FR2071262A5 - - Google Patents

Info

Publication number
FR2071262A5
FR2071262A5 FR6944546A FR6944546A FR2071262A5 FR 2071262 A5 FR2071262 A5 FR 2071262A5 FR 6944546 A FR6944546 A FR 6944546A FR 6944546 A FR6944546 A FR 6944546A FR 2071262 A5 FR2071262 A5 FR 2071262A5
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
FR6944546A
Other languages
French (fr)
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.)
TIRAPOLSKY WLADIMIR
Original Assignee
TIRAPOLSKY WLADIMIR
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 TIRAPOLSKY WLADIMIR filed Critical TIRAPOLSKY WLADIMIR
Priority to FR6944546A priority Critical patent/FR2071262A5/fr
Priority to GB1295373D priority patent/GB1295373A/en
Application granted granted Critical
Publication of FR2071262A5 publication Critical patent/FR2071262A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus

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)
FR6944546A 1969-12-23 1969-12-23 Expired FR2071262A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR6944546A FR2071262A5 (en) 1969-12-23 1969-12-23
GB1295373D GB1295373A (en) 1969-12-23 1970-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6944546A FR2071262A5 (en) 1969-12-23 1969-12-23

Publications (1)

Publication Number Publication Date
FR2071262A5 true FR2071262A5 (en) 1971-09-17

Family

ID=9045022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6944546A Expired FR2071262A5 (en) 1969-12-23 1969-12-23

Country Status (2)

Country Link
FR (1) FR2071262A5 (en)
GB (1) GB1295373A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933678A1 (en) * 1978-08-28 1980-03-13 Inst Francais Du Petrol DEVICE FOR REVERSING THE CIRCULATION DIRECTION OF A PRESSURE FLUID FEEDING A DRILLING TOOL

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0220445D0 (en) * 2002-09-03 2002-10-09 Lee Paul B Dart-operated big bore by-pass tool
US7231986B2 (en) 2003-09-15 2007-06-19 Schlumberger Technology Corporation Well tool protection system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933678A1 (en) * 1978-08-28 1980-03-13 Inst Francais Du Petrol DEVICE FOR REVERSING THE CIRCULATION DIRECTION OF A PRESSURE FLUID FEEDING A DRILLING TOOL
FR2434922A1 (en) * 1978-08-28 1980-03-28 Inst Francais Du Petrole DEVICE FOR REVERSE THE DIRECTION OF FLOW OF A FLUID AT A DRILLING TOOL

Also Published As

Publication number Publication date
GB1295373A (en) 1972-11-08

Similar Documents

Publication Publication Date Title
AU465413B2 (en)
AU429630B2 (en)
AU450150B2 (en)
FR2071262A5 (en)
AU427401B2 (en)
AU470301B1 (en)
AU428129B2 (en)
AU442554B2 (en)
AU442463B2 (en)
AU438128B2 (en)
AU442357B2 (en)
AU442285B2 (en)
AU428131B2 (en)
AU442535B2 (en)
AU428074B2 (en)
AU470661B1 (en)
AU442322B2 (en)
AU442538B2 (en)
AU4949169A (en)
AU4540468A (en)
AU5228269A (en)
CH545773A (en)
AU4815038A (en)
AU469091A (en)
AU480213A (en)

Legal Events

Date Code Title Description
ST Notification of lapse