GB1454305A - Standpipe device - Google Patents

Standpipe device

Info

Publication number
GB1454305A
GB1454305A GB348274A GB348274A GB1454305A GB 1454305 A GB1454305 A GB 1454305A GB 348274 A GB348274 A GB 348274A GB 348274 A GB348274 A GB 348274A GB 1454305 A GB1454305 A GB 1454305A
Authority
GB
United Kingdom
Prior art keywords
methane
wedge shaped
jan
wedge
drainage
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.)
Expired
Application number
GB348274A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB348274A priority Critical patent/GB1454305A/en
Priority to DE19752502487 priority patent/DE2502487A1/de
Priority to BE152707A priority patent/BE824774A/xx
Priority to FR7502298A priority patent/FR2259227B3/fr
Publication of GB1454305A publication Critical patent/GB1454305A/en
Expired legal-status Critical Current

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • 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
    • 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
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/01—Sealings characterised by their shape

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)
  • Projection Apparatus (AREA)
  • Earth Drilling (AREA)
GB348274A 1974-01-25 1974-01-25 Standpipe device Expired GB1454305A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB348274A GB1454305A (en) 1974-01-25 1974-01-25 Standpipe device
DE19752502487 DE2502487A1 (de) 1974-01-25 1975-01-22 Standrohr-einrichtung, insbesondere fuer methanhaltige gesteinsschichten
BE152707A BE824774A (fr) 1974-01-25 1975-01-24 Dispositif a colonne montante
FR7502298A FR2259227B3 (enrdf_load_stackoverflow) 1974-01-25 1975-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB348274A GB1454305A (en) 1974-01-25 1974-01-25 Standpipe device

Publications (1)

Publication Number Publication Date
GB1454305A true GB1454305A (en) 1976-11-03

Family

ID=9759164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB348274A Expired GB1454305A (en) 1974-01-25 1974-01-25 Standpipe device

Country Status (4)

Country Link
BE (1) BE824774A (enrdf_load_stackoverflow)
DE (1) DE2502487A1 (enrdf_load_stackoverflow)
FR (1) FR2259227B3 (enrdf_load_stackoverflow)
GB (1) GB1454305A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109899005A (zh) * 2019-03-22 2019-06-18 淮南矿业(集团)有限责任公司 用于钻孔瓦斯抽采的套管

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9200730L (sv) * 1992-03-09 1993-06-28 Anders Nelson Saett att vid bergborrning utfoera avtaetning mellan foderroer och borrhaal jaemte anordning foer saettets genomfoerande
FR3078993B1 (fr) * 2018-03-13 2020-06-05 Brgm Procede et dispositif de mise en securite d'un operateur sur le site d'un reservoir de gaz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109899005A (zh) * 2019-03-22 2019-06-18 淮南矿业(集团)有限责任公司 用于钻孔瓦斯抽采的套管
CN109899005B (zh) * 2019-03-22 2020-03-10 淮南矿业(集团)有限责任公司 用于钻孔瓦斯抽采的套管

Also Published As

Publication number Publication date
DE2502487A1 (de) 1975-07-31
FR2259227B3 (enrdf_load_stackoverflow) 1977-10-21
BE824774A (fr) 1975-07-24
FR2259227A1 (enrdf_load_stackoverflow) 1975-08-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee