DE69313939D1 - Bohrmeissel mit verbessertem Schneidenmassschema - Google Patents

Bohrmeissel mit verbessertem Schneidenmassschema

Info

Publication number
DE69313939D1
DE69313939D1 DE69313939T DE69313939T DE69313939D1 DE 69313939 D1 DE69313939 D1 DE 69313939D1 DE 69313939 T DE69313939 T DE 69313939T DE 69313939 T DE69313939 T DE 69313939T DE 69313939 D1 DE69313939 D1 DE 69313939D1
Authority
DE
Germany
Prior art keywords
drill bits
improved cutting
cutting dimension
dimension scheme
scheme
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
DE69313939T
Other languages
English (en)
Other versions
DE69313939T2 (de
Inventor
Carl Wayne Keith
Robert Iverson Clayton
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of DE69313939D1 publication Critical patent/DE69313939D1/de
Application granted granted Critical
Publication of DE69313939T2 publication Critical patent/DE69313939T2/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
DE69313939T 1992-06-19 1993-06-18 Bohrmeissel mit verbessertem Schneidenmassschema Expired - Fee Related DE69313939T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/901,322 US5238075A (en) 1992-06-19 1992-06-19 Drill bit with improved cutter sizing pattern

Publications (2)

Publication Number Publication Date
DE69313939D1 true DE69313939D1 (de) 1997-10-23
DE69313939T2 DE69313939T2 (de) 1998-01-22

Family

ID=25413939

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69313939T Expired - Fee Related DE69313939T2 (de) 1992-06-19 1993-06-18 Bohrmeissel mit verbessertem Schneidenmassschema

Country Status (5)

Country Link
US (1) US5238075A (de)
EP (1) EP0575198B1 (de)
CN (1) CN1102685A (de)
DE (1) DE69313939T2 (de)
NO (1) NO932261L (de)

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US5265685A (en) * 1991-12-30 1993-11-30 Dresser Industries, Inc. Drill bit with improved insert cutter pattern
US5558170A (en) * 1992-12-23 1996-09-24 Baroid Technology, Inc. Method and apparatus for improving drill bit stability
GB9314954D0 (en) * 1993-07-16 1993-09-01 Camco Drilling Group Ltd Improvements in or relating to torary drill bits
US5595252A (en) * 1994-07-28 1997-01-21 Flowdril Corporation Fixed-cutter drill bit assembly and method
US5582261A (en) * 1994-08-10 1996-12-10 Smith International, Inc. Drill bit having enhanced cutting structure and stabilizing features
US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure
US5592996A (en) * 1994-10-03 1997-01-14 Smith International, Inc. Drill bit having improved cutting structure with varying diamond density
US5551522A (en) * 1994-10-12 1996-09-03 Smith International, Inc. Drill bit having stability enhancing cutting structure
GB9420839D0 (en) * 1994-10-15 1994-11-30 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
GB9421924D0 (en) * 1994-11-01 1994-12-21 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5607025A (en) * 1995-06-05 1997-03-04 Smith International, Inc. Drill bit and cutting structure having enhanced placement and sizing of cutters for improved bit stabilization
US5803196A (en) * 1996-05-31 1998-09-08 Diamond Products International Stabilizing drill bit
WO1997048876A1 (en) * 1996-06-21 1997-12-24 Smith International, Inc. Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty
GB9717505D0 (en) * 1997-08-20 1997-10-22 Camco Int Uk Ltd Improvements in or relating to cutting structures for rotary drill bits
US5735360A (en) * 1996-11-12 1998-04-07 Engstrom; Robert W. Mining bit
US5937958A (en) * 1997-02-19 1999-08-17 Smith International, Inc. Drill bits with predictable walk tendencies
GB9712342D0 (en) * 1997-06-14 1997-08-13 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
GB2339810B (en) * 1998-07-14 2002-05-22 Camco Internat A method of determining characteristics of a rotary drag-type drill bit
US7726415B1 (en) 2005-04-07 2010-06-01 Ots International, Inc. Fixed cutter drill bit
GB0521693D0 (en) * 2005-10-25 2005-11-30 Reedhycalog Uk Ltd Representation of whirl in fixed cutter drill bits
US20070106487A1 (en) * 2005-11-08 2007-05-10 David Gavia Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability
US7677333B2 (en) * 2006-04-18 2010-03-16 Varel International Ind., L.P. Drill bit with multiple cutter geometries
US20070261890A1 (en) * 2006-05-10 2007-11-15 Smith International, Inc. Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements
CA2605196C (en) * 2006-10-02 2011-01-04 Smith International, Inc. Drag bits with dropping tendencies and methods for making the same
US7896106B2 (en) 2006-12-07 2011-03-01 Baker Hughes Incorporated Rotary drag bits having a pilot cutter configuraton and method to pre-fracture subterranean formations therewith
WO2008091654A2 (en) * 2007-01-25 2008-07-31 Baker Hughes Incorporated Rotary drag bit
USD678368S1 (en) 2007-02-12 2013-03-19 David R. Hall Drill bit with a pointed cutting element
USD674422S1 (en) 2007-02-12 2013-01-15 Hall David R Drill bit with a pointed cutting element and a shearing cutting element
US8839888B2 (en) 2010-04-23 2014-09-23 Schlumberger Technology Corporation Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements
US7703557B2 (en) * 2007-06-11 2010-04-27 Smith International, Inc. Fixed cutter bit with backup cutter elements on primary blades
EP2220330B1 (de) * 2007-10-29 2012-09-12 Baker Hughes Incorporated Bohrmeissel und werkzeuge für unterirdisches bohren
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
US8100202B2 (en) * 2008-04-01 2012-01-24 Smith International, Inc. Fixed cutter bit with backup cutter elements on secondary blades
US20100175929A1 (en) * 2009-01-09 2010-07-15 Baker Hughes Incorporated Cutter profile helping in stability and steerability
US9644428B2 (en) * 2009-01-09 2017-05-09 Baker Hughes Incorporated Drill bit with a hybrid cutter profile
EP2499323A1 (de) * 2009-02-27 2012-09-19 Newtech Drilling Products, LLC. Bohrkrone für erdbohrungen
AU2010232431B2 (en) * 2009-04-02 2015-08-27 Epiroc Drilling Tools Llc Drill bit for earth boring
US8079430B2 (en) * 2009-04-22 2011-12-20 Baker Hughes Incorporated Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling
WO2011038383A2 (en) * 2009-09-28 2011-03-31 Bake Hughes Incorporated Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools
WO2011057303A2 (en) * 2009-11-09 2011-05-12 Newtech Drilling Products, Llc. Drill bit with recessed center
CA2817693C (en) * 2010-11-10 2016-08-30 Halliburton Energy Services, Inc. System and method of configuring drilling tools utilizing a critical depth of cut control curve
US9133667B2 (en) 2011-04-25 2015-09-15 Atlas Copco Secoroc Llc Drill bit for boring earth and other hard materials
US9038752B2 (en) 2011-09-23 2015-05-26 Ulterra Drilling Tehcnologies, L.P. Rotary drag bit
GB2528454A (en) * 2014-07-21 2016-01-27 Schlumberger Holdings Reamer
GB2528458A (en) * 2014-07-21 2016-01-27 Schlumberger Holdings Reamer
GB2528457B (en) * 2014-07-21 2018-10-10 Schlumberger Holdings Reamer
WO2017105805A1 (en) * 2015-12-18 2017-06-22 Smith International, Inc. Placement of non-planar cutting elements
US11091960B2 (en) 2015-12-18 2021-08-17 Schlumberger Technology Corporation Placement of non-planar cutting elements
US10344537B2 (en) * 2016-07-28 2019-07-09 Baker Hughes Incorporated Earth-boring tools, methods of forming earth-boring tools, and methods of forming a borehole in a subterranean formation
CN106437525B (zh) * 2016-08-02 2019-11-05 西南石油大学 一种适用于难钻地层的复合钻头
CN106089088B (zh) * 2016-08-02 2018-10-09 西南石油大学 一种适用于难钻地层的长寿命钻头

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Publication number Priority date Publication date Assignee Title
GB1344921A (en) * 1971-04-23 1974-01-23 Shell Int Research Diamond bit
US4420050A (en) * 1979-07-30 1983-12-13 Reed Rock Bit Company Oil well drilling bit
US4429755A (en) * 1981-02-25 1984-02-07 Williamson Kirk E Drill with polycrystalline diamond drill blanks for soft, medium-hard and hard formations
CA1217475A (en) * 1982-09-16 1987-02-03 John D. Barr Rotary drill bits
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
US5028177A (en) * 1984-03-26 1991-07-02 Eastman Christensen Company Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks
US4602691A (en) * 1984-06-07 1986-07-29 Hughes Tool Company Diamond drill bit with varied cutting elements
US4889017A (en) * 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US4913244A (en) * 1986-09-11 1990-04-03 Eastman Christensen Company Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter
US4940099A (en) * 1989-04-05 1990-07-10 Reed Tool Company Cutting elements for roller cutter drill bits
US4932484A (en) * 1989-04-10 1990-06-12 Amoco Corporation Whirl resistant bit
US5033560A (en) * 1990-07-24 1991-07-23 Dresser Industries, Inc. Drill bit with decreasing diameter cutters
GB2252574B (en) * 1991-02-01 1995-01-18 Reed Tool Co Rotary drill bits and methods of designing such drill bits

Also Published As

Publication number Publication date
EP0575198B1 (de) 1997-09-17
NO932261D0 (no) 1993-06-18
CN1102685A (zh) 1995-05-17
EP0575198A1 (de) 1993-12-22
DE69313939T2 (de) 1998-01-22
US5238075A (en) 1993-08-24
NO932261L (no) 1993-12-20

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Legal Events

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