CN111980631A - 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
- Publication number
- CN111980631A CN111980631A CN202010802778.XA CN202010802778A CN111980631A CN 111980631 A CN111980631 A CN 111980631A CN 202010802778 A CN202010802778 A CN 202010802778A CN 111980631 A CN111980631 A CN 111980631A
- Authority
- CN
- China
- Prior art keywords
- extraction
- gas
- section
- goaf
- coal seam
- 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
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 (10)
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)
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111980631A true CN111980631A (zh) | 2020-11-24 |
CN111980631B CN111980631B (zh) | 2022-11-18 |
Family
ID=73434232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111980631B (zh) |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1440220A1 (en) * | 2001-10-30 | 2004-07-28 | CDX Gas, LLC | An entry well with slanted well bores and method |
US20050109505A1 (en) * | 2003-11-26 | 2005-05-26 | Cdx Gas, Llc | Method and system for extraction of resources from a subterranean well bore |
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 |
CN102031950A (zh) * | 2010-12-06 | 2011-04-27 | 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 |
US20110120705A1 (en) * | 2009-11-25 | 2011-05-26 | Halliburton Energy Services, Inc. | Simulating Injection Treatments from Multiple Wells |
CN102080518A (zh) * | 2011-01-17 | 2011-06-01 | 河南理工大学 | 煤层顶板复杂分支井抽采瓦斯方法 |
CN102261261A (zh) * | 2011-08-15 | 2011-11-30 | 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 |
CN105927191A (zh) * | 2016-06-21 | 2016-09-07 | 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 |
CN106014345A (zh) * | 2016-06-21 | 2016-10-12 | 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 |
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 |
CN109209474A (zh) * | 2018-09-27 | 2019-01-15 | 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 |
-
2020
- 2020-08-11 CN CN202010802778.XA patent/CN111980631B/zh active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1440220A1 (en) * | 2001-10-30 | 2004-07-28 | CDX Gas, LLC | An entry well with slanted well bores and method |
US20050109505A1 (en) * | 2003-11-26 | 2005-05-26 | Cdx Gas, Llc | Method and system for extraction of resources from a subterranean well bore |
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 |
US20110120705A1 (en) * | 2009-11-25 | 2011-05-26 | Halliburton Energy Services, Inc. | Simulating Injection Treatments from Multiple Wells |
CN102031950A (zh) * | 2010-12-06 | 2011-04-27 | 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 |
CN102080518A (zh) * | 2011-01-17 | 2011-06-01 | 河南理工大学 | 煤层顶板复杂分支井抽采瓦斯方法 |
CN102261261A (zh) * | 2011-08-15 | 2011-11-30 | 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 |
CN105927191A (zh) * | 2016-06-21 | 2016-09-07 | 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 |
CN106014345A (zh) * | 2016-06-21 | 2016-10-12 | 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 |
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 |
CN109209474A (zh) * | 2018-09-27 | 2019-01-15 | 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 |
Non-Patent Citations (4)
Title |
---|
FENG, GR等: "A Method to Accurately Determine the Methane Enrichment Zone of a Longwall Coal Mine", 《GEOFLUIDS》 * |
李丹: "煤矿区煤层气地面钻井抽采方式及关键技术", 《煤炭工程》 * |
李国富等: "山西重点煤矿采动区煤层气地面抽采技术及应用", 《煤炭科学技术》 * |
郭向前等: "采空区瓦斯地面定向钻井抽采效果分析", 《煤炭工程》 * |
Also Published As
Publication number | Publication date |
---|---|
CN111980631B (zh) | 2022-11-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110397428B (zh) | 一种直井与u型对接井联合开采煤层气的驱替煤层气增产方法 | |
CN107905834A (zh) | 一种低渗高突煤层体系化瓦斯开采方法 | |
CN106089291B (zh) | 一种协同抽采垮落式老空区及下煤层煤层气的方法 | |
CN108194088A (zh) | 一种软顶煤层无爆破切顶卸压沿空留巷方法 | |
CN102392678A (zh) | 井上下联合压裂增透抽采瓦斯的方法 | |
CN103256025B (zh) | 一种复合井网式煤层气开采方法 | |
CN103195468A (zh) | 一种在围岩内进行高效强化抽采的系统工艺 | |
CN113738317A (zh) | 一种深部煤层气与干热岩型地热联合开采的方法 | |
WO2019205516A1 (zh) | 一种构造煤原位煤层气水平井洞穴卸压开采系统 | |
CN111535791B (zh) | 碎软低渗煤层井上下联合压裂区域瓦斯高效抽采方法 | |
CN105927191B (zh) | 一种刀柱式老空区及下煤层煤层气联合开采的方法 | |
CN104694746A (zh) | 一种离子吸附型稀土原地浸矿的方法及其浸矿系统 | |
CN111441817B (zh) | 煤层钻孔喷射压裂与采动压力协同作用强化瓦斯抽采方法 | |
CN106089290A (zh) | 一种协同抽采刀柱式老空区及下煤层煤层气的方法 | |
CN103883293A (zh) | 水力喷射径向钻孔与压裂一体化方法 | |
CN101892841A (zh) | 煤层采空区裂隙带注水观测系统 | |
CN104100244A (zh) | 一种煤层气联通井组布井方法及其在压裂增产中的应用 | |
CN108756884A (zh) | 煤矿坚硬顶板全工作面地面提前消突方法 | |
CN108843320A (zh) | 煤矿坚硬顶板全工作面巷道内提前消突方法 | |
CN103161434A (zh) | 一种页岩气等低渗透油气藏开采方法 | |
CN106917637A (zh) | 一种钻孔式岩层沉降监测系统及监测方法 | |
CN110306965A (zh) | 一种用于煤层气低产井区的增产方法 | |
CN111335944A (zh) | 一种采煤工作面矸石浆体管道协同充填方法 | |
CN106640018A (zh) | 一种煤层气v型井组开采方法 | |
CN106014345B (zh) | 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 |
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 | ||
CB03 | Change of inventor or designer information |
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 |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |