DE3228261A1 - Verfahren und vorrichtung zum aendern der richtung eines bohrloches - Google Patents

Verfahren und vorrichtung zum aendern der richtung eines bohrloches

Info

Publication number
DE3228261A1
DE3228261A1 DE19823228261 DE3228261A DE3228261A1 DE 3228261 A1 DE3228261 A1 DE 3228261A1 DE 19823228261 DE19823228261 DE 19823228261 DE 3228261 A DE3228261 A DE 3228261A DE 3228261 A1 DE3228261 A1 DE 3228261A1
Authority
DE
Germany
Prior art keywords
guide
drill hole
wedge
reference surface
guiding
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.)
Pending
Application number
DE19823228261
Other languages
English (en)
Inventor
Bengt Erik Johansson
Signar Forsberg
Roger Norman
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.)
SVERIGES GEOL UNDERSOEKNING SG
Original Assignee
SVERIGES GEOL UNDERSOEKNING SG
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 SVERIGES GEOL UNDERSOEKNING SG filed Critical SVERIGES GEOL UNDERSOEKNING SG
Publication of DE3228261A1 publication Critical patent/DE3228261A1/de
Pending 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
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

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)
DE19823228261 1981-01-13 1982-01-12 Verfahren und vorrichtung zum aendern der richtung eines bohrloches Pending DE3228261A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8100147A SE421815B (sv) 1981-01-13 1981-01-13 Forfarande for riktningsendring av borrhal jemte anordning for genomforande av forfarandet
PCT/SE1982/000006 WO1982002417A1 (en) 1981-01-13 1982-01-12 Method and device for changing the direction of a drill hole

Publications (1)

Publication Number Publication Date
DE3228261A1 true DE3228261A1 (de) 1983-02-10

Family

ID=20342859

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823228261 Pending DE3228261A1 (de) 1981-01-13 1982-01-12 Verfahren und vorrichtung zum aendern der richtung eines bohrloches

Country Status (4)

Country Link
AU (1) AU8004482A (de)
DE (1) DE3228261A1 (de)
SE (1) SE421815B (de)
WO (1) WO1982002417A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8329138D0 (en) * 1983-11-01 1983-12-07 Encore Drilling Co Ltd Drilling
NO311265B1 (no) * 1994-01-25 2001-11-05 Halliburton Co Ledekileanordning
US5488989A (en) * 1994-06-02 1996-02-06 Dowell, A Division Of Schlumberger Technology Corporation Whipstock orientation method and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO132653C (de) * 1971-03-08 1975-12-10 Texaco Development Corp
FR2241686A1 (en) * 1973-08-20 1975-03-21 Applied Tech Ass Gyroscopic method of testing alignment of a borehole - wherein a boring pipe instrumentation case signals azimuth and inclination
FR2410724A1 (fr) * 1977-12-02 1979-06-29 Sagem Perfectionnements apportes aux dispositifs pour l'exploration, en azimut et en inclinaison, d'une ligne de forage
GB2032490B (en) * 1978-10-27 1982-03-17 Baker Int Corp Anchoring whipstocks in well bores

Also Published As

Publication number Publication date
SE421815B (sv) 1982-02-01
WO1982002417A1 (en) 1982-07-22
AU8004482A (en) 1982-08-02

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