GB2064620B - Drill string shock absorber with pressurized lubricant system - Google Patents

Drill string shock absorber with pressurized lubricant system

Info

Publication number
GB2064620B
GB2064620B GB8023305A GB8023305A GB2064620B GB 2064620 B GB2064620 B GB 2064620B GB 8023305 A GB8023305 A GB 8023305A GB 8023305 A GB8023305 A GB 8023305A GB 2064620 B GB2064620 B GB 2064620B
Authority
GB
United Kingdom
Prior art keywords
shock absorber
drill string
lubricant system
pressurized lubricant
string 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
GB8023305A
Other versions
GB2064620A (en
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.)
Hughes Tool Co
Original Assignee
Hughes Tool 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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of GB2064620A publication Critical patent/GB2064620A/en
Application granted granted Critical
Publication of GB2064620B publication Critical patent/GB2064620B/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)
  • Fluid-Damping Devices (AREA)
GB8023305A 1979-12-10 1980-07-16 Drill string shock absorber with pressurized lubricant system Expired GB2064620B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10161679A 1979-12-10 1979-12-10

Publications (2)

Publication Number Publication Date
GB2064620A GB2064620A (en) 1981-06-17
GB2064620B true GB2064620B (en) 1983-03-16

Family

ID=22285573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8023305A Expired GB2064620B (en) 1979-12-10 1980-07-16 Drill string shock absorber with pressurized lubricant system

Country Status (5)

Country Link
AU (1) AU534661B2 (en)
CA (1) CA1130781A (en)
GB (1) GB2064620B (en)
SE (1) SE443182B (en)
ZA (1) ZA804135B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140846A (en) * 1983-04-27 1984-12-05 Webb John Thomas H Improvements in or relating to damping means
US4600062A (en) * 1984-07-13 1986-07-15 501 Dailey Petroleum Services Corporation Shock absorbing drilling tool
AU664420B2 (en) * 1992-01-31 1995-11-16 Advanced Drilling Technologies Pty Ltd In-line sub for drilling equipment
CN116291197B (en) * 2023-05-10 2023-08-11 湖南百舸水利建设股份有限公司 Triangular crawler-type slope taper hole machine and drilling method thereof

Also Published As

Publication number Publication date
SE443182B (en) 1986-02-17
AU6025280A (en) 1981-06-18
CA1130781A (en) 1982-08-31
SE8005073L (en) 1981-06-11
AU534661B2 (en) 1984-02-09
ZA804135B (en) 1981-07-29
GB2064620A (en) 1981-06-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee