CA2630108C - Propulseur electromecanique - Google Patents

Propulseur electromecanique Download PDF

Info

Publication number
CA2630108C
CA2630108C CA2630108A CA2630108A CA2630108C CA 2630108 C CA2630108 C CA 2630108C CA 2630108 A CA2630108 A CA 2630108A CA 2630108 A CA2630108 A CA 2630108A CA 2630108 C CA2630108 C CA 2630108C
Authority
CA
Canada
Prior art keywords
thruster
downstream
fluid
upstream
fluid chamber
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 - Fee Related
Application number
CA2630108A
Other languages
English (en)
Other versions
CA2630108A1 (fr
Inventor
Arley G. Lee
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Publication of CA2630108A1 publication Critical patent/CA2630108A1/fr
Application granted granted Critical
Publication of CA2630108C publication Critical patent/CA2630108C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • E21B4/00—Drives for drilling, used 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
CA2630108A 2007-05-01 2008-04-28 Propulseur electromecanique Expired - Fee Related CA2630108C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91534907P 2007-05-01 2007-05-01
US60/915,349 2007-05-01

Publications (2)

Publication Number Publication Date
CA2630108A1 CA2630108A1 (fr) 2008-11-01
CA2630108C true CA2630108C (fr) 2010-10-12

Family

ID=39537175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2630108A Expired - Fee Related CA2630108C (fr) 2007-05-01 2008-04-28 Propulseur electromecanique

Country Status (3)

Country Link
CA (1) CA2630108C (fr)
GB (1) GB2448991B (fr)
NO (1) NO20082060L (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040494A (en) * 1975-06-09 1977-08-09 Smith International, Inc. Drill director
US4615401A (en) * 1984-06-26 1986-10-07 Smith International Automatic hydraulic thruster
ES2131215T3 (es) * 1993-10-26 1999-07-16 Raymond C Labonte Herramienta para mantener la penetracion dentro del pozo de sondeo.
US6102138A (en) * 1997-08-20 2000-08-15 Baker Hughes Incorporated Pressure-modulation valve assembly
US6655460B2 (en) * 2001-10-12 2003-12-02 Weatherford/Lamb, Inc. Methods and apparatus to control downhole tools

Also Published As

Publication number Publication date
GB0808011D0 (en) 2008-06-11
GB2448991A (en) 2008-11-05
NO20082060L (no) 2008-11-03
GB2448991B (en) 2009-09-02
CA2630108A1 (fr) 2008-11-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180430