NL6900861A - - Google Patents

Info

Publication number
NL6900861A
NL6900861A NL6900861A NL6900861A NL6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A NL 6900861 A NL6900861 A NL 6900861A
Authority
NL
Netherlands
Application number
NL6900861A
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 filed Critical
Publication of NL6900861A publication Critical patent/NL6900861A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
NL6900861A 1968-01-19 1969-01-17 NL6900861A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2915/68A GB1212915A (en) 1968-01-19 1968-01-19 Apparatus for bore-hole drilling

Publications (1)

Publication Number Publication Date
NL6900861A true NL6900861A (xx) 1969-07-22

Family

ID=9748474

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900861A NL6900861A (xx) 1968-01-19 1969-01-17

Country Status (5)

Country Link
US (1) US3563323A (xx)
DE (1) DE1902363A1 (xx)
FR (1) FR2000464A1 (xx)
GB (1) GB1212915A (xx)
NL (1) NL6900861A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103119A (nl) * 1980-07-12 1982-02-01 Preussag Ag Boorwerktuig voor het vervaardigen van gekromd verlopende delen van diepe boringen.

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48103001A (xx) * 1972-03-16 1973-12-24
US4067404A (en) * 1976-05-04 1978-01-10 Smith International, Inc. Angle adjustment sub
US4361192A (en) * 1980-02-08 1982-11-30 Kerr-Mcgee Corporation Borehole survey method and apparatus for drilling substantially horizontal boreholes
US4299295A (en) * 1980-02-08 1981-11-10 Kerr-Mcgee Coal Corporation Process for degasification of subterranean mineral deposits
EP0103913B1 (en) * 1982-08-25 1986-10-15 Shell Internationale Researchmaatschappij B.V. Down-hole motor and method for directional drilling of boreholes
DE3403239C1 (de) * 1984-01-31 1985-06-27 Christensen, Inc., Salt Lake City, Utah Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen
DE3423465C1 (de) * 1984-06-26 1985-05-02 Norton Christensen, Inc., Salt Lake City, Utah Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen
US5343967A (en) * 1984-05-12 1994-09-06 Baker Hughes Incorporated Apparatus for optional straight or directional drilling underground formations
DE3417743C1 (de) * 1984-05-12 1985-03-28 Norton Christensen, Inc., Salt Lake City, Utah Vorrichtung zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen
US4577701A (en) * 1984-08-08 1986-03-25 Mobil Oil Corporation System of drilling deviated wellbores
US4667751A (en) * 1985-10-11 1987-05-26 Smith International, Inc. System and method for controlled directional drilling
USRE33751E (en) * 1985-10-11 1991-11-26 Smith International, Inc. System and method for controlled directional drilling
US4762186A (en) * 1986-11-05 1988-08-09 Atlantic Richfield Company Medium curvature directional drilling method
DE3804493A1 (de) * 1988-02-12 1989-08-24 Eastman Christensen Co Vorrichtung zum wahlweisen geradeaus- oder richtungsbohren in unterirdische gesteinsformationen
DE3939538A1 (de) * 1989-11-30 1991-06-13 Eastman Christensen Co Richtungsbohrwerkzeug
US5139094A (en) * 1991-02-01 1992-08-18 Anadrill, Inc. Directional drilling methods and apparatus
US5117927A (en) * 1991-02-01 1992-06-02 Anadrill Downhole adjustable bent assemblies
US5165491A (en) * 1991-04-29 1992-11-24 Prideco, Inc. Method of horizontal drilling
US5148876A (en) * 1991-06-10 1992-09-22 Prideco, Inc. Lightweight drill pipe
US5368109A (en) * 1993-11-04 1994-11-29 Slim Dril International Inc. Apparatus for arcuate drilling
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
DE10359880B4 (de) * 2003-12-18 2012-08-30 Tracto-Technik Gmbh Bohrgestängesystem mit einem flexiblen Biegeelement und Verfahren zum optimierten Richtungsbohren
US7814996B2 (en) * 2008-02-01 2010-10-19 Aquatic Company Spiral ribbed aluminum drillpipe
US9556679B2 (en) 2011-08-19 2017-01-31 Precision Energy Services, Inc. Rotary steerable assembly inhibiting counterclockwise whirl during directional drilling
CN114135227B (zh) * 2020-09-04 2023-08-08 万晓跃 一种高稳定性短半径造斜钻井工具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336338A (en) * 1932-04-20 1943-12-07 John A Zublin Apparatus for drilling bores deviating from existing well bores
US2500267A (en) * 1945-03-26 1950-03-14 John A Zublin Apparatus for drilling deflecting well bores
US2565794A (en) * 1945-10-02 1951-08-28 Signal Oil & Gas Co Directional drilling of deviated boreholes
US2805840A (en) * 1954-07-14 1957-09-10 Thompson Vaughan Arc cutter for diamond drilling
US2829864A (en) * 1955-02-01 1958-04-08 Seth R Knapp Method and apparatus for straightening well bore holes
US3380543A (en) * 1966-01-19 1968-04-30 Pan American Petroleum Corp Directional well-drilling apparatus
GB1182791A (en) * 1967-01-25 1970-03-04 Bristol Siddeley Engines Ltd Stabilisers for Borehole Drilling.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103119A (nl) * 1980-07-12 1982-02-01 Preussag Ag Boorwerktuig voor het vervaardigen van gekromd verlopende delen van diepe boringen.

Also Published As

Publication number Publication date
GB1212915A (en) 1970-11-18
DE1902363A1 (de) 1969-07-31
US3563323A (en) 1971-02-16
FR2000464A1 (xx) 1969-09-05

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