ZA202213461B - Low-temperature sealed coal core drilling device of underground coal mine and method thereof - Google Patents

Low-temperature sealed coal core drilling device of underground coal mine and method thereof

Info

Publication number
ZA202213461B
ZA202213461B ZA2022/13461A ZA202213461A ZA202213461B ZA 202213461 B ZA202213461 B ZA 202213461B ZA 2022/13461 A ZA2022/13461 A ZA 2022/13461A ZA 202213461 A ZA202213461 A ZA 202213461A ZA 202213461 B ZA202213461 B ZA 202213461B
Authority
ZA
South Africa
Prior art keywords
low
drilling device
core drilling
temperature sealed
coal mine
Prior art date
Application number
ZA2022/13461A
Inventor
Xun Zhao
Hongsheng Li
Baisong Liu
Zhengpeng Duan
Xing Li
Original Assignee
Guizhou Mine Safety Scient Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Mine Safety Scient Research Institute Co Ltd filed Critical Guizhou Mine Safety Scient Research Institute Co Ltd
Publication of ZA202213461B publication Critical patent/ZA202213461B/en

Links

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/08—Coating, freezing, consolidating cores; Recovering uncontaminated cores or cores at formation pressure
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sampling And Sample Adjustment (AREA)
ZA2022/13461A 2022-02-09 2022-12-13 Low-temperature sealed coal core drilling device of underground coal mine and method thereof ZA202213461B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210122459.3A CN114396240B (en) 2022-02-09 2022-02-09 Underground low-temperature airtight coal core drilling device and method for coal mine

Publications (1)

Publication Number Publication Date
ZA202213461B true ZA202213461B (en) 2023-07-26

Family

ID=81233020

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/13461A ZA202213461B (en) 2022-02-09 2022-12-13 Low-temperature sealed coal core drilling device of underground coal mine and method thereof

Country Status (2)

Country Link
CN (1) CN114396240B (en)
ZA (1) ZA202213461B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115478800B (en) * 2022-09-19 2023-09-19 中煤科工集团重庆研究院有限公司 Coal seam fixed-point quick-freezing coring device and coring method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7913775B2 (en) * 2007-12-27 2011-03-29 Schlumberger Technology Corporation Subsurface formation core acquisition system using high speed data and control telemetry
CN101532922B (en) * 2008-03-14 2011-08-31 吉林大学 Gas hydrate hole-bottom frozen sampler and sampling method thereof
CN101514614B (en) * 2009-04-02 2011-12-28 吉林大学 Dry ice sublimation hole bottom refrigerating and pressure keeping sampler and sampling method
CN105378220B (en) * 2013-08-01 2019-04-02 哈利伯顿能源服务公司 It receives and measures the discharge gas from core sample
CN104453759B (en) * 2014-12-08 2018-06-26 中煤科工集团西安研究院有限公司 Ground drilling coal bed gas, rock stratum Gas content test sealing core drilling device
KR101691967B1 (en) * 2015-09-04 2017-01-02 주식회사 지아이이엔지 Apparatus for sampling core
CN107448188B (en) * 2017-10-12 2020-06-12 中国矿业大学 Coal bed gas parameter while-drilling test method and device
CN107806341B (en) * 2017-12-19 2020-09-15 焦作煤业（集团）有限责任公司 Coal mine deep hole fixed point airtight sampling device and sampling method
CN111335837B (en) * 2018-12-19 2022-06-03 中国石油天然气股份有限公司 Pressure-maintaining coring inner barrel for coal rock
CN109681140B (en) * 2018-12-26 2023-09-01 深圳大学 Rock sample fidelity coring device
CN210013681U (en) * 2018-12-26 2020-02-04 深圳大学 Rock sample fidelity coring system
CN110646236A (en) * 2019-09-29 2020-01-03 中煤科工集团重庆研究院有限公司 Coal seam sealing and sampling device while drilling
CN111122238A (en) * 2020-02-27 2020-05-08 焦作煤业（集团）有限责任公司 While-drilling fixed-point airtight sampling device and sampling method
CN111485841B (en) * 2020-04-21 2022-03-25 中煤科工集团西安研究院有限公司 Coal mine underground long-distance fixed-point in-situ closed coring device and method
CN113356779B (en) * 2021-07-14 2022-03-29 西南石油大学 Coring device and coring method
CN113653455B (en) * 2021-10-19 2022-01-28 中煤科工集团西安研究院有限公司 Coal seam and soft rock stratum drilling while-drilling airtight coring device and method

Also Published As

Publication number Publication date
CN114396240B (en) 2023-05-30
CN114396240A (en) 2022-04-26

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