GB2363415B - Earth-boring drill bits with enhanced formation cuttings removal features - Google Patents

Earth-boring drill bits with enhanced formation cuttings removal features

Info

Publication number
GB2363415B
GB2363415B GB0121247A GB0121247A GB2363415B GB 2363415 B GB2363415 B GB 2363415B GB 0121247 A GB0121247 A GB 0121247A GB 0121247 A GB0121247 A GB 0121247A GB 2363415 B GB2363415 B GB 2363415B
Authority
GB
United Kingdom
Prior art keywords
earth
drill bits
boring drill
formation cuttings
removal features
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
GB0121247A
Other versions
GB2363415A (en
GB0121247D0 (en
Inventor
William Trujillo
Craig H Cooley
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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
Priority claimed from US08/934,031 external-priority patent/US6125947A/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0121247D0 publication Critical patent/GB0121247D0/en
Publication of GB2363415A publication Critical patent/GB2363415A/en
Application granted granted Critical
Publication of GB2363415B publication Critical patent/GB2363415B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
GB0121247A 1997-09-19 1998-09-03 Earth-boring drill bits with enhanced formation cuttings removal features Expired - Fee Related GB2363415B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/934,031 US6125947A (en) 1997-09-19 1997-09-19 Earth-boring drill bits with enhanced formation cuttings removal features and methods of drilling
GB9819095A GB2329404B (en) 1997-09-19 1998-09-03 Earth-boring drill bit with enhanced formation cuttings removal features

Publications (3)

Publication Number Publication Date
GB0121247D0 GB0121247D0 (en) 2001-10-24
GB2363415A GB2363415A (en) 2001-12-19
GB2363415B true GB2363415B (en) 2002-06-26

Family

ID=26314308

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0121247A Expired - Fee Related GB2363415B (en) 1997-09-19 1998-09-03 Earth-boring drill bits with enhanced formation cuttings removal features
GB0121250A Expired - Fee Related GB2367573B (en) 1997-09-19 1998-09-03 Earth-boring drill bits with enhanced formation cuttings removal features and methods of drilling

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0121250A Expired - Fee Related GB2367573B (en) 1997-09-19 1998-09-03 Earth-boring drill bits with enhanced formation cuttings removal features and methods of drilling

Country Status (1)

Country Link
GB (2) GB2363415B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222843A (en) * 2018-01-05 2018-06-29 绍兴文理学院 A kind of construction method for preventing cast-in-situ bored pile bit freezing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2523325A1 (en) * 2004-10-12 2006-04-12 Dwayne P. Terracina Flow allocation in drill bits

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452324A (en) * 1980-10-21 1984-06-05 Christensen, Inc. Rotary drill bit
US4640375A (en) * 1982-11-22 1987-02-03 Nl Industries, Inc. Drill bit and cutter therefor
EP0295045A2 (en) * 1987-06-09 1988-12-14 Reed Tool Company Rotary drag bit having scouring nozzles
GB2294071A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bit with a reduced tendency for bit whirl
GB2325014A (en) * 1997-04-21 1998-11-11 Camco International Rotary drill bit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2252574B (en) * 1991-02-01 1995-01-18 Reed Tool Co Rotary drill bits and methods of designing such drill bits

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452324A (en) * 1980-10-21 1984-06-05 Christensen, Inc. Rotary drill bit
US4640375A (en) * 1982-11-22 1987-02-03 Nl Industries, Inc. Drill bit and cutter therefor
EP0295045A2 (en) * 1987-06-09 1988-12-14 Reed Tool Company Rotary drag bit having scouring nozzles
GB2294071A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bit with a reduced tendency for bit whirl
GB2325014A (en) * 1997-04-21 1998-11-11 Camco International Rotary drill bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222843A (en) * 2018-01-05 2018-06-29 绍兴文理学院 A kind of construction method for preventing cast-in-situ bored pile bit freezing
CN108222843B (en) * 2018-01-05 2019-05-14 绍兴文理学院 A kind of construction method preventing cast-in-situ bored pile bit freezing

Also Published As

Publication number Publication date
GB0121250D0 (en) 2001-10-24
GB2363415A (en) 2001-12-19
GB0121247D0 (en) 2001-10-24
GB2367573A (en) 2002-04-10
GB2367573B (en) 2002-05-29

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Legal Events

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

Effective date: 20050903