EP1227214A3 - Cutting structure for drill bit - Google Patents

Cutting structure for drill bit Download PDF

Info

Publication number
EP1227214A3
EP1227214A3 EP01307913A EP01307913A EP1227214A3 EP 1227214 A3 EP1227214 A3 EP 1227214A3 EP 01307913 A EP01307913 A EP 01307913A EP 01307913 A EP01307913 A EP 01307913A EP 1227214 A3 EP1227214 A3 EP 1227214A3
Authority
EP
European Patent Office
Prior art keywords
gauge
face
drill bit
borehole
cutter
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.)
Granted
Application number
EP01307913A
Other languages
German (de)
French (fr)
Other versions
EP1227214B1 (en
EP1227214A2 (en
Inventor
Steven Barton
Dean Travers Watson
Andrew 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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK 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
Priority claimed from GBGB0102160.9A external-priority patent/GB0102160D0/en
Application filed by Camco International UK Ltd filed Critical Camco International UK Ltd
Publication of EP1227214A2 publication Critical patent/EP1227214A2/en
Publication of EP1227214A3 publication Critical patent/EP1227214A3/en
Application granted granted Critical
Publication of EP1227214B1 publication Critical patent/EP1227214B1/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
    • E21B10/42—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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor

Abstract

A drill bit for drilling a borehole having a bit body with an axis of rotation, a leading face, and a plurality of blades upstanding from the leading face. At least one of the blades terminates in a gauge pad having a gauge surface arranged, in use, to face a wall of the borehole. The gauge surface being devoid of cutting elements and terminating at an end remote from the blade at a junction with a gauge pad end wall. The gauge pad carries a cutter having a face and a cutting edge located radially inward of the gauge surface, and the junction of the gauge surface and the gauge pad end wall crosses, radially, between the face of the cutter and the wall of the borehole. The gauge surface may be a substantially continuous surface, and may have at least one additional cutter located angularly between two adjacent blades of the drill bit.
EP20010307913 2001-01-27 2001-09-18 Cutting structure for drill bit Expired - Lifetime EP1227214B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0102160 2001-01-27
GBGB0102160.9A GB0102160D0 (en) 2001-01-27 2001-01-27 Cutting structure for earth boring drill bits
GB0117852A GB2371573B (en) 2001-01-27 2001-07-23 Cutting structure for earth boring drill bits
GB0117852 2001-07-23

Publications (3)

Publication Number Publication Date
EP1227214A2 EP1227214A2 (en) 2002-07-31
EP1227214A3 true EP1227214A3 (en) 2003-03-19
EP1227214B1 EP1227214B1 (en) 2004-06-30

Family

ID=26245625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010307913 Expired - Lifetime EP1227214B1 (en) 2001-01-27 2001-09-18 Cutting structure for drill bit

Country Status (2)

Country Link
EP (1) EP1227214B1 (en)
DE (1) DE60104082T2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8534380B2 (en) 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US8720604B2 (en) 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
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
US8763726B2 (en) 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US8899352B2 (en) 2007-08-15 2014-12-02 Schlumberger Technology Corporation System and method for drilling

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0515394D0 (en) * 2005-07-27 2005-08-31 Schlumberger Holdings Steerable drilling system
US8066085B2 (en) 2007-08-15 2011-11-29 Schlumberger Technology Corporation Stochastic bit noise control
WO2009022115A1 (en) * 2007-08-15 2009-02-19 Schlumberger Technology B.V. System and method for controlling a drilling system for drilling a borehole in an earth formation
US7845430B2 (en) 2007-08-15 2010-12-07 Schlumberger Technology Corporation Compliantly coupled cutting 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
WO2015094221A1 (en) * 2013-12-18 2015-06-25 Halliburton Energy Services, Inc. Cutting structure design with secondary cutter methodology
CN116241187B (en) * 2023-05-12 2023-07-07 北京欧钻科技有限公司 Square hole drill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941538A (en) * 1989-09-20 1990-07-17 Hughes Tool Company One-piece drill bit with improved gage design
EP0872625A2 (en) * 1997-04-16 1998-10-21 Camco International (UK) Limited Rotary drill bits with nozzles
US6092613A (en) * 1995-10-10 2000-07-25 Camco International (Uk) Limited Rotary drill bits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265682A (en) 1991-06-25 1993-11-30 Camco Drilling Group Limited Steerable rotary drilling systems
GB9411228D0 (en) 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
GB9503830D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
GB9503829D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvememnts in or relating to steerable rotary drilling systems"
GB9521972D0 (en) 1995-10-26 1996-01-03 Camco Drilling Group Ltd A drilling assembly for drilling holes in subsurface formations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941538A (en) * 1989-09-20 1990-07-17 Hughes Tool Company One-piece drill bit with improved gage design
US6092613A (en) * 1995-10-10 2000-07-25 Camco International (Uk) Limited Rotary drill bits
EP0872625A2 (en) * 1997-04-16 1998-10-21 Camco International (UK) Limited Rotary drill bits with nozzles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8534380B2 (en) 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US8720604B2 (en) 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
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
US8763726B2 (en) 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US8899352B2 (en) 2007-08-15 2014-12-02 Schlumberger Technology Corporation System and method for drilling

Also Published As

Publication number Publication date
DE60104082T2 (en) 2005-07-28
EP1227214B1 (en) 2004-06-30
DE60104082D1 (en) 2004-08-05
EP1227214A2 (en) 2002-07-31

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