ZA853605B - Rotary drill bit - Google Patents

Rotary drill bit

Info

Publication number
ZA853605B
ZA853605B ZA853605A ZA853605A ZA853605B ZA 853605 B ZA853605 B ZA 853605B ZA 853605 A ZA853605 A ZA 853605A ZA 853605 A ZA853605 A ZA 853605A ZA 853605 B ZA853605 B ZA 853605B
Authority
ZA
South Africa
Prior art keywords
drill bit
rotary drill
rotary
bit
drill
Prior art date
Application number
ZA853605A
Other languages
English (en)
Inventor
Ulf Anders Bentsson
Original Assignee
Santrade 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 Santrade Ltd filed Critical Santrade Ltd
Publication of ZA853605B publication Critical patent/ZA853605B/xx

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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/08—Roller bits
    • 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
ZA853605A 1984-06-18 1985-05-13 Rotary drill bit ZA853605B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8403242A SE457656B (sv) 1984-06-18 1984-06-18 Borrkrona innefattande en roterande skaerrulle och borrhuvud innefattande saadan borrkrona

Publications (1)

Publication Number Publication Date
ZA853605B true ZA853605B (en) 1985-12-24

Family

ID=20356259

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA853605A ZA853605B (en) 1984-06-18 1985-05-13 Rotary drill bit

Country Status (7)

Country Link
US (1) US4641718A (de)
AU (1) AU580307B2 (de)
CA (1) CA1235113A (de)
DE (1) DE3521159C2 (de)
NO (1) NO166250C (de)
SE (1) SE457656B (de)
ZA (1) ZA853605B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34167E (en) * 1985-10-11 1993-01-26 Santrade Limited Drill bit and roller cutter for said drill bit
SE459436B (sv) * 1985-10-11 1989-07-03 Sandvik Ab Borrhuvud och skaerrulle avsedd att anvaendas vid detta
US5042596A (en) * 1989-02-21 1991-08-27 Amoco Corporation Imbalance compensated drill bit
US5010789A (en) * 1989-02-21 1991-04-30 Amoco Corporation Method of making imbalanced compensated drill bit
CA1333282C (en) * 1989-02-21 1994-11-29 J. Ford Brett Imbalance compensated drill bit
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
US5027913A (en) * 1990-04-12 1991-07-02 Smith International, Inc. Insert attack angle for roller cone rock bits
US5485888A (en) * 1993-05-17 1996-01-23 R. H. Woods, Ltd. Spherical reaming bit
US6604587B1 (en) * 2000-06-14 2003-08-12 Smith International, Inc. Flat profile cutting structure for roller cone drill bits
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
EP2478177A2 (de) * 2009-09-16 2012-07-25 Baker Hughes Incorporated Externe geteilte pdc-lageranordnungen für hybrid-bohrspitzen
CN105672887B (zh) 2010-06-29 2019-08-20 贝克休斯公司 具有防钻头循旧槽结构的混合式钻头
RU2601645C2 (ru) 2011-02-11 2016-11-10 Бейкер Хьюз Инкорпорейтед Система и способ фиксации лапы на гибридных долотах
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
BR112014011743B1 (pt) 2011-11-15 2020-08-25 Baker Hughes Incorporated broca de perfuração de furação de terreno, método utilizando a mesma e broca de perfuração para a perfuração de um furo de poço em formações de terreno
BR112016027337A8 (pt) 2014-05-23 2021-05-04 Baker Hughes Inc broca híbrida com montagem de cortador mecanicamente fixada
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126066A (en) * 1964-03-24 Rotary drill bit with wiper blade
US1238757A (en) * 1913-02-28 1917-09-04 Levi S Gardner Rotary drill.
US1859948A (en) * 1929-07-29 1932-05-24 John A Zublin Bit with cutters having scraping and rolling motions
US2058749A (en) * 1934-03-28 1936-10-27 Williams Iron Works Company Drill bit
US2362860A (en) * 1941-12-22 1944-11-14 Allen M Rossman Earth boring rock bit
US2336335A (en) * 1942-08-13 1943-12-07 John A Zublin Rotary hammering bit
US2598518A (en) * 1948-04-21 1952-05-27 Normand E Dufilho Rock bit
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill
US3858670A (en) * 1972-05-08 1975-01-07 Eugene Gray Ott Insert cutter for cutting kerfs
US4154312A (en) * 1977-05-26 1979-05-15 Eduardo Barnetche Drill bit with single cutting head
US4089382A (en) * 1977-04-04 1978-05-16 Hughes Tool Company Cutter mounting for a large hole earth boring bit
US4187922A (en) * 1978-05-12 1980-02-12 Dresser Industries, Inc. Varied pitch rotary rock bit
US4248314A (en) * 1979-05-29 1981-02-03 Hughes Tool Company Shaft drill bit with overlapping cutter arrangement
US4316515A (en) * 1979-05-29 1982-02-23 Hughes Tool Company Shaft drill bit with improved cutter bearing and seal arrangement and cutter insert arrangement
US4441566A (en) * 1980-06-23 1984-04-10 Hughes Tool Company Drill bit with dispersed cutter inserts
DE3131201C2 (de) * 1981-06-10 1984-08-16 Preussag AG Bauwesen, 3005 Hemmingen Bohrkopf zum Gesteinsbohren
US4372403A (en) * 1981-09-14 1983-02-08 Beeman Archie W Eccentric rotary bit

Also Published As

Publication number Publication date
SE8403242D0 (sv) 1984-06-18
DE3521159C2 (de) 1986-12-11
SE8403242L (sv) 1985-12-19
SE457656B (sv) 1989-01-16
DE3521159A1 (de) 1985-12-19
AU4306485A (en) 1986-01-02
NO166250C (no) 1991-06-19
NO852444L (no) 1985-12-19
US4641718A (en) 1987-02-10
NO166250B (no) 1991-03-11
AU580307B2 (en) 1989-01-12
CA1235113A (en) 1988-04-12

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