DK173482B1 - Retningsboreapparat - Google Patents

Retningsboreapparat Download PDF

Info

Publication number
DK173482B1
DK173482B1 DK199100805A DK80591A DK173482B1 DK 173482 B1 DK173482 B1 DK 173482B1 DK 199100805 A DK199100805 A DK 199100805A DK 80591 A DK80591 A DK 80591A DK 173482 B1 DK173482 B1 DK 173482B1
Authority
DK
Denmark
Prior art keywords
rotation
coupling means
drill string
deflection
axis
Prior art date
Application number
DK199100805A
Other languages
Danish (da)
English (en)
Other versions
DK80591A (da
DK80591D0 (da
Inventor
James Bain Noble
Original Assignee
Directional Drilling Dynamics
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 GB888825771A external-priority patent/GB8825771D0/en
Priority claimed from GB898903447A external-priority patent/GB8903447D0/en
Priority claimed from GB898913594A external-priority patent/GB8913594D0/en
Application filed by Directional Drilling Dynamics filed Critical Directional Drilling Dynamics
Publication of DK80591A publication Critical patent/DK80591A/da
Publication of DK80591D0 publication Critical patent/DK80591D0/da
Application granted granted Critical
Publication of DK173482B1 publication Critical patent/DK173482B1/da

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/20—Drives for drilling, used in the borehole combined with surface drive
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Paper (AREA)
DK199100805A 1988-11-03 1991-04-30 Retningsboreapparat DK173482B1 (da)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB888825771A GB8825771D0 (en) 1988-11-03 1988-11-03 Directional drilling device
GB8825771 1988-11-03
GB8903447 1989-02-15
GB898903447A GB8903447D0 (en) 1989-02-15 1989-02-15 Directional drilling device
GB8913594 1989-06-13
GB898913594A GB8913594D0 (en) 1989-06-13 1989-06-13 Directional drilling device
PCT/GB1989/001318 WO1990005235A1 (fr) 1988-11-03 1989-11-03 Appareil et procede de forage directionnel
GB8901318 1989-11-03

Publications (3)

Publication Number Publication Date
DK80591A DK80591A (da) 1991-04-30
DK80591D0 DK80591D0 (da) 1991-04-30
DK173482B1 true DK173482B1 (da) 2000-12-18

Family

ID=27264151

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199100805A DK173482B1 (da) 1988-11-03 1991-04-30 Retningsboreapparat

Country Status (9)

Country Link
US (1) US5113953A (fr)
EP (1) EP0441890B1 (fr)
AU (1) AU635509B2 (fr)
BR (1) BR8907750A (fr)
CA (1) CA2002135C (fr)
DE (1) DE68914286T2 (fr)
DK (1) DK173482B1 (fr)
NO (1) NO178834C (fr)
WO (1) WO1990005235A1 (fr)

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Also Published As

Publication number Publication date
WO1990005235A1 (fr) 1990-05-17
EP0441890A1 (fr) 1991-08-21
NO911720L (no) 1991-07-02
CA2002135A1 (fr) 1990-05-03
AU635509B2 (en) 1993-03-25
NO911720D0 (no) 1991-05-02
AU4630189A (en) 1990-05-28
DK80591A (da) 1991-04-30
NO178834B (no) 1996-03-04
US5113953A (en) 1992-05-19
DE68914286T2 (de) 1994-11-03
NO178834C (no) 1996-06-12
CA2002135C (fr) 1999-02-02
DE68914286D1 (de) 1994-05-05
BR8907750A (pt) 1991-08-27
DK80591D0 (da) 1991-04-30
EP0441890B1 (fr) 1994-03-30

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