AU3081292A - A steerable drilling assembly for mounting on the end of a drill string to drill a borehole in an underground formation - Google Patents

A steerable drilling assembly for mounting on the end of a drill string to drill a borehole in an underground formation

Info

Publication number
AU3081292A
AU3081292A AU30812/92A AU3081292A AU3081292A AU 3081292 A AU3081292 A AU 3081292A AU 30812/92 A AU30812/92 A AU 30812/92A AU 3081292 A AU3081292 A AU 3081292A AU 3081292 A AU3081292 A AU 3081292A
Authority
AU
Australia
Prior art keywords
drill
borehole
mounting
drilling assembly
underground formation
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
AU30812/92A
Inventor
Jorgen Hallundbaek
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.)
HTC AS
Original Assignee
HTC AS
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 HTC AS filed Critical HTC AS
Publication of AU3081292A publication Critical patent/AU3081292A/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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • 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

  • 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)
AU30812/92A 1991-11-19 1992-11-18 A steerable drilling assembly for mounting on the end of a drill string to drill a borehole in an underground formation Abandoned AU3081292A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK1884/91 1991-11-19
DK188491A DK188491A (en) 1991-11-19 1991-11-19 CONTROLLABLE DRILLING EQUIPMENT TO DRILL A Borehole in an Underground Formation

Publications (1)

Publication Number Publication Date
AU3081292A true AU3081292A (en) 1993-06-15

Family

ID=8108796

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30812/92A Abandoned AU3081292A (en) 1991-11-19 1992-11-18 A steerable drilling assembly for mounting on the end of a drill string to drill a borehole in an underground formation

Country Status (6)

Country Link
EP (1) EP0612370A1 (en)
AU (1) AU3081292A (en)
CA (1) CA2123889A1 (en)
DK (1) DK188491A (en)
NO (1) NO941856L (en)
WO (1) WO1993010326A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK121295A (en) * 1995-10-30 1997-05-01 Dampskibsselskabet Svendborg & Drilling unit, coupling device for such drilling unit and method for drilling holes in the subsurface using the drilling unit
US5738178A (en) * 1995-11-17 1998-04-14 Baker Hughes Incorporated Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation
DE19620401C2 (en) * 1996-05-21 1998-06-10 Tracto Technik Steerable drilling device
US6142245A (en) * 1997-08-19 2000-11-07 Shell Oil Company Extended reach drilling system
US6607044B1 (en) * 1997-10-27 2003-08-19 Halliburton Energy Services, Inc. Three dimensional steerable system and method for steering bit to drill borehole
NO311100B1 (en) 1999-10-26 2001-10-08 Bakke Technology As Apparatus for use in feeding a rotary downhole tool and using the apparatus
US6571888B2 (en) 2001-05-14 2003-06-03 Precision Drilling Technology Services Group, Inc. Apparatus and method for directional drilling with coiled tubing
US6994628B2 (en) 2003-01-28 2006-02-07 Boyd's Bit Service, Inc. Locking swivel apparatus with replaceable internal gear members
US6915865B2 (en) 2003-01-28 2005-07-12 Boyd's Bit Service, Inc. Locking swivel apparatus with a supplemental internal locking mechanism
AU2011202827B2 (en) * 2005-04-15 2014-03-27 Tercel Ip Limited Method of running downhole apparatus into a wellbore with a swivel sub
GB0507639D0 (en) * 2005-04-15 2005-05-25 Caledus Ltd Downhole swivel sub
US9038747B2 (en) 2011-06-20 2015-05-26 David L. Abney, Inc. Adjustable bent drilling tool having in situ drilling direction change capability
CN110984877A (en) * 2019-12-24 2020-04-10 青岛度丘新能源技术有限公司 Drill rod capable of transversely operating

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH630700A5 (en) * 1978-07-24 1982-06-30 Inst Francais Du Petrole VARIABLE ANGLE ELBOW CONNECTION FOR DIRECTED DRILLING.
US4492276A (en) * 1982-11-17 1985-01-08 Shell Oil Company Down-hole drilling motor and method for directional drilling of boreholes
US4674579A (en) * 1985-03-07 1987-06-23 Flowmole Corporation Method and apparatus for installment of underground utilities

Also Published As

Publication number Publication date
DK188491A (en) 1993-05-20
CA2123889A1 (en) 1993-05-27
NO941856L (en) 1994-07-15
WO1993010326A1 (en) 1993-05-27
EP0612370A1 (en) 1994-08-31
NO941856D0 (en) 1994-05-18
DK188491D0 (en) 1991-11-19

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