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GB2170837B - Enhanced recovery junk-subs - Google Patents

Enhanced recovery junk-subs

Info

Publication number
GB2170837B
GB2170837B GB08503340A GB8503340A GB2170837B GB 2170837 B GB2170837 B GB 2170837B GB 08503340 A GB08503340 A GB 08503340A GB 8503340 A GB8503340 A GB 8503340A GB 2170837 B GB2170837 B GB 2170837B
Authority
GB
United Kingdom
Prior art keywords
junk
subs
enhanced recovery
recovery
enhanced
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
GB08503340A
Other versions
GB2170837A (en
GB8503340D0 (en
Inventor
Richard Bernhard Anthon Sporik
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 GB08503340A priority Critical patent/GB2170837B/en
Publication of GB8503340D0 publication Critical patent/GB8503340D0/en
Publication of GB2170837A publication Critical patent/GB2170837A/en
Application granted granted Critical
Publication of GB2170837B publication Critical patent/GB2170837B/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
    • E21B31/08—Fishing for or freeing objects in boreholes or wells using junk baskets or the like
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus

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)
  • Reciprocating Pumps (AREA)
GB08503340A 1985-02-08 1985-02-08 Enhanced recovery junk-subs Expired GB2170837B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08503340A GB2170837B (en) 1985-02-08 1985-02-08 Enhanced recovery junk-subs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08503340A GB2170837B (en) 1985-02-08 1985-02-08 Enhanced recovery junk-subs

Publications (3)

Publication Number Publication Date
GB8503340D0 GB8503340D0 (en) 1985-03-13
GB2170837A GB2170837A (en) 1986-08-13
GB2170837B true GB2170837B (en) 1988-05-11

Family

ID=10574198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08503340A Expired GB2170837B (en) 1985-02-08 1985-02-08 Enhanced recovery junk-subs

Country Status (1)

Country Link
GB (1) GB2170837B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163515A (en) * 1991-04-23 1992-11-17 Den Norske Stats Oljeselskap A.S Pumpdown toolstring operations in horizontal or high-deviation oil or gas wells
US7472745B2 (en) * 2006-05-25 2009-01-06 Baker Hughes Incorporated Well cleanup tool with real time condition feedback to the surface
NO338618B1 (en) * 2012-11-20 2016-09-19 Interwell Technology As Expandable scrap collection device
NO336297B1 (en) * 2013-07-24 2015-07-20 Interwell Technology As Well tools consisting of a plug device and a scrap collection device

Also Published As

Publication number Publication date
GB2170837A (en) 1986-08-13
GB8503340D0 (en) 1985-03-13

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Legal Events

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

Effective date: 19940208