FR1562342A - - Google Patents

Info

Publication number
FR1562342A
FR1562342A FR1562342DA FR1562342A FR 1562342 A FR1562342 A FR 1562342A FR 1562342D A FR1562342D A FR 1562342DA FR 1562342 A FR1562342 A FR 1562342A
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1562342A publication Critical patent/FR1562342A/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
FR1562342D 1968-03-15 1968-03-15 Expired FR1562342A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR143883 1968-03-15

Publications (1)

Publication Number Publication Date
FR1562342A true FR1562342A (de) 1969-04-04

Family

ID=8647517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1562342D Expired FR1562342A (de) 1968-03-15 1968-03-15

Country Status (1)

Country Link
FR (1) FR1562342A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388981A1 (fr) * 1977-04-29 1978-11-24 Sandvik Ab Dispositif de forage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388981A1 (fr) * 1977-04-29 1978-11-24 Sandvik Ab Dispositif de forage

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Legal Events

Date Code Title Description
ST Notification of lapse