NO883016L - Utvidbar brotsj for broennrensing. - Google Patents

Utvidbar brotsj for broennrensing.

Info

Publication number
NO883016L
NO883016L NO88883016A NO883016A NO883016L NO 883016 L NO883016 L NO 883016L NO 88883016 A NO88883016 A NO 88883016A NO 883016 A NO883016 A NO 883016A NO 883016 L NO883016 L NO 883016L
Authority
NO
Norway
Prior art keywords
brochure
extendable
brown
cleaning
extendable brochure
Prior art date
Application number
NO88883016A
Other languages
English (en)
Norwegian (no)
Other versions
NO883016D0 (no
Inventor
Thomas Doig
Original Assignee
Tri State Oil Tool Uk
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 Tri State Oil Tool Uk filed Critical Tri State Oil Tool Uk
Publication of NO883016D0 publication Critical patent/NO883016D0/no
Publication of NO883016L publication Critical patent/NO883016L/no

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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
NO88883016A 1987-07-08 1988-07-06 Utvidbar brotsj for broennrensing. NO883016L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878716040A GB8716040D0 (en) 1987-07-08 1987-07-08 Underreamer for descaling

Publications (2)

Publication Number Publication Date
NO883016D0 NO883016D0 (no) 1988-07-06
NO883016L true NO883016L (no) 1989-01-09

Family

ID=10620289

Family Applications (1)

Application Number Title Priority Date Filing Date
NO88883016A NO883016L (no) 1987-07-08 1988-07-06 Utvidbar brotsj for broennrensing.

Country Status (3)

Country Link
EP (1) EP0298663A3 (de)
GB (1) GB8716040D0 (de)
NO (1) NO883016L (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735359A (en) * 1996-06-10 1998-04-07 Weatherford/Lamb, Inc. Wellbore cutting tool
NO310311B1 (no) * 1999-06-24 2001-06-18 Thor Bjoernstad Underrömmer
AU2001240792A1 (en) * 2000-03-10 2001-09-17 Nortech Systems Limited Clean out tool
CA2940729C (en) 2014-03-11 2022-03-15 Qinterra Technologies As Tool for internal cleaning of a tubing or casing
CN104653154B (zh) * 2015-02-25 2017-06-13 中国石油天然气股份有限公司 通井刮削一体化工具
CN110500062B (zh) * 2018-05-17 2021-11-02 中国石油天然气股份有限公司 一种旋转定径规

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756968A (en) * 1954-04-12 1956-07-31 Grant Oil Tool Company Expansible well scraper
US2823901A (en) * 1955-11-07 1958-02-18 Kammerer Jr Archer W Expansible rotary drilling tools
US3196960A (en) * 1963-03-19 1965-07-27 Lamphere Jean K Fluid pressure expansible drill bits
US4565252A (en) * 1984-03-08 1986-01-21 Lor, Inc. Borehole operating tool with fluid circulation through arms

Also Published As

Publication number Publication date
EP0298663A3 (de) 1990-01-03
NO883016D0 (no) 1988-07-06
EP0298663A2 (de) 1989-01-11
GB8716040D0 (en) 1987-08-12

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