DE69019302D1 - Vorrichtung zum Ändern der Länge einer Werkzeugzusammensetzung in einem Bohrloch. - Google Patents

Vorrichtung zum Ändern der Länge einer Werkzeugzusammensetzung in einem Bohrloch.

Info

Publication number
DE69019302D1
DE69019302D1 DE69019302T DE69019302T DE69019302D1 DE 69019302 D1 DE69019302 D1 DE 69019302D1 DE 69019302 T DE69019302 T DE 69019302T DE 69019302 T DE69019302 T DE 69019302T DE 69019302 D1 DE69019302 D1 DE 69019302D1
Authority
DE
Germany
Prior art keywords
borehole
changing
length
tool assembly
tool
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.)
Expired - Lifetime
Application number
DE69019302T
Other languages
English (en)
Inventor
Grant Anthony Duguid
Kenneth Davis
Dennis Taggart Steed
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.)
Bottom Hole Tech Ltd
Original Assignee
Bottom Hole Tech 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
Priority claimed from GB898924944A external-priority patent/GB8924944D0/en
Priority claimed from GB909018085A external-priority patent/GB9018085D0/en
Priority claimed from GB909022210A external-priority patent/GB9022210D0/en
Application filed by Bottom Hole Tech Ltd filed Critical Bottom Hole Tech Ltd
Application granted granted Critical
Publication of DE69019302D1 publication Critical patent/DE69019302D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes

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)
DE69019302T 1989-11-04 1990-10-30 Vorrichtung zum Ändern der Länge einer Werkzeugzusammensetzung in einem Bohrloch. Expired - Lifetime DE69019302D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898924944A GB8924944D0 (en) 1989-11-04 1989-11-04 Apparatus for altering the length of a downhole tool assembly
GB909018085A GB9018085D0 (en) 1990-08-17 1990-08-17 Apparatus for altering the length of a downhole tool assembly
GB909022210A GB9022210D0 (en) 1990-10-12 1990-10-12 Apparatus for altering the length of a downhole tool assembly

Publications (1)

Publication Number Publication Date
DE69019302D1 true DE69019302D1 (de) 1995-06-14

Family

ID=27264779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019302T Expired - Lifetime DE69019302D1 (de) 1989-11-04 1990-10-30 Vorrichtung zum Ändern der Länge einer Werkzeugzusammensetzung in einem Bohrloch.

Country Status (4)

Country Link
US (1) US5105890A (de)
EP (1) EP0427437B1 (de)
DE (1) DE69019302D1 (de)
NO (1) NO904775L (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0502084T3 (da) * 1989-11-23 1996-08-12 Johannes W H Van Den Bergh Indretning til at styre den forreste part af et borerør
US5265684A (en) * 1991-11-27 1993-11-30 Baroid Technology, Inc. Downhole adjustable stabilizer and method
CA2059910C (en) * 1992-01-23 2001-10-30 Paul Lee Adjustable drilling mechanism
US5526888A (en) * 1994-09-12 1996-06-18 Gazewood; Michael J. Apparatus for axial connection and joinder of tubulars by application of remote hydraulic pressure
US6003607A (en) * 1996-09-12 1999-12-21 Halliburton Energy Services, Inc. Wellbore equipment positioning apparatus and associated methods of completing wells
US5884716A (en) * 1996-10-16 1999-03-23 Dailey Petroleum Constant bottom contact thruster
CA2396532A1 (en) 2000-01-06 2001-07-12 Ultidrill B.V. Long gauge roller vane drilling motor
US6527048B1 (en) * 2001-02-12 2003-03-04 David J. Trosclair Hydraulically actuated downhole coupler system, especially for combination washover/fishing tool assemblies
CA2873799C (en) * 2008-11-17 2018-06-19 Weatherford/Lamb, Inc. Subsea drilling with casing
NO333681B1 (no) * 2009-01-08 2013-08-12 Aker Subsea As Undervanns tilleggskompensator
US8469089B2 (en) * 2010-01-04 2013-06-25 Halliburton Energy Services, Inc. Process and apparatus to improve reliability of pinpoint stimulation operations
US9115540B1 (en) 2015-02-11 2015-08-25 Danny T. Williams Downhole adjustable mud motor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057101C2 (de) * 1970-11-20 1974-03-07 Wirth Co Kg Masch Bohr Teleskop-Bohrgestänge
US4040649A (en) * 1975-10-31 1977-08-09 Dresser Industries, Inc. Oil well tool with packing means
US4055226A (en) * 1976-03-19 1977-10-25 The Servco Company, A Division Of Smith International, Inc. Underreamer having splined torque transmitting connection between telescoping portions for control of cutter position
US4113038A (en) * 1977-04-18 1978-09-12 Clark George M Drilling jar
DE2731170A1 (de) * 1977-07-09 1979-01-25 Preussag Ag Bohrmaschine fuer den untertagebetrieb, insbesondere lafettenbohrmaschine zur herstellung von untersuchungsbohrungen
DE3139573A1 (de) * 1981-10-05 1983-04-21 Bernd 4600 Dortmund Huster Die verlaengerung von bohrgestaengen erleichterndes zusatzgeraet
GB8526876D0 (en) * 1985-10-31 1985-12-04 Swietlik G Locking device
US4693316A (en) * 1985-11-20 1987-09-15 Halliburton Company Round mandrel slip joint
FR2593226B1 (fr) * 1986-01-23 1988-10-28 Total Petroles Systeme de montage d'un stabilisateur dans une garniture de forage, notamment pour forage dirige
EP0251543B1 (de) * 1986-07-03 1991-05-02 Charles Abernethy Anderson Stabilisator im Bohrloch
FR2622920A1 (fr) * 1987-11-09 1989-05-12 Smf Int Dispositif de reglage de la direction d'avancement d'un outil de forage et procede de reglage correspondan
US4844181A (en) * 1988-08-19 1989-07-04 Grey Bassinger Floating sub

Also Published As

Publication number Publication date
NO904775D0 (no) 1990-11-02
NO904775L (no) 1991-05-06
EP0427437B1 (de) 1995-05-10
US5105890A (en) 1992-04-21
EP0427437A1 (de) 1991-05-15

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Legal Events

Date Code Title Description
8332 No legal effect for de