GB2093890B - Long stroke jar bumper sub with safety sleeve - Google Patents

Long stroke jar bumper sub with safety sleeve

Info

Publication number
GB2093890B
GB2093890B GB8105773A GB8105773A GB2093890B GB 2093890 B GB2093890 B GB 2093890B GB 8105773 A GB8105773 A GB 8105773A GB 8105773 A GB8105773 A GB 8105773A GB 2093890 B GB2093890 B GB 2093890B
Authority
GB
United Kingdom
Prior art keywords
long stroke
safety sleeve
bumper sub
stroke jar
jar
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
GB8105773A
Other versions
GB2093890A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8105773A priority Critical patent/GB2093890B/en
Publication of GB2093890A publication Critical patent/GB2093890A/en
Application granted granted Critical
Publication of GB2093890B publication Critical patent/GB2093890B/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
    • 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)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB8105773A 1981-02-24 1981-02-24 Long stroke jar bumper sub with safety sleeve Expired GB2093890B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8105773A GB2093890B (en) 1981-02-24 1981-02-24 Long stroke jar bumper sub with safety sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8105773A GB2093890B (en) 1981-02-24 1981-02-24 Long stroke jar bumper sub with safety sleeve

Publications (2)

Publication Number Publication Date
GB2093890A GB2093890A (en) 1982-09-08
GB2093890B true GB2093890B (en) 1984-12-19

Family

ID=10519917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105773A Expired GB2093890B (en) 1981-02-24 1981-02-24 Long stroke jar bumper sub with safety sleeve

Country Status (1)

Country Link
GB (1) GB2093890B (en)

Also Published As

Publication number Publication date
GB2093890A (en) 1982-09-08

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Legal Events

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