CN112983385A - 碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 - Google Patents
碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 Download PDFInfo
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- CN112983385A CN112983385A CN202110515199.1A CN202110515199A CN112983385A CN 112983385 A CN112983385 A CN 112983385A CN 202110515199 A CN202110515199 A CN 202110515199A CN 112983385 A CN112983385 A CN 112983385A
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- 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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Geophysics And Detection Of Objects (AREA)
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CN202110619219.XA CN113464121B (zh) | 2021-05-12 | 2021-05-12 | 一种随钻方位伽马地质导向钻进轨迹确定方法 |
CN202110515199.1A CN112983385B (zh) | 2021-05-12 | 2021-05-12 | 碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 |
AU2021445202A AU2021445202A1 (en) | 2021-05-12 | 2021-12-23 | Segmented fracturing horizontal well coal seam gas extraction method for broken soft low-permeability coal seam roof or floor |
PCT/CN2021/140941 WO2022237177A1 (zh) | 2021-05-12 | 2021-12-23 | 碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 |
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CN202110619219.XA Active CN113464121B (zh) | 2021-05-12 | 2021-05-12 | 一种随钻方位伽马地质导向钻进轨迹确定方法 |
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AU (1) | AU2021445202A1 (zh) |
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Cited By (6)
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CN113494283A (zh) * | 2021-09-08 | 2021-10-12 | 中国科学院地质与地球物理研究所 | 超浅层-浅层页岩气地质工程一体化开发方法 |
CN113530497A (zh) * | 2021-09-17 | 2021-10-22 | 中煤科工集团西安研究院有限公司 | 转折径向井装置及分段引导水平压裂井煤层气抽采方法 |
CN113605874A (zh) * | 2021-08-10 | 2021-11-05 | 山西蓝焰煤层气集团有限责任公司 | 一种碎软煤层顶底板双层水平井煤层气抽采的方法 |
CN114439428A (zh) * | 2021-12-30 | 2022-05-06 | 中煤科工集团西安研究院有限公司 | 穿采空区群下组煤煤层气水平井强化抽采方法 |
WO2022237177A1 (zh) * | 2021-05-12 | 2022-11-17 | 中煤科工集团西安研究院有限公司 | 碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 |
CN115628100A (zh) * | 2022-10-28 | 2023-01-20 | 铁福来装备制造集团股份有限公司 | 煤层打孔造穴方法 |
Families Citing this family (4)
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CN114294059B (zh) * | 2021-12-29 | 2024-05-07 | 中煤科工开采研究院有限公司 | 一种坚硬岩层水力压裂层位高精度控制方法 |
CN116291353B (zh) * | 2023-03-09 | 2024-03-15 | 核工业北京化工冶金研究院 | 一种扩大砂岩铀矿原地浸出溶浸剂波及范围的方法 |
CN117027934B (zh) * | 2023-07-05 | 2024-06-07 | 中国矿业大学 | 一种针对煤矿顶板水害治理的含水层抽排孔布置方法 |
CN117287177A (zh) * | 2023-08-18 | 2023-12-26 | 甘肃靖远煤电股份有限公司魏家地煤矿 | 一种基于连续性憋放压的煤层气井空气动力造穴方法 |
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2021
- 2021-05-12 CN CN202110515199.1A patent/CN112983385B/zh active Active
- 2021-05-12 CN CN202110619219.XA patent/CN113464121B/zh active Active
- 2021-12-23 AU AU2021445202A patent/AU2021445202A1/en active Pending
- 2021-12-23 WO PCT/CN2021/140941 patent/WO2022237177A1/zh active Application Filing
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022237177A1 (zh) * | 2021-05-12 | 2022-11-17 | 中煤科工集团西安研究院有限公司 | 碎软低渗煤层顶板或底板分段压裂水平井煤层气抽采方法 |
CN113605874A (zh) * | 2021-08-10 | 2021-11-05 | 山西蓝焰煤层气集团有限责任公司 | 一种碎软煤层顶底板双层水平井煤层气抽采的方法 |
CN113605874B (zh) * | 2021-08-10 | 2023-02-10 | 山西蓝焰煤层气集团有限责任公司 | 一种碎软煤层顶底板双层水平井煤层气抽采的方法 |
CN113494283A (zh) * | 2021-09-08 | 2021-10-12 | 中国科学院地质与地球物理研究所 | 超浅层-浅层页岩气地质工程一体化开发方法 |
CN113530497A (zh) * | 2021-09-17 | 2021-10-22 | 中煤科工集团西安研究院有限公司 | 转折径向井装置及分段引导水平压裂井煤层气抽采方法 |
CN114439428A (zh) * | 2021-12-30 | 2022-05-06 | 中煤科工集团西安研究院有限公司 | 穿采空区群下组煤煤层气水平井强化抽采方法 |
CN114439428B (zh) * | 2021-12-30 | 2023-08-25 | 中煤科工集团西安研究院有限公司 | 穿采空区群下组煤煤层气水平井强化抽采方法 |
CN115628100A (zh) * | 2022-10-28 | 2023-01-20 | 铁福来装备制造集团股份有限公司 | 煤层打孔造穴方法 |
CN115628100B (zh) * | 2022-10-28 | 2024-01-23 | 铁福来装备制造集团股份有限公司 | 煤层打孔造穴方法 |
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CN113464121B (zh) | 2023-08-25 |
CN113464121A (zh) | 2021-10-01 |
AU2021445202A1 (en) | 2023-10-19 |
CN112983385B (zh) | 2021-08-10 |
WO2022237177A1 (zh) | 2022-11-17 |
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