DE69520133D1 - Verbesserungen an Drehbohrmeissel - Google Patents

Verbesserungen an Drehbohrmeissel

Info

Publication number
DE69520133D1
DE69520133D1 DE69520133T DE69520133T DE69520133D1 DE 69520133 D1 DE69520133 D1 DE 69520133D1 DE 69520133 T DE69520133 T DE 69520133T DE 69520133 T DE69520133 T DE 69520133T DE 69520133 D1 DE69520133 D1 DE 69520133D1
Authority
DE
Germany
Prior art keywords
drill bits
rotary drill
rotary
bits
drill
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
DE69520133T
Other languages
English (en)
Other versions
DE69520133T2 (de
Inventor
Alex Newton
Malcolm R Taylor
John M Fuller
Andy Murdock
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.)
Camco Drilling Group Ltd
Original Assignee
Camco Drilling Group 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 Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Application granted granted Critical
Publication of DE69520133D1 publication Critical patent/DE69520133D1/de
Publication of DE69520133T2 publication Critical patent/DE69520133T2/de
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
DE69520133T 1994-11-01 1995-09-29 Verbesserungen an Drehbohrmeissel Expired - Fee Related DE69520133T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9421924A GB9421924D0 (en) 1994-11-01 1994-11-01 Improvements in or relating to rotary drill bits

Publications (2)

Publication Number Publication Date
DE69520133D1 true DE69520133D1 (de) 2001-03-29
DE69520133T2 DE69520133T2 (de) 2001-08-02

Family

ID=10763654

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520133T Expired - Fee Related DE69520133T2 (de) 1994-11-01 1995-09-29 Verbesserungen an Drehbohrmeissel

Country Status (4)

Country Link
US (1) US5651421A (de)
EP (1) EP0710765B1 (de)
DE (1) DE69520133T2 (de)
GB (1) GB9421924D0 (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5924502A (en) * 1996-11-12 1999-07-20 Dresser Industries, Inc. Steel-bodied bit
GB9712342D0 (en) * 1997-06-14 1997-08-13 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
US6006845A (en) * 1997-09-08 1999-12-28 Baker Hughes Incorporated Rotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capability
US6173797B1 (en) 1997-09-08 2001-01-16 Baker Hughes Incorporated Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability
US6112836A (en) * 1997-09-08 2000-09-05 Baker Hughes Incorporated Rotary drill bits employing tandem gage pad arrangement
US6321862B1 (en) 1997-09-08 2001-11-27 Baker Hughes Incorporated Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability
US6125947A (en) * 1997-09-19 2000-10-03 Baker Hughes Incorporated Earth-boring drill bits with enhanced formation cuttings removal features and methods of drilling
US6119797A (en) * 1998-03-19 2000-09-19 Kingdream Public Ltd. Co. Single cone earth boring bit
US6684967B2 (en) 1999-08-05 2004-02-03 Smith International, Inc. Side cutting gage pad improving stabilization and borehole integrity
US6460631B2 (en) * 1999-08-26 2002-10-08 Baker Hughes Incorporated Drill bits with reduced exposure of cutters
US6575256B1 (en) 2000-01-11 2003-06-10 Baker Hughes Incorporated Drill bit with lateral movement mitigation and method of subterranean drilling
US6427792B1 (en) 2000-07-06 2002-08-06 Camco International (Uk) Limited Active gauge cutting structure for earth boring drill bits
US6349780B1 (en) 2000-08-11 2002-02-26 Baker Hughes Incorporated Drill bit with selectively-aggressive gage pads
BE1014333A3 (fr) * 2001-08-06 2003-09-02 Diamant Drilling Service Trepan rotatif pour le forage de puits.
US20040108138A1 (en) * 2002-08-21 2004-06-10 Iain Cooper Hydraulic Optimization of Drilling Fluids in Borehole Drilling
GB2424433B (en) * 2005-03-03 2009-06-24 Smith International Fixed cutter drill bit for abrasive applications
US20060278442A1 (en) * 2005-06-13 2006-12-14 Kristensen Henry L Drill bit
GB0521693D0 (en) * 2005-10-25 2005-11-30 Reedhycalog Uk Ltd Representation of whirl in fixed cutter drill bits
US20070205024A1 (en) * 2005-11-30 2007-09-06 Graham Mensa-Wilmot Steerable fixed cutter drill bit
US8141665B2 (en) 2005-12-14 2012-03-27 Baker Hughes Incorporated Drill bits with bearing elements for reducing exposure of cutters
US20070261890A1 (en) * 2006-05-10 2007-11-15 Smith International, Inc. Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements
GB2442596B (en) * 2006-10-02 2009-01-21 Smith International Drill bits with dropping tendencies and methods for making the same
CA2675572C (en) * 2007-01-31 2015-06-23 Halliburton Energy Services, Inc. Rotary drill bits with protected cutting elements and methods
WO2008118897A1 (en) * 2007-03-27 2008-10-02 Halliburton Energy Services, Inc. Rotary drill bit with improved steerability and reduced wear
GB2449561B (en) 2007-05-23 2009-07-08 Smith International Fixed cutter bit partial blade connection at bit center
US7703557B2 (en) * 2007-06-11 2010-04-27 Smith International, Inc. Fixed cutter bit with backup cutter elements on primary blades
US7814997B2 (en) 2007-06-14 2010-10-19 Baker Hughes Incorporated Interchangeable bearing blocks for drill bits, and drill bits including same
US8720604B2 (en) * 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
US8727036B2 (en) * 2007-08-15 2014-05-20 Schlumberger Technology Corporation System and method for drilling
US8763726B2 (en) * 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US20100038141A1 (en) * 2007-08-15 2010-02-18 Schlumberger Technology Corporation Compliantly coupled gauge pad system with movable gauge pads
US8757294B2 (en) * 2007-08-15 2014-06-24 Schlumberger Technology Corporation System and method for controlling a drilling system for drilling a borehole in an earth formation
US8066085B2 (en) 2007-08-15 2011-11-29 Schlumberger Technology Corporation Stochastic bit noise control
US8534380B2 (en) * 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US7926596B2 (en) * 2007-09-06 2011-04-19 Smith International, Inc. Drag bit with utility blades
US8869919B2 (en) 2007-09-06 2014-10-28 Smith International, Inc. Drag bit with utility blades
ES2387837T3 (es) 2007-09-26 2012-10-02 Nokia Corporation Limitación de señalización de múltiples dimensiones de carga útil para asignaciones de recursos
US9016407B2 (en) * 2007-12-07 2015-04-28 Smith International, Inc. Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
WO2009146078A1 (en) * 2008-04-01 2009-12-03 Smith International, Inc. Fixed cutter bit with backup cutter elements on secondary blades
US20100025121A1 (en) * 2008-07-30 2010-02-04 Thorsten Schwefe Earth boring drill bits with using opposed kerfing for cutters
US8327956B2 (en) 2008-12-19 2012-12-11 Varel International, Ind., L.P. Multi-set PDC drill bit and method
GB0900606D0 (en) 2009-01-15 2009-02-25 Downhole Products Plc Tubing shoe
BRPI1014619A2 (pt) * 2009-04-30 2016-04-05 Baker Hughes Inc blocos de suporte para brocas de perfuração, montagens de broca de perfuração incluindo blocos de suporte e métodos relacionados
US8327944B2 (en) * 2009-05-29 2012-12-11 Varel International, Ind., L.P. Whipstock attachment to a fixed cutter drilling or milling bit
US8517123B2 (en) * 2009-05-29 2013-08-27 Varel International, Ind., L.P. Milling cap for a polycrystalline diamond compact cutter
SG175249A1 (en) * 2009-06-05 2011-11-28 Varel Int Ind Lp Casing bit and casing reamer designs
US20110209922A1 (en) * 2009-06-05 2011-09-01 Varel International Casing end tool
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
WO2011005996A2 (en) 2009-07-08 2011-01-13 Baker Hughes Incorporated Cutting element for a drill bit used in drilling subterranean formations
RU2012103935A (ru) 2009-07-08 2013-08-20 Бейкер Хьюз Инкорпорейтед Режущий элемент и способ его формирования
EP2479003A3 (de) 2009-07-27 2013-10-02 Baker Hughes Incorporated Schleifartikel
US8127869B2 (en) * 2009-09-28 2012-03-06 Baker Hughes Incorporated Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools
US9309723B2 (en) 2009-10-05 2016-04-12 Baker Hughes Incorporated Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of directional and off center drilling
US8544568B2 (en) 2010-12-06 2013-10-01 Varel International, Inc., L.P. Shoulder durability enhancement for a PDC drill bit using secondary and tertiary cutting elements
WO2015094221A1 (en) * 2013-12-18 2015-06-25 Halliburton Energy Services, Inc. Cutting structure design with secondary cutter methodology
WO2015120326A1 (en) 2014-02-07 2015-08-13 Varel International Ind., L.P. Mill-drill cutter and drill bit
CN103939024B (zh) * 2014-04-29 2016-04-20 上海工程机械厂有限公司 一种硬砂质土钻头
US9951567B2 (en) * 2014-09-12 2018-04-24 Varel Europe S.A.S. Curved nozzle for drill bits
USD775676S1 (en) * 2015-07-13 2017-01-03 Edward Matti Button drill bit
CN106050148A (zh) * 2016-07-29 2016-10-26 成都保瑞特钻头有限公司 一种具有稳定功能的新型pdc钻头
CN108625790A (zh) * 2018-07-06 2018-10-09 立府精密机械有限公司 一种高强度耐磨钻头
US20220074270A1 (en) * 2019-03-07 2022-03-10 Halliburton Energy Services, Inc. Shaped cutter arrangements

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039632C2 (de) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehborhmeißel für Tiefbohrungen
DE3113109C2 (de) * 1981-04-01 1983-11-17 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel für Tiefbohrungen
US4991670A (en) * 1984-07-19 1991-02-12 Reed Tool Company, Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
GB2218131B (en) * 1988-05-06 1992-03-25 Reed Tool Co Improvements in or relating to rotary drill bits
US4981184A (en) * 1988-11-21 1991-01-01 Smith International, Inc. Diamond drag bit for soft formations
GB2252574B (en) * 1991-02-01 1995-01-18 Reed Tool Co Rotary drill bits and methods of designing such drill bits
US5090492A (en) * 1991-02-12 1992-02-25 Dresser Industries, Inc. Drill bit with vibration stabilizers
US5244039A (en) * 1991-10-31 1993-09-14 Camco Drilling Group Ltd. Rotary drill bits
US5265685A (en) * 1991-12-30 1993-11-30 Dresser Industries, Inc. Drill bit with improved insert cutter pattern
US5238075A (en) * 1992-06-19 1993-08-24 Dresser Industries, Inc. Drill bit with improved cutter sizing pattern
GB2277760B (en) * 1993-05-08 1996-05-29 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5443565A (en) * 1994-07-11 1995-08-22 Strange, Jr.; William S. Drill bit with forward sweep cutting elements
US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure

Also Published As

Publication number Publication date
DE69520133T2 (de) 2001-08-02
EP0710765A2 (de) 1996-05-08
EP0710765A3 (de) 1996-12-27
GB9421924D0 (en) 1994-12-21
US5651421A (en) 1997-07-29
EP0710765B1 (de) 2001-02-21

Similar Documents

Publication Publication Date Title
DE69520133T2 (de) Verbesserungen an Drehbohrmeissel
DE69712996T2 (de) Verbesserungen an Drehbohrmeisseln
DE69319862D1 (de) Verbesserungen an Drehbohrmeisseln
DE69007434D1 (de) Verbesserungen an Drehbohrmeisseln.
DE69531277D1 (de) Drehbohrmeissel
NO992906D0 (no) Borkrone
DE69633693D1 (de) Drehbohrinstrument
DE69614974D1 (de) Drehbohrhammer
DE69832318D1 (de) Drehbohrmeissel mit Düsen
DE59610671D1 (de) Drehschlag-Wendelbohrer
DE69531431D1 (de) Drehbohrmeissel
DE59601040D1 (de) Drehschlag-Wendelbohrer
DK0753034T3 (da) Boremudder
DE59707375D1 (de) Gesteinsbohrer
FI944291A0 (fi) Poratanko
DK199900345U3 (da) Borebit
DE69528864D1 (de) Verbesserungen an Rollenbohrmeisseln
FI98400B (fi) Poralaite
DE59610747D1 (de) Drehschlag-Wendelbohrer
DE69915009D1 (de) Drehbohr-Fräsmeissel
ATE188535T1 (de) Bohrkrone
AT265U3 (de) Bohrkrone
NO20000938L (no) Borkrone
KR950033541U (ko) 암반 굴착용 비트
ATE185399T1 (de) Bohrmeissel

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee