FR1485711A - Elastic device for drill pipe column - Google Patents

Elastic device for drill pipe column

Info

Publication number
FR1485711A
FR1485711A FR61245A FR61245A FR1485711A FR 1485711 A FR1485711 A FR 1485711A FR 61245 A FR61245 A FR 61245A FR 61245 A FR61245 A FR 61245A FR 1485711 A FR1485711 A FR 1485711A
Authority
FR
France
Prior art keywords
drill pipe
pipe column
elastic device
elastic
column
Prior art date
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
FR61245A
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.)
DRILCO OIL TOOLS Inc
Original Assignee
DRILCO OIL TOOLS Inc
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
Priority claimed from GB1777966A external-priority patent/GB1140257A/en
Application filed by DRILCO OIL TOOLS Inc filed Critical DRILCO OIL TOOLS Inc
Priority to FR61245A priority Critical patent/FR1485711A/en
Application granted granted Critical
Publication of FR1485711A publication Critical patent/FR1485711A/en
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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
FR61245A 1966-04-22 1966-05-12 Elastic device for drill pipe column Expired FR1485711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR61245A FR1485711A (en) 1966-04-22 1966-05-12 Elastic device for drill pipe column

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1777966A GB1140257A (en) 1966-04-22 1966-04-22 Resilient unit for earth boring drill strings
FR61245A FR1485711A (en) 1966-04-22 1966-05-12 Elastic device for drill pipe column

Publications (1)

Publication Number Publication Date
FR1485711A true FR1485711A (en) 1967-06-23

Family

ID=26170606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR61245A Expired FR1485711A (en) 1966-04-22 1966-05-12 Elastic device for drill pipe column

Country Status (1)

Country Link
FR (1) FR1485711A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075975A1 (en) * 1970-01-07 1971-10-15 Inst Burovoi Tekhnik

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075975A1 (en) * 1970-01-07 1971-10-15 Inst Burovoi Tekhnik

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