CA931136A - Jarring and bumping tool for use in oilfield drilling strings - Google Patents

Jarring and bumping tool for use in oilfield drilling strings

Info

Publication number
CA931136A
CA931136A CA931136A CA931136DA CA931136A CA 931136 A CA931136 A CA 931136A CA 931136 A CA931136 A CA 931136A CA 931136D A CA931136D A CA 931136DA CA 931136 A CA931136 A CA 931136A
Authority
CA
Canada
Prior art keywords
jarring
oilfield drilling
drilling strings
bumping tool
bumping
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
CA931136A
Inventor
Mason Leonard
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.)
LEE-MASON TOOLS Ltd
Original Assignee
LEE-MASON TOOLS Ltd
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 LEE-MASON TOOLS Ltd filed Critical LEE-MASON TOOLS Ltd
Application granted granted Critical
Publication of CA931136A publication Critical patent/CA931136A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/08—Down-hole impacting means, e.g. hammers impact being obtained by gravity only, e.g. with lost-motion connection
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
    • E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Mechanical Engineering (AREA)
CA931136A 1971-07-08 1971-07-08 Jarring and bumping tool for use in oilfield drilling strings Expired CA931136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA117692 1971-07-08

Publications (1)

Publication Number Publication Date
CA931136A true CA931136A (en) 1973-07-31

Family

ID=4090268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA931136A Expired CA931136A (en) 1971-07-08 1971-07-08 Jarring and bumping tool for use in oilfield drilling strings

Country Status (1)

Country Link
CA (1) CA931136A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083961A2 (en) * 1982-01-06 1983-07-20 Bralorne Resources Limited Improved jar tool for drill strings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083961A2 (en) * 1982-01-06 1983-07-20 Bralorne Resources Limited Improved jar tool for drill strings
EP0083961A3 (en) * 1982-01-06 1984-07-25 Bralorne Resources Limited Improved jar tool for drill strings

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