GB2397317B - Rotary drag bit with discrete cutting structures - Google Patents

Rotary drag bit with discrete cutting structures

Info

Publication number
GB2397317B
GB2397317B GB0405546A GB0405546A GB2397317B GB 2397317 B GB2397317 B GB 2397317B GB 0405546 A GB0405546 A GB 0405546A GB 0405546 A GB0405546 A GB 0405546A GB 2397317 B GB2397317 B GB 2397317B
Authority
GB
United Kingdom
Prior art keywords
cutting structures
drag bit
rotary drag
discrete cutting
discrete
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 - Lifetime
Application number
GB0405546A
Other versions
GB2397317A8 (en
GB2397317A (en
GB0405546D0 (en
Inventor
Volker Richert
Van Jordan Brackin
Matthew Ray Isbell
Douglas J Bobrosky
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 US09/709,999 external-priority patent/US6510906B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0405546D0 publication Critical patent/GB0405546D0/en
Publication of GB2397317A publication Critical patent/GB2397317A/en
Publication of GB2397317A8 publication Critical patent/GB2397317A8/en
Application granted granted Critical
Publication of GB2397317B publication Critical patent/GB2397317B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/46—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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • 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
    • E21B10/56—Button-type inserts
    • 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
GB0405546A 1999-11-29 2000-11-29 Rotary drag bit with discrete cutting structures Expired - Lifetime GB2397317B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16778199P 1999-11-29 1999-11-29
US09/709,999 US6510906B1 (en) 1999-11-29 2000-11-10 Impregnated bit with PDC cutters in cone area
GB0028976A GB2356655B (en) 1999-11-29 2000-11-29 Impregnated bit with PDC cutters in a cone area

Publications (4)

Publication Number Publication Date
GB0405546D0 GB0405546D0 (en) 2004-04-21
GB2397317A GB2397317A (en) 2004-07-21
GB2397317A8 GB2397317A8 (en) 2004-07-23
GB2397317B true GB2397317B (en) 2004-09-08

Family

ID=32600659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0405546A Expired - Lifetime GB2397317B (en) 1999-11-29 2000-11-29 Rotary drag bit with discrete cutting structures

Country Status (1)

Country Link
GB (1) GB2397317B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109737A (en) * 1976-06-24 1978-08-29 General Electric Company Rotary drill bit
FR2504589A1 (en) * 1981-04-24 1982-10-29 Vennin Henri One-piece hardened steel rotating drilling tool - having diamond cutting studs and lubricant injection ports
US4889017A (en) * 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
GB2353053A (en) * 1999-06-30 2001-02-14 Smith International Diamond impregnated drill bit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109737A (en) * 1976-06-24 1978-08-29 General Electric Company Rotary drill bit
FR2504589A1 (en) * 1981-04-24 1982-10-29 Vennin Henri One-piece hardened steel rotating drilling tool - having diamond cutting studs and lubricant injection ports
US4889017A (en) * 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
GB2353053A (en) * 1999-06-30 2001-02-14 Smith International Diamond impregnated drill bit

Also Published As

Publication number Publication date
GB2397317A8 (en) 2004-07-23
GB2397317A (en) 2004-07-21
GB0405546D0 (en) 2004-04-21

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20201128