AU2019264691A1 - Pressure-controlled single-pump drainage device and method for independent gas-bearing systems in multiple coal seams - Google Patents
Pressure-controlled single-pump drainage device and method for independent gas-bearing systems in multiple coal seams Download PDFInfo
- Publication number
- AU2019264691A1 AU2019264691A1 AU2019264691A AU2019264691A AU2019264691A1 AU 2019264691 A1 AU2019264691 A1 AU 2019264691A1 AU 2019264691 A AU2019264691 A AU 2019264691A AU 2019264691 A AU2019264691 A AU 2019264691A AU 2019264691 A1 AU2019264691 A1 AU 2019264691A1
- Authority
- AU
- Australia
- Prior art keywords
- gas
- inner casing
- independent
- limiting valve
- annular flow
- 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.)
- Abandoned
Links
- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 238000004088 simulation Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 130
- 238000010586 diagram Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
-
- 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
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- General Engineering & Computer Science (AREA)
- Operations Research (AREA)
- Pipeline Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240197.0A CN109458161A (zh) | 2018-10-24 | 2018-10-24 | 一种多煤层独立含气系统控压单泵排采装置及排采方法 |
| CN201811240197.0 | 2018-10-24 | ||
| PCT/CN2019/085482 WO2020082716A1 (zh) | 2018-10-24 | 2019-05-05 | 一种多煤层独立含气系统控压单泵排采装置及排采方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2019264691A1 true AU2019264691A1 (en) | 2020-05-14 |
Family
ID=65608235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2019264691A Abandoned AU2019264691A1 (en) | 2018-10-24 | 2019-05-05 | Pressure-controlled single-pump drainage device and method for independent gas-bearing systems in multiple coal seams |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6838172B2 (ja) |
| KR (1) | KR102366868B1 (ja) |
| CN (1) | CN109458161A (ja) |
| AU (1) | AU2019264691A1 (ja) |
| WO (1) | WO2020082716A1 (ja) |
| ZA (1) | ZA202000092B (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458161A (zh) * | 2018-10-24 | 2019-03-12 | 中国矿业大学 | 一种多煤层独立含气系统控压单泵排采装置及排采方法 |
| CN109973058B (zh) * | 2019-04-17 | 2021-04-30 | 中国矿业大学 | 一种双层叠置含煤层气系统单井排采装置及排采方法 |
| CN110714739B (zh) * | 2019-11-25 | 2021-09-24 | 中国矿业大学 | 一种双层叠置含煤层气系统单井排采地面装置 |
| CN114718512B (zh) * | 2021-01-05 | 2023-08-22 | 中国石油天然气股份有限公司 | 煤层气降压排采模拟实验装置和方法 |
| CN112832716A (zh) * | 2021-01-15 | 2021-05-25 | 中煤科工集团西安研究院有限公司 | 一种双煤层孔眼限流分层控水煤层气井排采方法及装置 |
| CN114856494B (zh) * | 2021-02-04 | 2024-03-26 | 中国石油天然气股份有限公司 | 煤层气合采井气水产出剖面测试方法 |
| CN113309491B (zh) * | 2021-06-21 | 2022-04-26 | 中国地质大学（北京） | 一种多煤层合采的高效合采装置及合采方法 |
| CN114320237B (zh) * | 2021-12-20 | 2023-08-15 | 中煤地质集团有限公司 | 一种新型复合煤成气藏煤层气多层合采方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010800A (en) * | 1976-03-08 | 1977-03-08 | In Situ Technology, Inc. | Producing thin seams of coal in situ |
| US7735559B2 (en) * | 2008-04-21 | 2010-06-15 | Schlumberger Technology Corporation | System and method to facilitate treatment and production in a wellbore |
| CN102434135B (zh) * | 2011-12-02 | 2014-07-30 | 河南理工大学 | 多煤层发育区合层排采设备 |
| CN103061724B (zh) * | 2013-01-21 | 2016-06-01 | 中煤科工集团西安研究院有限公司 | 面向易吐粉吐砂双煤层的分层控压联合排采装置 |
| CN103089204B (zh) * | 2013-01-21 | 2015-04-08 | 中煤科工集团西安研究院有限公司 | 双煤层分层控压联合排采装置 |
| CN103527148B (zh) * | 2013-09-26 | 2015-02-11 | 中煤科工集团西安研究院有限公司 | 一种双套管单泵分层控压合层排采技术及装置 |
| CN203515494U (zh) * | 2013-09-26 | 2014-04-02 | 中煤科工集团西安研究院有限公司 | 一种双套管单泵分层控压合层排采设备 |
| CN104295292B (zh) * | 2014-08-14 | 2016-10-26 | 中国矿业大学 | 多层叠置煤层气系统开采井设计方法 |
| CN105756628B (zh) * | 2014-12-18 | 2018-06-19 | 思达斯易能源技术(集团)有限公司 | 一种控水限流装置 |
| CN104912522B (zh) * | 2015-05-11 | 2017-06-23 | 中国矿业大学 | 一种高应力区煤层气井合层排采装置及工艺 |
| CN105649578B (zh) * | 2016-01-29 | 2018-11-13 | 西南石油大学 | 煤层气直井双层分压合采方法及其装置 |
| CN106121598A (zh) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | 油井分层产液测控实验装置 |
| CN109458161A (zh) * | 2018-10-24 | 2019-03-12 | 中国矿业大学 | 一种多煤层独立含气系统控压单泵排采装置及排采方法 |
-
2018
- 2018-10-24 CN CN201811240197.0A patent/CN109458161A/zh active Pending
-
2019
- 2019-05-05 AU AU2019264691A patent/AU2019264691A1/en not_active Abandoned
- 2019-05-05 JP JP2019565863A patent/JP6838172B2/ja active Active
- 2019-05-05 WO PCT/CN2019/085482 patent/WO2020082716A1/zh active Application Filing
- 2019-05-05 KR KR1020197033081A patent/KR102366868B1/ko active IP Right Grant
-
2020
- 2020-01-07 ZA ZA2020/00092A patent/ZA202000092B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR102366868B1 (ko) | 2022-02-24 |
| KR20200047448A (ko) | 2020-05-07 |
| JP6838172B2 (ja) | 2021-03-03 |
| JP2021503052A (ja) | 2021-02-04 |
| WO2020082716A1 (zh) | 2020-04-30 |
| CN109458161A (zh) | 2019-03-12 |
| ZA202000092B (en) | 2021-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |