ZA202000362B - Pressure relief anti-outburst drilling machine - Google Patents

Pressure relief anti-outburst drilling machine

Info

Publication number
ZA202000362B
ZA202000362B ZA2020/00362A ZA202000362A ZA202000362B ZA 202000362 B ZA202000362 B ZA 202000362B ZA 2020/00362 A ZA2020/00362 A ZA 2020/00362A ZA 202000362 A ZA202000362 A ZA 202000362A ZA 202000362 B ZA202000362 B ZA 202000362B
Authority
ZA
South Africa
Prior art keywords
pressure relief
drilling machine
relief anti
outburst
outburst drilling
Prior art date
Application number
ZA2020/00362A
Inventor
Lei Wang
Qiupeng Yuan
Anying Yuan
Original Assignee
Univ Anhui Sci & Technology
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 Univ Anhui Sci & Technology filed Critical Univ Anhui Sci & Technology
Publication of ZA202000362B publication Critical patent/ZA202000362B/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • 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
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/04—Safety devices
    • 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices

Landscapes

  • 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)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
ZA2020/00362A 2019-01-25 2020-01-20 Pressure relief anti-outburst drilling machine ZA202000362B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910072459.5A CN109611072A (en) 2019-01-25 2019-01-25 A kind of pressure-relief outburst-prevention drilling machine

Publications (1)

Publication Number Publication Date
ZA202000362B true ZA202000362B (en) 2020-12-23

Family

ID=66018288

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2020/00362A ZA202000362B (en) 2019-01-25 2020-01-20 Pressure relief anti-outburst drilling machine

Country Status (3)

Country Link
CN (1) CN109611072A (en)
WO (1) WO2020151208A1 (en)
ZA (1) ZA202000362B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653689A (en) * 2019-01-25 2019-04-19 安徽理工大学 A kind of water conservancy diversion drilling rod
CN109611072A (en) * 2019-01-25 2019-04-12 安徽理工大学 A kind of pressure-relief outburst-prevention drilling machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544208A (en) * 1984-07-23 1985-10-01 Concoco Inc. Degasification of coal
CN101446178B (en) * 2008-11-13 2011-11-16 煤炭科学研究总院西安研究院 Wind pressure air drilling equipment in downhole soft outbursting coal bed and process matched therewith
CN202017459U (en) * 2011-04-18 2011-10-26 崔钢明 Drill rod with double powder discharging channels
CN204782970U (en) * 2015-07-15 2015-11-18 河南理工大学 Low permeability coal seam water conservancy slot system
CN105485387A (en) * 2016-01-05 2016-04-13 淮南市矿用电子技术研究所 Graded flow guide pressure relief valve and installation and use method thereof
CN109653689A (en) * 2019-01-25 2019-04-19 安徽理工大学 A kind of water conservancy diversion drilling rod
CN109611072A (en) * 2019-01-25 2019-04-12 安徽理工大学 A kind of pressure-relief outburst-prevention drilling machine

Also Published As

Publication number Publication date
CN109611072A (en) 2019-04-12
WO2020151208A1 (en) 2020-07-30

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