BE868337A - TREPAN TO EXTEND A WINDOW IN THE WELL OF A WELL TUBING - Google Patents

TREPAN TO EXTEND A WINDOW IN THE WELL OF A WELL TUBING

Info

Publication number
BE868337A
BE868337A BE188750A BE188750A BE868337A BE 868337 A BE868337 A BE 868337A BE 188750 A BE188750 A BE 188750A BE 188750 A BE188750 A BE 188750A BE 868337 A BE868337 A BE 868337A
Authority
BE
Belgium
Prior art keywords
well
trepan
window
extend
tubing
Prior art date
Application number
BE188750A
Other languages
French (fr)
Original Assignee
Christensen Inc
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 Christensen Inc filed Critical Christensen Inc
Publication of BE868337A publication Critical patent/BE868337A/en

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations

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)
BE188750A 1977-06-22 1978-06-21 TREPAN TO EXTEND A WINDOW IN THE WELL OF A WELL TUBING BE868337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80880677A 1977-06-22 1977-06-22

Publications (1)

Publication Number Publication Date
BE868337A true BE868337A (en) 1978-12-21

Family

ID=25199796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188750A BE868337A (en) 1977-06-22 1978-06-21 TREPAN TO EXTEND A WINDOW IN THE WELL OF A WELL TUBING

Country Status (4)

Country Link
BE (1) BE868337A (en)
CA (1) CA1073808A (en)
FR (1) FR2395388A1 (en)
GB (1) GB1583839A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10494875B2 (en) 2017-01-13 2019-12-03 Baker Hughes, A Ge Company, Llc Impregnated drill bit including a planar blade profile along drill bit face
CN114165182B (en) * 2021-12-10 2024-04-26 四川沃德沃富石油科技有限公司 Integral type slant instrument of windowing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216963A (en) * 1939-10-09 1940-10-08 Joseph E Sinclair Means for cutting windows in well casings
US2362529A (en) * 1940-08-30 1944-11-14 A 1 Bit And Tool Company Ltd Side tracking apparatus
US2381415A (en) * 1943-11-19 1945-08-07 Jr Edward B Williams Drill bit
US2877988A (en) * 1957-05-03 1959-03-17 American Coldset Corp Drill bit with driven auxiliary bit
US2882015A (en) * 1957-06-10 1959-04-14 J E Hill Directional window cutter for whipstocks
US2953354A (en) * 1958-05-15 1960-09-20 Edward B Williams Iii Drill bit
FR1239437A (en) * 1959-07-17 1960-08-26 Neyrpic Ets Advanced drilling tools
US3367430A (en) * 1966-08-24 1968-02-06 Christensen Diamond Prod Co Combination drill and reamer bit
US3583504A (en) * 1969-02-24 1971-06-08 Mission Mfg Co Gauge cutting bit
US3908759A (en) * 1974-05-22 1975-09-30 Standard Oil Co Sidetracking tool

Also Published As

Publication number Publication date
GB1583839A (en) 1981-02-04
CA1073808A (en) 1980-03-18
FR2395388B1 (en) 1984-01-06
FR2395388A1 (en) 1979-01-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CHRISTENSEN INC.

Effective date: 19950630