AU7932191A - An adjustable bent sub - Google Patents

An adjustable bent sub

Info

Publication number
AU7932191A
AU7932191A AU79321/91A AU7932191A AU7932191A AU 7932191 A AU7932191 A AU 7932191A AU 79321/91 A AU79321/91 A AU 79321/91A AU 7932191 A AU7932191 A AU 7932191A AU 7932191 A AU7932191 A AU 7932191A
Authority
AU
Australia
Prior art keywords
bent sub
adjustable bent
adjustable
sub
bent
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.)
Abandoned
Application number
AU79321/91A
Inventor
Michael Wawrzynowski
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.)
Canadian Fracmaster Ltd
Original Assignee
Canadian Fracmaster 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 Canadian Fracmaster Ltd filed Critical Canadian Fracmaster Ltd
Publication of AU7932191A publication Critical patent/AU7932191A/en
Abandoned 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub

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)
  • Earth Drilling (AREA)
AU79321/91A 1990-06-26 1991-06-25 An adjustable bent sub Abandoned AU7932191A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2019898 1990-06-26
CA002019898A CA2019898A1 (en) 1990-06-26 1990-06-26 Adjustable bent sub

Publications (1)

Publication Number Publication Date
AU7932191A true AU7932191A (en) 1992-01-02

Family

ID=4145345

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79321/91A Abandoned AU7932191A (en) 1990-06-26 1991-06-25 An adjustable bent sub

Country Status (4)

Country Link
EP (1) EP0465072A3 (en)
AU (1) AU7932191A (en)
CA (1) CA2019898A1 (en)
NO (1) NO912480L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2063161A1 (en) * 1992-03-16 1993-09-17 Lennard Sihlis Adjustable bent housing ii
GB9210846D0 (en) * 1992-05-21 1992-07-08 Baroid Technology Inc Drill bit steering
GB9222298D0 (en) * 1992-10-23 1992-12-09 Stirling Design Int Directional drilling tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303135A (en) * 1977-08-18 1981-12-01 Benoit Lloyd F Directional drilling sub
US4596294A (en) * 1982-04-16 1986-06-24 Russell Larry R Surface control bent sub for directional drilling of petroleum wells
US4745982A (en) * 1986-11-28 1988-05-24 Wenzel Kenneth H Adjustable bent sub
US4884643A (en) * 1989-01-17 1989-12-05 392534 Alberta Ltd. Downhole adjustable bent sub
CA2022452C (en) * 1990-08-01 1995-12-26 Douglas Wenzel Adjustable bent housing
US5117927A (en) * 1991-02-01 1992-06-02 Anadrill Downhole adjustable bent assemblies

Also Published As

Publication number Publication date
CA2019898A1 (en) 1991-12-26
EP0465072A2 (en) 1992-01-08
EP0465072A3 (en) 1992-12-16
NO912480D0 (en) 1991-06-25
NO912480L (en) 1991-12-27

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