CN110130866B - 一种水力割缝与酸化脱矿相协同的煤层增透方法 - Google Patents
一种水力割缝与酸化脱矿相协同的煤层增透方法 Download PDFInfo
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- CN110130866B CN110130866B CN201910587977.0A CN201910587977A CN110130866B CN 110130866 B CN110130866 B CN 110130866B CN 201910587977 A CN201910587977 A CN 201910587977A CN 110130866 B CN110130866 B CN 110130866B
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- 239000003245 coal Substances 0.000 title claims abstract description 54
- 230000020477 pH reduction Effects 0.000 title claims abstract description 40
- 238000005115 demineralization Methods 0.000 title claims abstract description 20
- 230000035699 permeability Effects 0.000 title claims abstract description 20
- 230000002328 demineralizing effect Effects 0.000 title claims abstract description 19
- 230000001965 increasing effect Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000002253 acid Substances 0.000 claims abstract description 46
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
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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
- 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 OR ROCK 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
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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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
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CN201910587977.0A CN110130866B (zh) | 2019-07-02 | 2019-07-02 | 一种水力割缝与酸化脱矿相协同的煤层增透方法 |
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CN201910587977.0A CN110130866B (zh) | 2019-07-02 | 2019-07-02 | 一种水力割缝与酸化脱矿相协同的煤层增透方法 |
Publications (2)
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CN110130866A CN110130866A (zh) | 2019-08-16 |
CN110130866B true CN110130866B (zh) | 2021-07-30 |
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CN201910587977.0A Active CN110130866B (zh) | 2019-07-02 | 2019-07-02 | 一种水力割缝与酸化脱矿相协同的煤层增透方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110529181A (zh) * | 2019-09-05 | 2019-12-03 | 湖南科技大学 | 一种抑制矿井再生瓦斯源的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2629841B2 (de) * | 1976-07-02 | 1980-09-04 | Moskovskij Gornyj Institut, Moskau | Verfahren zur Vorbehandlung von Kohleflözen zum Senken des Gasaustrittes und der Staubbildung beim späteren Abbau |
CN106437670A (zh) * | 2016-10-31 | 2017-02-22 | 重庆大学 | 一种基于酸化手段提高煤层渗透率的方法 |
CN108166953A (zh) * | 2017-12-27 | 2018-06-15 | 武汉理工大学 | 射流割缝与co2酸压爆破联作煤岩动力灾害防治方法 |
CN108643878A (zh) * | 2018-04-13 | 2018-10-12 | 山东科技大学 | 一种高温扰动强化酸化压裂区域瓦斯抽采方法 |
CN109736765A (zh) * | 2019-01-15 | 2019-05-10 | 辽宁大学 | 一种煤层水力割缝开采注液与抽采一体化防治复合动力灾害方法及配套使用的湿润剂组合 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10100245B1 (en) * | 2017-05-15 | 2018-10-16 | Saudi Arabian Oil Company | Enhancing acid fracture conductivity |
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2019
- 2019-07-02 CN CN201910587977.0A patent/CN110130866B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2629841B2 (de) * | 1976-07-02 | 1980-09-04 | Moskovskij Gornyj Institut, Moskau | Verfahren zur Vorbehandlung von Kohleflözen zum Senken des Gasaustrittes und der Staubbildung beim späteren Abbau |
CN106437670A (zh) * | 2016-10-31 | 2017-02-22 | 重庆大学 | 一种基于酸化手段提高煤层渗透率的方法 |
CN108166953A (zh) * | 2017-12-27 | 2018-06-15 | 武汉理工大学 | 射流割缝与co2酸压爆破联作煤岩动力灾害防治方法 |
CN108643878A (zh) * | 2018-04-13 | 2018-10-12 | 山东科技大学 | 一种高温扰动强化酸化压裂区域瓦斯抽采方法 |
CN109736765A (zh) * | 2019-01-15 | 2019-05-10 | 辽宁大学 | 一种煤层水力割缝开采注液与抽采一体化防治复合动力灾害方法及配套使用的湿润剂组合 |
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