FR1229372A - - Google Patents

Info

Publication number
FR1229372A
FR1229372A FR1229372DA FR1229372A FR 1229372 A FR1229372 A FR 1229372A FR 1229372D A FR1229372D A FR 1229372DA FR 1229372 A FR1229372 A FR 1229372A
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.)
Expired
Application number
Other languages
French (fr)
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.)
Publication date
Application granted granted Critical
Publication of FR1229372A publication Critical patent/FR1229372A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • E21B2200/04—Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Pipe Accessories (AREA)
FR1229372D 1958-07-07 Expired FR1229372A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US869692XA 1958-07-07 1958-07-07

Publications (1)

Publication Number Publication Date
FR1229372A true FR1229372A (ko) 1960-09-06

Family

ID=22202041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1229372D Expired FR1229372A (ko) 1958-07-07

Country Status (2)

Country Link
FR (1) FR1229372A (ko)
GB (1) GB869692A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502683A1 (fr) * 1981-03-24 1982-10-01 Flopetrol Procede et equipement de forage d'une couche souterraine contenant des hydrocarbures, sans utilisation de boue de forage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9511386D0 (en) * 1995-06-06 1995-08-02 Petroleum Eng Services Improvements relating to ball valves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502683A1 (fr) * 1981-03-24 1982-10-01 Flopetrol Procede et equipement de forage d'une couche souterraine contenant des hydrocarbures, sans utilisation de boue de forage

Also Published As

Publication number Publication date
GB869692A (en) 1961-06-07

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