FR2259227A1 - - Google Patents

Info

Publication number
FR2259227A1
FR2259227A1 FR7502298A FR7502298A FR2259227A1 FR 2259227 A1 FR2259227 A1 FR 2259227A1 FR 7502298 A FR7502298 A FR 7502298A FR 7502298 A FR7502298 A FR 7502298A FR 2259227 A1 FR2259227 A1 FR 2259227A1
Authority
FR
France
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.)
Granted
Application number
FR7502298A
Other languages
French (fr)
Other versions
FR2259227B3 (pl
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
Publication of FR2259227A1 publication Critical patent/FR2259227A1/fr
Application granted granted Critical
Publication of FR2259227B3 publication Critical patent/FR2259227B3/fr
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)
FR7502298A 1974-01-25 1975-01-24 Expired FR2259227B3 (pl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2259227A1 true FR2259227A1 (pl) 1975-08-22
FR2259227B3 FR2259227B3 (pl) 1977-10-21

Family

ID=9759164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502298A Expired FR2259227B3 (pl) 1974-01-25 1975-01-24

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3078993A1 (fr) * 2018-03-13 2019-09-20 Brgm Procede et dispositif de mise en securite d'un operateur sur le site d'un reservoir de gaz

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469394B (sv) * 1992-03-09 1993-06-28 Anders Nelson Saett att vid bergborrning utfoera avtaetning mellan foderroer och borrhaal jaemte anordning foer saettets genomfoerande
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3078993A1 (fr) * 2018-03-13 2019-09-20 Brgm Procede et dispositif de mise en securite d'un operateur sur le site d'un reservoir de gaz

Also Published As

Publication number Publication date
BE824774A (fr) 1975-07-24
FR2259227B3 (pl) 1977-10-21
DE2502487A1 (de) 1975-07-31
GB1454305A (en) 1976-11-03

Similar Documents

Publication Publication Date Title
FR2284881B1 (pl)
AU495930B2 (pl)
FR2270228A2 (pl)
CH568134A5 (pl)
BG20885A1 (pl)
AU480208A (pl)
AU480247A (pl)
AU480471A (pl)
AU480758A (pl)
AU480863A (pl)
BG19768A1 (pl)
BG19847A1 (pl)
BG19987A1 (pl)
BG20440A1 (pl)
BG20446A1 (pl)
BG20451A1 (pl)
BG20462A1 (pl)
BG20638A1 (pl)
BG20854A1 (pl)
BG20883A1 (pl)
CH568539A5 (pl)
BG20950A1 (pl)
BG21129A1 (pl)
BG21307A1 (pl)
BG21351A1 (pl)

Legal Events

Date Code Title Description
ST Notification of lapse