CN111980631B - 一种采空区与下伏煤层协同瓦斯抽采的方法 - Google Patents
一种采空区与下伏煤层协同瓦斯抽采的方法 Download PDFInfo
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- CN111980631B CN111980631B CN202010802778.XA CN202010802778A CN111980631B CN 111980631 B CN111980631 B CN 111980631B CN 202010802778 A CN202010802778 A CN 202010802778A CN 111980631 B CN111980631 B CN 111980631B
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- extraction
- gas
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- goaf
- coal bed
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/30—Specific pattern of wells, e.g. optimizing the spacing of wells
- E21B43/305—Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010802778.XA CN111980631B (zh) | 2020-08-11 | 2020-08-11 | 一种采空区与下伏煤层协同瓦斯抽采的方法 |
Applications Claiming Priority (1)
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CN202010802778.XA CN111980631B (zh) | 2020-08-11 | 2020-08-11 | 一种采空区与下伏煤层协同瓦斯抽采的方法 |
Publications (2)
Publication Number | Publication Date |
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CN111980631A CN111980631A (zh) | 2020-11-24 |
CN111980631B true CN111980631B (zh) | 2022-11-18 |
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CN202010802778.XA Active CN111980631B (zh) | 2020-08-11 | 2020-08-11 | 一种采空区与下伏煤层协同瓦斯抽采的方法 |
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CN (1) | CN111980631B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1693654A (zh) * | 2005-06-02 | 2005-11-09 | 淮南矿业(集团)有限责任公司 | 地面钻井抽采采动区、采空区卸压瓦斯方法 |
CN107575262A (zh) * | 2017-07-31 | 2018-01-12 | 山西晋城无烟煤矿业集团有限责任公司 | 一种快速抽采采动卸压区下伏煤层瓦斯的方法 |
CN107905834A (zh) * | 2017-12-20 | 2018-04-13 | 中原工学院 | 一种低渗高突煤层体系化瓦斯开采方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7048049B2 (en) * | 2001-10-30 | 2006-05-23 | Cdx Gas, Llc | Slant entry well system and method |
US7163063B2 (en) * | 2003-11-26 | 2007-01-16 | Cdx Gas, Llc | Method and system for extraction of resources from a subterranean well bore |
US8886502B2 (en) * | 2009-11-25 | 2014-11-11 | Halliburton Energy Services, Inc. | Simulating injection treatments from multiple wells |
CN102031950B (zh) * | 2010-12-06 | 2012-02-15 | 煤炭科学研究总院西安研究院 | 煤层顶板梳状瓦斯抽采钻孔的成孔工艺方法 |
CN102080518B (zh) * | 2011-01-17 | 2012-08-22 | 河南理工大学 | 煤层顶板复杂分支井抽采瓦斯方法 |
CN102261261B (zh) * | 2011-08-15 | 2013-03-27 | 河南理工大学 | 构造煤发育区钻进、增透一体化装置 |
CN104989330A (zh) * | 2015-08-03 | 2015-10-21 | 中国神华能源股份有限公司 | 煤层气开采方法 |
CN105927191B (zh) * | 2016-06-21 | 2018-05-04 | 太原理工大学 | 一种刀柱式老空区及下煤层煤层气联合开采的方法 |
CN106014345B (zh) * | 2016-06-21 | 2018-11-13 | 太原理工大学 | 一种下部垮落法开采形成的复合老空区煤层气的抽采方法 |
CN109209474B (zh) * | 2018-09-27 | 2020-07-28 | 太原理工大学 | 一种双分支井抽取下煤层及上部多采空区瓦斯与积水的方法 |
CN111022108A (zh) * | 2019-12-24 | 2020-04-17 | 山西晋城无烟煤矿业集团有限责任公司 | 一种抽采采空区瓦斯的方法 |
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2020
- 2020-08-11 CN CN202010802778.XA patent/CN111980631B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1693654A (zh) * | 2005-06-02 | 2005-11-09 | 淮南矿业(集团)有限责任公司 | 地面钻井抽采采动区、采空区卸压瓦斯方法 |
CN107575262A (zh) * | 2017-07-31 | 2018-01-12 | 山西晋城无烟煤矿业集团有限责任公司 | 一种快速抽采采动卸压区下伏煤层瓦斯的方法 |
CN107905834A (zh) * | 2017-12-20 | 2018-04-13 | 中原工学院 | 一种低渗高突煤层体系化瓦斯开采方法 |
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Inventor after: Guo Huabo Inventor after: Hu Shengyong Inventor after: Feng Guorui Inventor after: Tang Yibo Inventor after: Wu Dengyu Inventor after: Hu Lanqing Inventor after: Yang Yutao Inventor after: Li Chao Inventor before: Hu Shengyong Inventor before: Guo Huabo Inventor before: Feng Guorui Inventor before: Wu Dengyu Inventor before: Hu Lanqing Inventor before: Yang Yutao Inventor before: Li Chao |
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