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GB2517595B - Improvements in or relation to tools - Google Patents

Improvements in or relation to tools

Info

Publication number
GB2517595B
GB2517595B GB1414828.2A GB201414828A GB2517595B GB 2517595 B GB2517595 B GB 2517595B GB 201414828 A GB201414828 A GB 201414828A GB 2517595 B GB2517595 B GB 2517595B
Authority
GB
United Kingdom
Prior art keywords
tools
relation
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
GB1414828.2A
Other versions
GB2517595A (en
GB201414828D0 (en
Inventor
Douglas Mcdonald Stuart
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.)
HUNTING ENERGY SERVICES INTERNATIONAL Ltd
Original Assignee
HUNTING ENERGY SERVICES INTERNATIONAL 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
Application filed by HUNTING ENERGY SERVICES INTERNATIONAL Ltd filed Critical HUNTING ENERGY SERVICES INTERNATIONAL Ltd
Publication of GB201414828D0 publication Critical patent/GB201414828D0/en
Publication of GB2517595A publication Critical patent/GB2517595A/en
Application granted granted Critical
Publication of GB2517595B publication Critical patent/GB2517595B/en
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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • 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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/1085—Wear protectors; Blast joints; Hard facing

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)
GB1414828.2A 2013-08-20 2014-08-20 Improvements in or relation to tools Expired - Fee Related GB2517595B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201314892A GB201314892D0 (en) 2013-08-20 2013-08-20 Improvements in or relating to tools

Publications (3)

Publication Number Publication Date
GB201414828D0 GB201414828D0 (en) 2014-10-01
GB2517595A GB2517595A (en) 2015-02-25
GB2517595B true GB2517595B (en) 2016-04-20

Family

ID=49301965

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201314892A Ceased GB201314892D0 (en) 2013-08-20 2013-08-20 Improvements in or relating to tools
GB1414828.2A Expired - Fee Related GB2517595B (en) 2013-08-20 2014-08-20 Improvements in or relation to tools

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201314892A Ceased GB201314892D0 (en) 2013-08-20 2013-08-20 Improvements in or relating to tools

Country Status (2)

Country Link
GB (2) GB201314892D0 (en)
WO (1) WO2015025163A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105041235A (en) * 2015-09-07 2015-11-11 山西风雷钻具有限公司 Transmission shaft shell used for screw drill

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2047775A (en) * 1979-04-27 1980-12-03 Cristensen Inc Removable drill string stabilizers
WO1999005391A1 (en) * 1997-07-25 1999-02-04 Weiss Robert A Drill string stabilizer
US6170583B1 (en) * 1998-01-16 2001-01-09 Dresser Industries, Inc. Inserts and compacts having coated or encrusted cubic boron nitride particles
GB2390384A (en) * 2002-07-03 2004-01-07 Smith International Drill bit with arcuate cutting insert
GB2459217A (en) * 2007-01-08 2009-10-21 Halliburton Energy Serv Inc Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials
GB2468781A (en) * 2009-03-20 2010-09-22 Turbopower Drilling Sal Downhole drilling assembly
US8002052B2 (en) * 2005-09-09 2011-08-23 Baker Hughes Incorporated Particle-matrix composite drill bits with hardfacing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557339A (en) * 1982-12-30 1985-12-10 Hughes Tool Company Borehole conditioning apparatus
GB8709229D0 (en) * 1987-04-16 1987-05-20 Shell Int Research Tubular element
US6349780B1 (en) * 2000-08-11 2002-02-26 Baker Hughes Incorporated Drill bit with selectively-aggressive gage pads
US8776341B2 (en) * 2007-05-18 2014-07-15 Baker Hughes Incorporated Method of repairing diamond rock bit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2047775A (en) * 1979-04-27 1980-12-03 Cristensen Inc Removable drill string stabilizers
WO1999005391A1 (en) * 1997-07-25 1999-02-04 Weiss Robert A Drill string stabilizer
US6170583B1 (en) * 1998-01-16 2001-01-09 Dresser Industries, Inc. Inserts and compacts having coated or encrusted cubic boron nitride particles
GB2390384A (en) * 2002-07-03 2004-01-07 Smith International Drill bit with arcuate cutting insert
US8002052B2 (en) * 2005-09-09 2011-08-23 Baker Hughes Incorporated Particle-matrix composite drill bits with hardfacing
GB2459217A (en) * 2007-01-08 2009-10-21 Halliburton Energy Serv Inc Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials
GB2468781A (en) * 2009-03-20 2010-09-22 Turbopower Drilling Sal Downhole drilling assembly

Also Published As

Publication number Publication date
GB2517595A (en) 2015-02-25
WO2015025163A3 (en) 2015-06-11
WO2015025163A2 (en) 2015-02-26
GB201314892D0 (en) 2013-10-02
GB201414828D0 (en) 2014-10-01

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Legal Events

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

Effective date: 20180820