NO20082060L - Elektromekanisk trykkinnretning - Google Patents

Elektromekanisk trykkinnretning

Info

Publication number
NO20082060L
NO20082060L NO20082060A NO20082060A NO20082060L NO 20082060 L NO20082060 L NO 20082060L NO 20082060 A NO20082060 A NO 20082060A NO 20082060 A NO20082060 A NO 20082060A NO 20082060 L NO20082060 L NO 20082060L
Authority
NO
Norway
Prior art keywords
tubular member
pressure device
fluid
fluid chamber
downstream
Prior art date
Application number
NO20082060A
Other languages
English (en)
Inventor
Arley G Lee
Original Assignee
Smith International
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 filed Critical Smith International
Publication of NO20082060L publication Critical patent/NO20082060L/no

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)

Abstract

Boresystem som omfatter en borkrone og en trykkinnretning for å utøve en kraft mot borkronen. Trykkinnretningen omfatter et indre rørformet element anordnet inne i og utformet til å beveges aksialt inne i et ytre rørformet element, et trykkstempel for å overføre hydraulisk kraft til det indre rørformede elementet, idet trykkstemplet skiller et oppstrøms fluidkammer og et nedstrøms fluidkammer mellom det indre og ytre rørformede elementet, i det minste én trykkbryter som er i fluidforbindelse med det nedstrøms fluidkammeret for å styre strømmen av et fluid til og fra det nedstrøms fluidkammeret via i det minste ett fluidinnløp og i det minste ett fluidutløp.
NO20082060A 2007-05-01 2008-04-30 Elektromekanisk trykkinnretning NO20082060L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91534907P 2007-05-01 2007-05-01

Publications (1)

Publication Number Publication Date
NO20082060L true NO20082060L (no) 2008-11-03

Family

ID=39537175

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20082060A NO20082060L (no) 2007-05-01 2008-04-30 Elektromekanisk trykkinnretning

Country Status (3)

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

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
ATE177168T1 (de) * 1993-10-26 1999-03-15 Raymond C Labonte Werkzeug zur aufrechterhaltung der bohrlochpenetration
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
CA2630108A1 (en) 2008-11-01
GB2448991A (en) 2008-11-05
CA2630108C (en) 2010-10-12
GB2448991B (en) 2009-09-02
GB0808011D0 (en) 2008-06-11

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application