ZA200110556B - Roller cone drill bit structure having improved journal angle and journal offset. - Google Patents

Roller cone drill bit structure having improved journal angle and journal offset.

Info

Publication number
ZA200110556B
ZA200110556B ZA200110556A ZA200110556A ZA200110556B ZA 200110556 B ZA200110556 B ZA 200110556B ZA 200110556 A ZA200110556 A ZA 200110556A ZA 200110556 A ZA200110556 A ZA 200110556A ZA 200110556 B ZA200110556 B ZA 200110556B
Authority
ZA
South Africa
Prior art keywords
journal
drill bit
roller cone
bit structure
cone drill
Prior art date
Application number
ZA200110556A
Other languages
English (en)
Inventor
Ying Xiang
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of ZA200110556B publication Critical patent/ZA200110556B/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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
ZA200110556A 2000-12-27 2001-12-21 Roller cone drill bit structure having improved journal angle and journal offset. ZA200110556B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/749,204 US6561291B2 (en) 2000-12-27 2000-12-27 Roller cone drill bit structure having improved journal angle and journal offset

Publications (1)

Publication Number Publication Date
ZA200110556B true ZA200110556B (en) 2002-07-29

Family

ID=25012715

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200110556A ZA200110556B (en) 2000-12-27 2001-12-21 Roller cone drill bit structure having improved journal angle and journal offset.

Country Status (5)

Country Link
US (1) US6561291B2 (fr)
AU (1) AU758430B2 (fr)
CA (1) CA2366198C (fr)
GB (1) GB2370591B (fr)
ZA (1) ZA200110556B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200104086B (en) * 2000-05-18 2003-02-18 Smith International Rolling cone bit with elements fanned along the gage curve.
US6786288B2 (en) * 2001-08-16 2004-09-07 Smith International, Inc. Cutting structure for roller cone drill bits
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US9074431B2 (en) 2008-01-11 2015-07-07 Smith International, Inc. Rolling cone drill bit having high density cutting elements
WO2011035051A2 (fr) 2009-09-16 2011-03-24 Baker Hughes Incorporated Ensembles de palier en carbone de diamant polycristallin divorcés externes pour trépans de forage hybrides
BR112012033700B1 (pt) 2010-06-29 2019-12-31 Baker Hughes Inc brocas de perfuração com características antirrastreamento
BR112013020524B1 (pt) 2011-02-11 2020-09-29 Baker Hughes Incorporated Broca de perfuração de sondagem de terra híbrida e método de montagem de uma broca de perfuração de sondagem de terra híbrida
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
MX351357B (es) 2011-11-15 2017-10-11 Baker Hughes Inc Barrenas de perforación híbridas que tienen eficiencia incrementada de perforación.
CN103758458B (zh) * 2014-01-10 2015-12-30 西南石油大学 一种混合式单牙轮钻头
RU2689465C2 (ru) 2014-05-23 2019-05-28 Бейкер Хьюз Инкорпорейтед Комбинированное буровое долото с механическим креплением элементов шарошечного узла долота
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
US10508500B2 (en) 2017-08-30 2019-12-17 Baker Hughes, A Ge Company, Llc Earth boring tools having fixed blades and rotatable cutting structures and related methods
US10801266B2 (en) 2018-05-18 2020-10-13 Baker Hughes, A Ge Company, Llc Earth-boring tools having fixed blades and rotatable cutting structures and related methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1104232A1 (ru) * 1983-01-05 1984-07-23 Уфимский Нефтяной Институт Опора бурового шарошечного долота
US5487435A (en) * 1994-07-07 1996-01-30 Baker Hughes Incorporated Mounting system for raise and shaft cutters
US5606895A (en) * 1994-08-08 1997-03-04 Dresser Industries, Inc. Method for manufacture and rebuild a rotary drill bit
US6390210B1 (en) 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
US6345673B1 (en) 1998-11-20 2002-02-12 Smith International, Inc. High offset bits with super-abrasive cutters
ZA200104086B (en) * 2000-05-18 2003-02-18 Smith International Rolling cone bit with elements fanned along the gage curve.

Also Published As

Publication number Publication date
GB2370591A (en) 2002-07-03
CA2366198A1 (fr) 2002-06-27
GB2370591B (en) 2003-03-05
US6561291B2 (en) 2003-05-13
CA2366198C (fr) 2005-09-13
US20020079138A1 (en) 2002-06-27
AU758430B2 (en) 2003-03-20
GB0129627D0 (en) 2002-01-30
AU9740601A (en) 2002-07-04

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