CA837970A - Shock absorbing sub assembly - Google Patents

Shock absorbing sub assembly

Info

Publication number
CA837970A
CA837970A CA837970A CA837970DA CA837970A CA 837970 A CA837970 A CA 837970A CA 837970 A CA837970 A CA 837970A CA 837970D A CA837970D A CA 837970DA CA 837970 A CA837970 A CA 837970A
Authority
CA
Canada
Prior art keywords
shock absorbing
sub assembly
absorbing sub
assembly
shock
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
CA837970A
Inventor
Chester B. Falkner, Jr.
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.)
Shaffer Tool Works
Original Assignee
Shaffer Tool Works
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.)
Publication date
Application granted granted Critical
Publication of CA837970A publication Critical patent/CA837970A/en
Expired legal-status Critical Current

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)
  • Earth Drilling (AREA)
CA837970A 1966-02-21 Shock absorbing sub assembly Expired CA837970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US529109A US3406537A (en) 1966-02-21 1966-02-21 Shock absorbing subassembly

Publications (1)

Publication Number Publication Date
CA837970A true CA837970A (en) 1970-03-31

Family

ID=24108562

Family Applications (1)

Application Number Title Priority Date Filing Date
CA837970A Expired CA837970A (en) 1966-02-21 Shock absorbing sub assembly

Country Status (2)

Country Link
US (1) US3406537A (en)
CA (1) CA837970A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619334A (en) * 1984-09-06 1986-10-28 Secoroc Ab Joint device in extension drill equipment for percussive drilling

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660990A (en) * 1970-02-27 1972-05-09 Donald L Zerb Vibration damper
US3726546A (en) * 1970-06-29 1973-04-10 C Brown Extensible coupling for well pipes
US3898815A (en) * 1973-12-06 1975-08-12 Dresser Ind Pressure and volume compensating system for reciprocating oil field drilling tools
US4211290A (en) * 1974-07-11 1980-07-08 Clifford Anderson Drilling string shock-absorbing tool
US3949150A (en) * 1974-07-11 1976-04-06 Leonard Mason Drilling string shock-absorbing tool
US4106779A (en) * 1975-03-03 1978-08-15 Nl Hycalog Automatic sequential dual action sealing system
US4031716A (en) * 1975-03-03 1977-06-28 Clarence John Zabcik Automatic sequential dual action sealing system
US4157022A (en) * 1977-10-03 1979-06-05 Smith International, Inc. Pressure compensating coupling for in hole motors
US4246765A (en) * 1979-01-08 1981-01-27 Nl Industries, Inc. Shock absorbing subassembly
US4340210A (en) * 1980-01-25 1982-07-20 Metex Corporation Pile driver cushion
EP0033405A1 (en) * 1980-02-01 1981-08-12 Well Control, Inc. Tension shock absorber device
EP0054091A1 (en) * 1980-12-12 1982-06-23 Well Control, Inc. Compression shock absorber device
US4443206A (en) * 1982-02-05 1984-04-17 Dailey, Inc. Well tool
US4536653A (en) * 1983-01-28 1985-08-20 Westinghouse Electric Corp. Seismic restraint means
US4600062A (en) * 1984-07-13 1986-07-15 501 Dailey Petroleum Services Corporation Shock absorbing drilling tool
US6257352B1 (en) 1998-11-06 2001-07-10 Craig Nelson Rock breaking device
FR2933495B1 (en) * 2008-07-07 2013-01-18 Univ Lille Sciences Tech TRIAXIAL CELL OF GEOMATERIALS UNDER PRESSURE AND SHEAR
US20100025118A1 (en) * 2008-08-01 2010-02-04 TPT Precision Engineering Pty Ltd Apparatus
US8205691B2 (en) * 2009-01-20 2012-06-26 Hunting Energy Services (Drilling Tools), Inc. Downhole vibration dampener
US9334698B2 (en) 2011-06-28 2016-05-10 Utah Valley University Drill rod shock tool
CA2893636C (en) 2013-02-08 2016-03-22 Qcd Technology Inc. Axial, lateral and torsional force dampener
US10407999B2 (en) 2016-05-11 2019-09-10 Extensive Energy Technologies Partnership Vibration dampener
US10683710B2 (en) 2016-10-07 2020-06-16 Cathedral Energy Services Ltd. Device for isolating a tool from axial vibration while maintaining conductor connectivity

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2025100A (en) * 1932-09-06 1935-12-24 Eldridge B Gill Vibration absorber
US2463316A (en) * 1945-01-29 1949-03-01 Ruben Samuel Alkaline dry cell with permanganate cathode
US2755079A (en) * 1952-02-29 1956-07-17 Otto H York Elastic metal mesh tubular bellows
US2756022A (en) * 1953-05-25 1956-07-24 Thomas E Reed Shock absorber coupling for rotary drill stem
US2869858A (en) * 1956-08-01 1959-01-20 Metal Textile Corp Vibration and shock absorptive cushion element
US2991635A (en) * 1958-11-18 1961-07-11 Frank D Warren Resilient drilling tool
US3254508A (en) * 1963-09-18 1966-06-07 Drilco Oil Tools Inc Resilient unit for drill strings
US3225566A (en) * 1963-10-07 1965-12-28 Grant Oil Tool Company Drill string shock absorber
US3301009A (en) * 1965-02-02 1967-01-31 Rotary shock absorbing sub unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619334A (en) * 1984-09-06 1986-10-28 Secoroc Ab Joint device in extension drill equipment for percussive drilling

Also Published As

Publication number Publication date
US3406537A (en) 1968-10-22

Similar Documents

Publication Publication Date Title
CA837970A (en) Shock absorbing sub assembly
CA742104A (en) Shock absorbers
CA731487A (en) Damping element
CA736330A (en) Shock absorbing arrangement
AU405236B2 (en) Shock absorbers
CA738875A (en) Electrofluid shock absorber
CA741686A (en) Shock absorber
CA741688A (en) Shock absorber
CA745035A (en) Shock absorber
CA745922A (en) Shock absorber
AU1423666A (en) Shock absorbers
CA738293A (en) Shock absorber mechanism
CA745446A (en) Shock absorbing wheel
CA717867A (en) Shock absorbers
CA741170A (en) Friction shock absorbing mechanisms
CA744246A (en) Shock absorbing device
AU2730167A (en) Shock absorbing foam
CA712021A (en) Inflatable shock absorbing structure
AU430287B2 (en) Shock absorbing structural member
CA664198A (en) Shock assembly
CA677843A (en) Fluid-damped shock absorbers
CA682927A (en) Shock absorbers
AU403175B2 (en) Shock absorber construction
AU403016B2 (en) Shock absorber
CA712931A (en) Shock absorber