CN109488250A - Hole sealing device and method can be recycled in a kind of coal bed gas extraction drilling mucus dynamic - Google Patents

Hole sealing device and method can be recycled in a kind of coal bed gas extraction drilling mucus dynamic Download PDF

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Publication number
CN109488250A
CN109488250A CN201811544149.0A CN201811544149A CN109488250A CN 109488250 A CN109488250 A CN 109488250A CN 201811544149 A CN201811544149 A CN 201811544149A CN 109488250 A CN109488250 A CN 109488250A
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China
Prior art keywords
glue
capsule
hose
sealing
dynamic
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Pending
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CN201811544149.0A
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Chinese (zh)
Inventor
雷云
张兴华
孙亮
闫循强
邹永洺
粱忠秋
潘竞涛
刘扬
贾男
刘飞
张辉
王祎
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CCTEG China Coal Technology and Engineering Group Corp
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CCTEG China Coal Technology and Engineering Group Corp
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Application filed by CCTEG China Coal Technology and Engineering Group Corp filed Critical CCTEG China Coal Technology and Engineering Group Corp
Priority to CN201811544149.0A priority Critical patent/CN109488250A/en
Publication of CN109488250A publication Critical patent/CN109488250A/en
Pending legal-status Critical Current

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    • 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
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F7/00Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

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  • 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)
  • Earth Drilling (AREA)

Abstract

The present invention relates to coals, gas production technical field, a kind of recyclable hole sealing device of coal bed gas extraction drilling mucus dynamic, for blocking the drilling orifice section in coal seam, the second end of 3 the second high-pressure hoses respectively with orifice expansion capsule, bore end expanded capsule and block section, the dynamic grouting system is connected by changeable with the first end of 3 second high-pressure hoses, and dynamic grouting system is made to block glue to orifice expansion capsule, bore end expanded capsule inside or block section injection;The orifice expansion capsule and bore end expanded capsule outer wall are elastic wall, orifice expansion capsule and bore end expanded capsule expand after injection blocks glue, and then the gap between drill hole inner wall and sealing of hole pipe outer wall is blocked, the gap between drill hole inner wall and sealing of hole pipe outer wall is filled after block section injection closure glue.In addition, the present invention also proposes that encapsulation method can be recycled in a kind of coal bed gas extraction drilling mucus dynamic.

Description

Hole sealing device and method can be recycled in a kind of coal bed gas extraction drilling mucus dynamic
Technical field
The present invention relates to coals, gas production technical field, especially coal bed gas extraction borehole sealing technology.
Background technique
As superficial part present low gas Regional Coal resource is gradually exploited totally, pit mining coal mine will extend into coalfield high methane Region, a large amount of Gas restrict safety in production during exploiting in order to prevent, and State Administration of Quality and Technical Supervision promulgates The total coal of safety supervision fills (2011) No. 163 file " coal mine gas drainage temporary provisions up to standard " clear stipulaties this coal bed gas extractions and reaches Target mandatory term.
The important technology hand that face gas is gushed out during highly gassy mine this coal bed gas extraction technique is exploitation reducig Section, the principal element for restricting this coal bed gas extraction efficiency at this stage is coal bed drilling method for sealing and corollary apparatus, both at home and abroad Polyurethane sealing of hole method and " a two stifled notes " method of pore sealing are mainly taken, sealing material is mainly cement mortar and polyurethane, cement Mortar easily shrinks dry and cracked, and the sealing of hole time is longer;Polyurethane meets water and easily softens contraction, and poor permeability is difficult to penetrate into drilling In the microfissure of periphery;These method for sealing exist after coal bed drilling sealing of hole extraction occur crack gas leakage can not secondary hole sealing remedy The problem of and the sealing material in coal bed drilling and the irretrievable problem of drainage tube.
Summary of the invention
To solve the above problems, the present invention proposes that hole sealing device can be recycled in a kind of coal bed gas extraction drilling mucus dynamic, The device can effectively block mash gas pumping drilling relaxation zone crack.In addition the present invention also proposes that a kind of coal bed gas extraction drilling is glutinous Method for sealing can be recycled in state of surging.
To achieve the above object, the technical solution adopted by the present invention is that:
In first technical solution, the recyclable hole sealing device of a kind of coal bed gas extraction drilling mucus dynamic, for sealing Drilling orifice section in chute blockage layer, including dynamic grouting system and static seal systems, wherein static seal systems include 3 the Two high-pressure hoses, orifice expansion capsule, bore end expanded capsule and hole sealing tube, wherein the hole sealing tube is placed in the drilling, The orifice expansion capsule and bore end expanded capsule interval set and are sleeved on outside hole sealing tube, and the bore end expanded capsule is close Side is block section in hole, and the first end of 3 second high-pressure hoses is free end, the second of 3 the second high-pressure hoses Respectively with orifice expansion capsule, bore end expanded capsule and block section, the dynamic grouting system passes through changeable and 3 at end The first end of second high-pressure hose connects, and makes dynamic grouting system to orifice expansion capsule, bore end expanded capsule The injection of internal or block section blocks glue;The orifice expansion capsule and bore end expanded capsule outer wall are elastic wall, and aperture is swollen Swollen capsule and bore end expanded capsule expand after injection blocks glue, and then between blocking between drill hole inner wall and sealing of hole pipe outer wall The gap after closure glue between filling drill hole inner wall and sealing of hole pipe outer wall is injected in gap, block section.
In first technical solution, preferably, the orifice expansion capsule and bore end expanded capsule are drilling The both ends for opening up direction are equipped with head protector, protection cap of the head protector as orifice expansion capsule and bore end expanded capsule end, And head protector is the elastic component with retractility.
In first technical solution, preferably, the dynamic grouting system include liquid storage container, into glue hose, Pressurize glue-injecting pump and the first hose, described to be placed in liquid storage container into glue hose first segment, second end connection pressurization glue-injecting pump Glue inlet, the gum outlet of the first end connection pressurization glue-injecting pump of first hose are described to close on pressurization glue-injecting pump into glue hose Position be equipped with glue-feeder regulating valve, first hose and close on the position of pressurization glue-injecting pump and be equipped with gum outlet regulating valve.
In first technical solution, preferably, second high-pressure hose is equipped with for detecting the second high pressure The pressure gauge component of colloid pressure in hose pipe.
In first technical solution, preferably, the pressure gauge component includes injecting glue shut-off valve, monitoring pressure gauge Regulating valve, pressure gauge connector and pressure gauge, wherein injecting glue shut-off valve is arranged on intermediate hose tube body, and the pressure gauge passes through Pressure gauge connector is connected between on hose, and pressure gauge connector is equipped with monitoring pressure gauge regulating valve.
In second technical solution, the recyclable method for sealing of a kind of coal bed gas extraction drilling mucus dynamic, using such as Hole sealing device can be recycled in the drilling mucus dynamic of coal bed gas extraction described in first technical solution, includes the following steps,
Two intermediate hoses are connected to orifice expansion capsule, bore end expanded capsule respectively before step 1, sealing of hole, and will Orifice expansion capsule, bore end expanded capsule are sleeved on hole sealing tube;
The orifice expansion capsule connected, bore end expanded capsule and hole sealing tube are sent into drilling and sealing section by step 2;
Step 3 will be placed on the bottom in liquid storage container into glue hose, fill viscolloid in liquid storage container, will be into glue Hose is connected with pressurization glue-injecting pump;
Step 4, the glue-injecting pump that will pressurize in the first hose and intermediate hose by connecting;
Step 5 opens injecting glue shut-off valve and monitoring pressure gauge regulating valve, opens pressurization glue-injecting pump, by the glutinous of liquid storage container Property colloid is implanted sequentially orifice expansion capsule, bore end expanded capsule and sealing section;
Step 6, after pressure gauge numerical value reaches certain numerical value, be first shut off injecting glue shut-off valve, then rapidly close pressurization Glue-injecting pump, drilling and sealing are completed.
In second technical solution, preferably, after the completion of drilling and sealing, periodic observation pressure gauge data work as pressure When power table numerical value is decreased obviously, step 3-step 6 is repeated, secondary fluid infusion is carried out.
Using the beneficial effects of the present invention are:
Dynamic grouting system is made of high-pressure hose, grouting pump, liquid storing barrel, the viscolloid that flyash is base-material.It is static Sealing system is made of drainage tube, expansion plugging capsule, injecting glue valve, monitoring pressure gauge and connecting pipe hoop.Sealing of hole capsule difference It is placed on the outside and inside of sealing section, sealing of hole capsule is by pipe collar and extraction piping connection, at the inlet of sealing of hole capsule outer end Pressure gauge is installed, real-time monitoring sealing section and hole sealing glue intracapsular colloid pressure pass through high-pressure hose between sealing of hole capsule and connects It connects.Present invention design is simple, structurally reasonable, it can be achieved that colloid infiltration coal seam gap and crack, real-time to the pressure in sealing section Monitoring, timely fluid infusion effectively block drilling loosening and unload pressing ring, improve gas drainage efficiency.
Detailed description of the invention
Fig. 1 is that hole sealing device overall structure diagram can be recycled in coal bed gas extraction of the present invention drilling mucus dynamic.
Fig. 2 is that hole sealing device closure capsule structure schematic diagram can be recycled in coal bed gas extraction of the present invention drilling mucus dynamic.
Fig. 3 is that the signal of hole sealing device pressure gauge modular construction can be recycled in coal bed gas extraction of the present invention drilling mucus dynamic Figure.
Appended drawing reference includes:
1- blocks glue, and 2- liquid storage container, 3- is into glue hose, 4- glue-injecting pump feed liquor nozzle, 5- glue-feeder regulating valve, 6- plastic emitting Mouth regulating valve, 7- pressurization glue-injecting pump, 8- pressurization connection component, the first hose of 9-, 10- pressure gauge component, 11- orifice expansion glue Capsule, 12- intermediate hose, 13- hole sealing tube, 14- bore end expanded capsule, 15- sealing section, the coal seam 16-, 17- connecting pipe hoop, 18- Head protector;
101- high-pressure rubber pipe connector, 102- injecting glue shut-off valve, 103- monitor pressure gauge regulating valve, and 104- pressure gauge connects Connector, 105- pressure gauge;I-dynamic grouting system, II-static seal systems;It is soft among 12-1- intermediate hose I, 12-2- second Pipe, 12-3- third intermediate hose.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing.
Embodiment 1
As shown in Figure 1-Figure 3, the present embodiment provides a kind of 16 mash gas pumping drilling mucus dynamics of coal seam, and sealing of hole dress can be recycled It sets, for blocking the drilling orifice section in coal seam 16, including dynamic grouting system I and static seal systems II, wherein static close Envelope system II includes 3 the second high-pressure hoses, orifice expansion capsule 11, bore end expanded capsule 14 and hole sealing tube 13, wherein sealing Hole pipe 13 is placed in drilling, and orifice expansion capsule 11 and the interval of bore end expanded capsule 14 set and be sleeved on outside hole sealing tube 13, hole The side in the adjacent pores of end expanded capsule 14 is block section, and the first end of 3 the second high-pressure hoses is free end, 3 second For the second end of high-pressure hose respectively with orifice expansion capsule 11, bore end expanded capsule 14 and block section, dynamic grouting system I is logical Cross it is changeable connected with the first end of 3 the second high-pressure hoses, make dynamic grouting system I to inside orifice expansion capsule 11, 14 inside of bore end expanded capsule or block section injection block glue 1;14 outer wall of orifice expansion capsule 11 and bore end expanded capsule It is that elastic wall, orifice expansion capsule 11 and bore end expanded capsule 14 expand after injection blocks glue 1, and then block in drilling Gap between 13 outer wall of wall and hole sealing tube, block section injection are filled between drill hole inner wall and 13 outer wall of hole sealing tube after blocking glue 1 Gap.
Orifice expansion capsule 11 and bore end expanded capsule 14 are equipped with head protector 18 at the both ends that drilling opens up direction, the shield First 18 protection cap as 14 end of orifice expansion capsule 11 and bore end expanded capsule, and head protector 18 is the bullet with retractility Property part.
Dynamic grouting system I includes liquid storage container 2, into glue hose 3, pressurization glue-injecting pump 7 and the first hose 9, into glue hose 3 First segment is placed in liquid storage container 2, and the glue inlet of second end connection pressurization glue-injecting pump 7, the first end of the first hose 9 connects pressurization The gum outlet of glue-injecting pump 7, the position for closing on pressurization glue-injecting pump 7 into glue hose 3 is equipped with glue-feeder regulating valve 5, the first hose 9 closes on The position of pressurization glue-injecting pump 7 is equipped with gum outlet regulating valve 6.
Second high-pressure hose is equipped with 105 component 10 of pressure gauge for detecting colloid pressure in the second high-pressure hose pipe.
105 component 10 of pressure gauge includes injecting glue shut-off valve 102, monitoring pressure gauge regulating valve 103, pressure gauge connector 104 With pressure gauge 105, wherein injecting glue shut-off valve 102 is arranged on 12 tube body of intermediate hose, and pressure gauge 105 passes through pressure gauge connector 104 are connected between on hose 12, and pressure gauge connector 104 is equipped with monitoring pressure gauge regulating valve 103.
In the present embodiment, liquid storage container 2, which is put into, blocks glue 1, blocks glue 1 by entering pressurization glue-injecting pump into glue hose 3 7, pressurization glue-injecting pump 7 by pressurization connection component 8 pressurize, be connected to glue-injecting pump feed liquor nozzle 4 into glue hose 3, glue-injecting pump into Be equipped with gum outlet regulating valve 6 at liquid pipe mouth 4, the gum outlet regulating valve 6 of pressurization glue-injecting pump 7 by the first hose 9 it is selectable and First intermediate hose 12-1, the second intermediate hose 12-2 or the 12-3 connection of third intermediate hose, the first intermediate hose 12-1, second Intermediate hose 12-2 or third intermediate hose 12-3 interface position are equipped with high-pressure rubber pipe connector 101, and injecting glue shut-off valve 102 is used for End at high-pressure rubber pipe connector 101, monitoring pressure gauge regulating valve 103 is used for cutoff pressure table connector 104, pressure gauge 105 It is connected between on hose 12 by pressure gauge connector 104.
In intermediate hose 12, the first intermediate hose 12-1 is connected to the second intermediate hose 12-2 in orifice expansion capsule 11 Connection is in bore end expanded capsule 14, and third intermediate hose 12-3 is connected in sealing section 15, and hole sealing tube 13 passes through connecting pipe hoop 17 are supported on drill hole inner wall, while hole sealing tube 13 is the splicing of multiple pipes, and the end of the fixed two neighboring pipe of connecting pipe hoop 17 is realized Splicing.
Embodiment 2
The present embodiment provides a kind of 16 mash gas pumping drilling mucus dynamics of coal seam, and method for sealing can be recycled, and uses such as embodiment Hole sealing device can be recycled in 16 mash gas pumping drilling mucus dynamic of coal seam in 1, includes the following steps,
Two intermediate hoses 12 are connected with orifice expansion capsule 11, bore end expanded capsule 14 respectively before step 1, sealing of hole It is logical, and orifice expansion capsule 11, bore end expanded capsule 14 are sleeved on hole sealing tube 13;
The orifice expansion capsule 11 connected, bore end expanded capsule 14 and hole sealing tube 13 are sent into drilling envelope by step 2 Hole section 15;
Step 3, the bottom that will be placed in liquid storage container 2 into glue hose 3 fill viscolloid in liquid storage container 2, will be into Glue hose 3 and pressurization glue-injecting pump 7 connect;
Step 4, the glue-injecting pump 7 that will pressurize in the first hose 9 and intermediate hose 12 by connecting;
Step 5 opens injecting glue shut-off valve 102 and monitoring pressure gauge regulating valve 103, opens pressurization glue-injecting pump 7, liquid storage is held The viscolloid of device 2 is implanted sequentially orifice expansion capsule 11, bore end expanded capsule 14 and sealing section 15;
Step 6, after 105 numerical value of pressure gauge reaches certain numerical value, be first shut off injecting glue shut-off valve 102, then rapidly close Pressurization glue-injecting pump 7 is closed, drilling and sealing is completed.
After the completion of drilling and sealing, 105 data of periodic observation pressure gauge repeat to walk when 105 numerical value of pressure gauge is decreased obviously Rapid 3-step 6, carries out secondary fluid infusion.
Dynamic grouting system I is made of high-pressure hose, grouting pump, liquid storing barrel, the viscolloid that flyash is base-material.It is static Sealing system II is made of drainage tube, 1 capsule of expansion plugging glue, injecting glue valve, monitoring pressure gauge 105 and connecting pipe hoop 17.Sealing of hole Capsule is individually positioned in the outside and inside of sealing section 15, and sealing of hole capsule is by pipe collar and extraction piping connection, outside sealing of hole capsule Pressure gauge 105 is installed at the inlet of end, real-time monitoring sealing section 15 and the intracapsular colloid pressure of hole sealing glue, sealing of hole capsule it Between pass through high-pressure hose connect.Present invention design is simple, structurally reasonable, it can be achieved that colloid infiltration 16 gap of coal seam and crack, right Pressure real-time monitoring in sealing section 15, timely fluid infusion effectively block drilling loosening and unload pressing ring, improve gas drainage efficiency.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention Thought, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from structure of the invention Think, all belongs to the scope of protection of the present invention.

Claims (7)

1. hole sealing device can be recycled in a kind of coal bed gas extraction drilling mucus dynamic, for blocking the drilling orifice section in coal seam, It is characterized by comprising dynamic grouting system and static seal systems, and wherein static seal systems include that 3 the second high pressures are soft Pipe, orifice expansion capsule, bore end expanded capsule and hole sealing tube, wherein the hole sealing tube is placed in the drilling, the aperture Expanded capsule and bore end expanded capsule interval set and are sleeved on outside hole sealing tube, and the bore end expanded capsule is by side in adjacent pores For block section, the first end of 3 second high-pressure hoses is free end, the second end of 3 the second high-pressure hoses respectively and Orifice expansion capsule, bore end expanded capsule and block section, the dynamic grouting system pass through changeable and 3 described second The first end of high-pressure hose connects, and makes dynamic grouting system to orifice expansion capsule, bore end expanded capsule inside or envelope Stifled section injection blocks glue;The orifice expansion capsule and bore end expanded capsule outer wall are elastic wall, orifice expansion capsule and Bore end expanded capsule expands after injection blocks glue, and then blocks the gap between drill hole inner wall and sealing of hole pipe outer wall, blocks The gap between drill hole inner wall and sealing of hole pipe outer wall is filled after section injection closure glue.
2. hole sealing device can be recycled in coal bed gas extraction drilling mucus dynamic according to claim 1, it is characterised in that: institute It states orifice expansion capsule and bore end expanded capsule and is equipped with head protector at the both ends that drilling opens up direction, the head protector is swollen as aperture The protection cap of swollen capsule and bore end expanded capsule end, and head protector is the elastic component with retractility.
3. hole sealing device can be recycled in coal bed gas extraction drilling mucus dynamic according to claim 2, it is characterised in that: institute Stating dynamic grouting system includes liquid storage container, into glue hose, pressurization glue-injecting pump and the first hose, described to set into glue hose first segment In in liquid storage container, the glue inlet of second end connection pressurization glue-injecting pump, the first end of first hose connects pressurization glue-injecting pump Gum outlet, the position for closing on pressurization glue-injecting pump into glue hose be equipped with glue-feeder regulating valve, first hose close on plus The position of pressure glue-injecting pump is equipped with gum outlet regulating valve.
4. hole sealing device can be recycled in coal bed gas extraction drilling mucus dynamic according to claim 3, it is characterised in that: institute It states the second high-pressure hose and is equipped with the pressure gauge component for being used for detecting colloid pressure in the second high-pressure hose pipe.
5. hole sealing device can be recycled in coal bed gas extraction drilling mucus dynamic according to claim 4, it is characterised in that: institute Stating pressure gauge component includes injecting glue shut-off valve, monitoring pressure gauge regulating valve, pressure gauge connector and pressure gauge, and wherein injecting glue ends Valve is arranged on intermediate hose tube body, and the pressure gauge is connected between on hose by pressure gauge connector, and pressure gauge connects Connector is equipped with monitoring pressure gauge regulating valve.
6. method for sealing can be recycled in a kind of coal bed gas extraction drilling mucus dynamic, coal seam watt as claimed in claim 5 is used Hole sealing device can be recycled in this extraction borehole mucus dynamic, it is characterised in that: include the following steps,
Two intermediate hoses are connected to orifice expansion capsule, bore end expanded capsule respectively before step 1, sealing of hole, and by aperture Expanded capsule, bore end expanded capsule are sleeved on hole sealing tube;
The orifice expansion capsule connected, bore end expanded capsule and hole sealing tube are sent into drilling and sealing section by step 2;
Step 3 will be placed on the bottom in liquid storage container into glue hose, fill viscolloid in liquid storage container, will be into glue hose It is connected with pressurization glue-injecting pump;
Step 4, the glue-injecting pump that will pressurize in the first hose and intermediate hose by connecting;
Step 5 opens injecting glue shut-off valve and monitoring pressure gauge regulating valve, pressurization glue-injecting pump is opened, by the sticky glue of liquid storage container Body is implanted sequentially orifice expansion capsule, bore end expanded capsule and sealing section;
Step 6, after pressure gauge numerical value reaches certain numerical value, be first shut off injecting glue shut-off valve, then rapidly close pressurization injecting glue Pump, drilling and sealing are completed.
7. method for sealing can be recycled in coal bed gas extraction drilling mucus dynamic according to claim 6, it is characterised in that: bore After the completion of the sealing of hole of hole, periodic observation pressure gauge data repeat step 3-step 6 when pressure gauge numerical value is decreased obviously, and carry out Secondary fluid infusion.
CN201811544149.0A 2018-12-17 2018-12-17 Hole sealing device and method can be recycled in a kind of coal bed gas extraction drilling mucus dynamic Pending CN109488250A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110068256A (en) * 2019-06-04 2019-07-30 吕梁学院 A kind of mechanical swelling type sealing of hole and slip casting integration LARGE APERTURE STATIC IMAGING broken rock device and application method
CN110984908A (en) * 2019-12-26 2020-04-10 河南理工大学 Hole sealing equipment for gas extraction
CN111550281A (en) * 2020-05-11 2020-08-18 平顶山天安煤业股份有限公司 Drilling and hole sealing structure for coal mine gas drainage
CN113027423A (en) * 2021-01-21 2021-06-25 河南理工大学 Device and method for detecting sealing performance of extraction plugging section of cross-layer drilling
CN113216936A (en) * 2021-06-21 2021-08-06 山东科技大学 Overburden crack detection drilling device with data monitoring function
CN113466059A (en) * 2021-06-18 2021-10-01 武汉科技大学 Seepage-proofing device, shearing box and use method of seepage-proofing device
CN114526032A (en) * 2022-02-18 2022-05-24 中煤科工集团重庆研究院有限公司 Rapid hole sealing equipment and method for extraction pipe
CN114635742A (en) * 2022-03-28 2022-06-17 韩城市枣庄实业有限公司 Broken soft coal seam hydraulic fracturing hole protection system and method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704984A (en) * 2012-04-28 2012-10-03 中国矿业大学 Borehole high-concentration gas extraction and drainage method and device thereof
CN102937011A (en) * 2012-12-03 2013-02-20 中国矿业大学 Secondary grouting and plugging device and method of regional crack field of gas extraction and drilling group
CN204703947U (en) * 2015-06-29 2015-10-14 山东鼎安检测技术有限公司 A kind of soft coal petrography in mine up drilling gas pressure observation system
CN204899914U (en) * 2015-08-21 2015-12-23 华北科技学院 Liquid gas piezometry appearance is annotated to negative pressure
CN105840134A (en) * 2016-04-08 2016-08-10 河南理工大学 Single-bag grouting hole sealing device for upward crossing boreholes and hole sealing method adopting single-bag grouting hole sealing device
CN108119094A (en) * 2018-02-25 2018-06-05 中国平煤神马能源化工集团有限责任公司 Deep fractures mash gas pumping drilling two blocks up one row's hole sealing device of a note and application method
CN108757011A (en) * 2018-07-13 2018-11-06 中国矿业大学(北京) A kind of gas drilling plugging equipment and method based on the conjunction of positive-negative press seal bridging
CN108798590A (en) * 2018-05-04 2018-11-13 中国矿业大学 A kind of down-hole coal bed water filling hole sealing device
CN209413884U (en) * 2018-12-17 2019-09-20 煤科集团沈阳研究院有限公司 A kind of recyclable hole sealing device of coal bed gas extraction drilling mucus dynamic

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704984A (en) * 2012-04-28 2012-10-03 中国矿业大学 Borehole high-concentration gas extraction and drainage method and device thereof
CN102937011A (en) * 2012-12-03 2013-02-20 中国矿业大学 Secondary grouting and plugging device and method of regional crack field of gas extraction and drilling group
CN204703947U (en) * 2015-06-29 2015-10-14 山东鼎安检测技术有限公司 A kind of soft coal petrography in mine up drilling gas pressure observation system
CN204899914U (en) * 2015-08-21 2015-12-23 华北科技学院 Liquid gas piezometry appearance is annotated to negative pressure
CN105840134A (en) * 2016-04-08 2016-08-10 河南理工大学 Single-bag grouting hole sealing device for upward crossing boreholes and hole sealing method adopting single-bag grouting hole sealing device
CN108119094A (en) * 2018-02-25 2018-06-05 中国平煤神马能源化工集团有限责任公司 Deep fractures mash gas pumping drilling two blocks up one row's hole sealing device of a note and application method
CN108798590A (en) * 2018-05-04 2018-11-13 中国矿业大学 A kind of down-hole coal bed water filling hole sealing device
CN108757011A (en) * 2018-07-13 2018-11-06 中国矿业大学(北京) A kind of gas drilling plugging equipment and method based on the conjunction of positive-negative press seal bridging
CN209413884U (en) * 2018-12-17 2019-09-20 煤科集团沈阳研究院有限公司 A kind of recyclable hole sealing device of coal bed gas extraction drilling mucus dynamic

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110068256A (en) * 2019-06-04 2019-07-30 吕梁学院 A kind of mechanical swelling type sealing of hole and slip casting integration LARGE APERTURE STATIC IMAGING broken rock device and application method
CN110068256B (en) * 2019-06-04 2023-06-20 吕梁学院 Mechanical expansion type hole sealing and grouting integrated large-aperture static rock breaking device and use method
CN110984908A (en) * 2019-12-26 2020-04-10 河南理工大学 Hole sealing equipment for gas extraction
CN110984908B (en) * 2019-12-26 2021-12-07 河南理工大学 Hole sealing equipment for gas extraction
CN111550281A (en) * 2020-05-11 2020-08-18 平顶山天安煤业股份有限公司 Drilling and hole sealing structure for coal mine gas drainage
CN111550281B (en) * 2020-05-11 2021-07-16 平顶山天安煤业股份有限公司 Drilling and hole sealing structure for coal mine gas drainage
CN113027423A (en) * 2021-01-21 2021-06-25 河南理工大学 Device and method for detecting sealing performance of extraction plugging section of cross-layer drilling
CN113027423B (en) * 2021-01-21 2023-09-22 河南理工大学 Device and method for detecting tightness of drainage plugging section of through-layer drilling
CN113466059A (en) * 2021-06-18 2021-10-01 武汉科技大学 Seepage-proofing device, shearing box and use method of seepage-proofing device
CN113216936A (en) * 2021-06-21 2021-08-06 山东科技大学 Overburden crack detection drilling device with data monitoring function
CN114526032A (en) * 2022-02-18 2022-05-24 中煤科工集团重庆研究院有限公司 Rapid hole sealing equipment and method for extraction pipe
CN114635742A (en) * 2022-03-28 2022-06-17 韩城市枣庄实业有限公司 Broken soft coal seam hydraulic fracturing hole protection system and method

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Application publication date: 20190319