DK135961B - Teleskopisk kobling. - Google Patents

Teleskopisk kobling.

Info

Publication number
DK135961B
DK135961B DK81669AA DK81669A DK135961B DK 135961 B DK135961 B DK 135961B DK 81669A A DK81669A A DK 81669AA DK 81669 A DK81669 A DK 81669A DK 135961 B DK135961 B DK 135961B
Authority
DK
Denmark
Prior art keywords
telescopic coupling
telescopic
coupling
Prior art date
Application number
DK81669AA
Other languages
English (en)
Other versions
DK135961C (da
Inventor
Ed Oscar Seabourn
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of DK135961B publication Critical patent/DK135961B/da
Application granted granted Critical
Publication of DK135961C publication Critical patent/DK135961C/da

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Making Paper Articles (AREA)
DK81669AA 1968-02-16 1969-02-14 Teleskopisk kobling. DK135961B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70617668A 1968-02-16 1968-02-16

Publications (2)

Publication Number Publication Date
DK135961B true DK135961B (da) 1977-07-18
DK135961C DK135961C (da) 1977-12-12

Family

ID=24836510

Family Applications (1)

Application Number Title Priority Date Filing Date
DK81669AA DK135961B (da) 1968-02-16 1969-02-14 Teleskopisk kobling.

Country Status (9)

Country Link
US (1) US3492028A (da)
DE (3) DE1907572A1 (da)
DK (1) DK135961B (da)
FI (1) FI55891C (da)
FR (1) FR2002052A1 (da)
GB (1) GB1232932A (da)
NL (1) NL149569B (da)
NO (1) NO126874B (da)
SE (1) SE349349B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678031A (en) * 1986-01-27 1987-07-07 Blandford David M Rotatable reciprocating collar for borehole casing
US4751967A (en) * 1986-01-27 1988-06-21 Blandford David M Stage cementing apparatus
US5263899A (en) * 1990-06-12 1993-11-23 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
DE20319527U1 (de) 2003-12-16 2004-03-04 Maschinenbau Oppenweiler Binder Gmbh & Co. Kg Transportwelle für eine Falzmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US320661A (en) * 1885-06-23 Gas-tight expansion-joint
US1034368A (en) * 1910-04-21 1912-07-30 William Kahle Automatic drilling-tool.
GB524935A (en) * 1938-02-15 1940-08-19 Karl Lars Esais Thunholm Improvements in expansion joints for pipes and the like
US2664271A (en) * 1951-12-06 1953-12-29 Arutunoff Armais Sealing device for tubular shafting
US2783844A (en) * 1955-10-05 1957-03-05 Exxon Research Engineering Co Tubing apparatus
US3291225A (en) * 1964-07-03 1966-12-13 Gardner Denver Co Drive coupling for drill string

Also Published As

Publication number Publication date
DE1907908C2 (de) 1971-05-13
US3492028A (en) 1970-01-27
FI55891C (fi) 1979-10-10
NO126874B (da) 1973-04-02
DE1907572A1 (de) 1969-08-28
FR2002052A1 (da) 1969-10-03
NL6902362A (da) 1969-08-19
DE1907908B1 (de) 1970-10-08
NL149569B (nl) 1976-05-17
GB1232932A (da) 1971-05-26
FI55891B (fi) 1979-06-29
SE349349B (da) 1972-09-25
DK135961C (da) 1977-12-12
DE6906217U (de) 1971-07-29

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