FR1559861A - - Google Patents

Info

Publication number
FR1559861A
FR1559861A FR1559861DA FR1559861A FR 1559861 A FR1559861 A FR 1559861A FR 1559861D A FR1559861D A FR 1559861DA FR 1559861 A FR1559861 A FR 1559861A
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 FR1559861A publication Critical patent/FR1559861A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
FR1559861D 1968-02-02 1968-02-02 Expired FR1559861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR138434 1968-02-02

Publications (1)

Publication Number Publication Date
FR1559861A true FR1559861A (en) 1969-03-14

Family

ID=8645474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1559861D Expired FR1559861A (en) 1968-02-02 1968-02-02

Country Status (1)

Country Link
FR (1) FR1559861A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307178A1 (en) * 1975-04-07 1976-11-05 Empire Oil Tool Co APPARATUS FOR CONNECTING TWO MOTORS IN LINE, APPLICABLE IN PARTICULAR TO MUD MOTORS FOR GREAT DEPTH OIL DRILLING
DE2752768A1 (en) * 1977-11-25 1979-05-31 Inst Burovoi Tekhnik Turbine drill - with separate bearing set for each rotor carrying shaft section

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307178A1 (en) * 1975-04-07 1976-11-05 Empire Oil Tool Co APPARATUS FOR CONNECTING TWO MOTORS IN LINE, APPLICABLE IN PARTICULAR TO MUD MOTORS FOR GREAT DEPTH OIL DRILLING
DE2752768A1 (en) * 1977-11-25 1979-05-31 Inst Burovoi Tekhnik Turbine drill - with separate bearing set for each rotor carrying shaft section

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Legal Events

Date Code Title Description
ST Notification of lapse