NL7710165A - Schokdemper. - Google Patents

Schokdemper.

Info

Publication number
NL7710165A
NL7710165A NL7710165A NL7710165A NL7710165A NL 7710165 A NL7710165 A NL 7710165A NL 7710165 A NL7710165 A NL 7710165A NL 7710165 A NL7710165 A NL 7710165A NL 7710165 A NL7710165 A NL 7710165A
Authority
NL
Netherlands
Prior art keywords
shock absorber
absorber
shock
Prior art date
Application number
NL7710165A
Other languages
English (en)
Dutch (nl)
Original Assignee
Richard Dean Hawn Jr
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 Richard Dean Hawn Jr filed Critical Richard Dean Hawn Jr
Publication of NL7710165A publication Critical patent/NL7710165A/xx

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)
  • 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)
  • Fluid-Damping Devices (AREA)
  • Earth Drilling (AREA)
NL7710165A 1976-09-20 1977-09-16 Schokdemper. NL7710165A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/724,541 US4130000A (en) 1976-09-20 1976-09-20 Drill string shock absorber

Publications (1)

Publication Number Publication Date
NL7710165A true NL7710165A (nl) 1978-03-22

Family

ID=24910834

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7710165A NL7710165A (nl) 1976-09-20 1977-09-16 Schokdemper.

Country Status (7)

Country Link
US (1) US4130000A (de)
CA (1) CA1065300A (de)
DE (1) DE2739864C2 (de)
FR (1) FR2408715A1 (de)
GB (1) GB1549958A (de)
IT (1) IT1090206B (de)
NL (1) NL7710165A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1069494A (en) * 1977-07-21 1980-01-08 Gary D. Gray Floating cushion sub
US4265305A (en) * 1979-08-27 1981-05-05 Teleco Oilfield Services Inc. Mounting and shock absorber assembly for borehole telemetry apparatus
US4387885A (en) * 1980-03-17 1983-06-14 Bowen Tools, Inc. Shock absorber assembly for absorbing shocks encountered by a drill string
US4331006A (en) * 1980-07-01 1982-05-25 Bowen Tools, Inc. Shock absorber assembly
US4385668A (en) * 1981-02-25 1983-05-31 Turbo Resources Ltd. Inner pipe support arrangement for double-walled drill pipe
US4439167A (en) * 1982-03-01 1984-03-27 Bowen Tools, Inc. Shock absorber assembly
US5083623A (en) * 1990-12-03 1992-01-28 Halliburton Company Hydraulic shock absorber
US8210267B2 (en) * 2007-06-04 2012-07-03 Baker Hughes Incorporated Downhole pressure chamber and method of making same
CN111021966A (zh) * 2019-12-10 2020-04-17 贵州高峰石油机械股份有限公司 一种用于海洋钻井中的沉降补偿方法以及沉降补偿器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2323321A (en) * 1940-12-26 1943-07-06 Samuel M Futral Hydraulic tubing foot
US2712435A (en) * 1951-03-15 1955-07-05 Walter T Allen Shock absorber for rotary drills
US3225566A (en) * 1963-10-07 1965-12-28 Grant Oil Tool Company Drill string shock absorber
US3497019A (en) * 1968-02-05 1970-02-24 Exxon Production Research Co Automatic drilling system
US3526284A (en) * 1969-01-13 1970-09-01 Bossco Inc Drill string shock absorber
US3606297A (en) * 1969-12-18 1971-09-20 Houston Engineers Inc Energy accumulator and shock absorbing device for well pipe strings
DE2025404C3 (de) * 1970-05-25 1978-06-15 Hawn Jun., Richard Dean, Dallas, Tex. (V.St.A.) Stoßdämpfer für Bohrgestänge
FR2088175A1 (de) * 1970-05-25 1972-01-07 Bossco Inc

Also Published As

Publication number Publication date
DE2739864A1 (de) 1978-03-23
IT1090206B (it) 1985-06-26
DE2739864C2 (de) 1986-12-18
FR2408715B1 (de) 1982-10-22
GB1549958A (en) 1979-08-08
CA1065300A (en) 1979-10-30
FR2408715A1 (fr) 1979-06-08
US4130000A (en) 1978-12-19

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable