GB2440456B - Downhole drilling tool - Google Patents

Downhole drilling tool

Info

Publication number
GB2440456B
GB2440456B GB0718805A GB0718805A GB2440456B GB 2440456 B GB2440456 B GB 2440456B GB 0718805 A GB0718805 A GB 0718805A GB 0718805 A GB0718805 A GB 0718805A GB 2440456 B GB2440456 B GB 2440456B
Authority
GB
United Kingdom
Prior art keywords
drilling tool
downhole drilling
downhole
tool
drilling
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
GB0718805A
Other versions
GB2440456A (en
GB0718805D0 (en
Inventor
George Swietlik
Christopher David Down
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.)
Pilot Drilling Control Ltd
Original Assignee
Pilot Drilling Control 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 GB0400892A external-priority patent/GB2410067B/en
Application filed by Pilot Drilling Control Ltd filed Critical Pilot Drilling Control Ltd
Priority to GB0718805A priority Critical patent/GB2440456B/en
Publication of GB0718805D0 publication Critical patent/GB0718805D0/en
Publication of GB2440456A publication Critical patent/GB2440456A/en
Application granted granted Critical
Publication of GB2440456B publication Critical patent/GB2440456B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
    • F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs

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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)
GB0718805A 2004-01-15 2004-12-17 Downhole drilling tool Expired - Fee Related GB2440456B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0718805A GB2440456B (en) 2004-01-15 2004-12-17 Downhole drilling tool

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0400892A GB2410067B (en) 2004-01-15 2004-01-15 Freewheel
GB0718805A GB2440456B (en) 2004-01-15 2004-12-17 Downhole drilling tool
GB0427717A GB2410043B (en) 2004-01-15 2004-12-17 Downhole drilling tool

Publications (3)

Publication Number Publication Date
GB0718805D0 GB0718805D0 (en) 2007-11-07
GB2440456A GB2440456A (en) 2008-01-30
GB2440456B true GB2440456B (en) 2008-07-02

Family

ID=38235478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0718805A Expired - Fee Related GB2440456B (en) 2004-01-15 2004-12-17 Downhole drilling tool

Country Status (1)

Country Link
GB (1) GB2440456B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2256069A1 (en) * 1998-12-15 2000-06-15 Ian Gillis Free-wheeling clutch for a downhole drilling assembly
WO2005003505A1 (en) * 2003-06-27 2005-01-13 The Charles Machine Works, Inc. Coupling for dual member pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2256069A1 (en) * 1998-12-15 2000-06-15 Ian Gillis Free-wheeling clutch for a downhole drilling assembly
WO2005003505A1 (en) * 2003-06-27 2005-01-13 The Charles Machine Works, Inc. Coupling for dual member pipe

Also Published As

Publication number Publication date
GB2440456A (en) 2008-01-30
GB0718805D0 (en) 2007-11-07

Similar Documents

Publication Publication Date Title
GB2416175B (en) Downhole tool
GB2415210B (en) Drill bit
GB2415725B (en) Downhole tool
GB2415718B (en) Downhole formation testing tool
GB2398587B (en) Downhole tool
GB0303019D0 (en) Downhole tool
GB0323627D0 (en) Downhole tool
GB0704097D0 (en) Drill bit assembly
GB2410043B (en) Downhole drilling tool
GB2412676B (en) Drill bit
GB2430963B (en) Downhole tool
GB2416555B (en) Downhole tool
GB2403236B (en) Drilling tool
AU300816S (en) Hard rock drill tool
GB2409477B (en) Downhole tool
GB2443115B (en) Drill bit
GB2434605B (en) Downhole drilling tool
GB2445321B (en) Downhole drilling tool
GB2430687B (en) Downhole tool
GB2440456B (en) Downhole drilling tool
GB0407756D0 (en) Downhole tool
GB2427634B (en) Downhole tool
GB0427785D0 (en) Downhole tool
GB0402858D0 (en) Downhole tool
GB0403428D0 (en) Posthole boring tool

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111217