | 2013-02-06 | 河南理工大学 | Secondary composite high-pressure grouting and sealing process of gas drainage drilling artificial separation barrier |
| CN103195388A (en) * | 2013-03-28 | 2013-07-10 | 郑州煤炭工业(集团)有限责任公司 | Two-plugging hole packer and plugging grouting method |
| CN103590782A (en) * | 2013-11-28 | 2014-02-19 | 华北科技学院 | Under-pressure grouting hole sealing device and method for gas extraction drill air bag blocking |
| CN105804692A (en) * | 2016-03-29 | 2016-07-27 | 中国矿业大学(北京) | Novel coal mine gas pressure measurement grouting hole sealing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503740A (en) * | 2017-10-09 | 2017-12-22 | 开滦(集团)有限责任公司技术中心 | Mechanical swelling type hole-sealing pressure measuring device and pressure testing method |
| WO2019210657A1 (en) * | 2018-05-04 | 2019-11-07 | 中国矿业大学 | Integrated hole sealing device for loose blasting and water injection of underground well deep hole |
| US10816312B2 (en) | 2018-05-04 | 2020-10-27 | China University Of Mining And Technology | Integrated hole sealing device for loosening blasting and water injection of underground deep hole |
| RU2745263C1 (en) * | 2018-05-04 | 2021-03-22 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Combined well sealing device performing underground blasting for rooting and water injection in deep wells |
| CN115853461A (en) * | 2023-02-22 | 2023-03-28 | 中煤科工集团沈阳研究院有限公司 | Hole sealing device and hole sealing method for gas extraction drill hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106639962B (en) | 2022-10-11 |
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