WO2011046744A3 - Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit - Google Patents

Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit Download PDF

Info

Publication number
WO2011046744A3
WO2011046744A3 PCT/US2010/050631 US2010050631W WO2011046744A3 WO 2011046744 A3 WO2011046744 A3 WO 2011046744A3 US 2010050631 W US2010050631 W US 2010050631W WO 2011046744 A3 WO2011046744 A3 WO 2011046744A3
Authority
WO
WIPO (PCT)
Prior art keywords
fixed
bit
hybrid
cutting elements
blade cutting
Prior art date
Application number
PCT/US2010/050631
Other languages
French (fr)
Other versions
WO2011046744A2 (en
Inventor
Bruce Stauffer
Original Assignee
Baker Hughes Incorporated
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 Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Publication of WO2011046744A2 publication Critical patent/WO2011046744A2/en
Publication of WO2011046744A3 publication Critical patent/WO2011046744A3/en

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
    • E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type

Abstract

An earth boring drill bit 811) comprising : a bit body (13); a plurality of fixed blades (19) extending downwardly from the bit body, each blade having a leading edge; a plurality of fixed-blade cutting elements (31) arranged on the leading edge of the fixed blades; at least one rolling cutter (21) mounted for rotation on the bit body; and wherein the rolling cutter is configured to act as a depth-of-cut limiter, thereby reducing the risk of damage to the fixed-blade cutting elements. The fixed-blade cutting elements may include thermally stable polycrystalline diamond wafers mounted on tungsten carbide substrates and/or a mosaic of geometrically- shaped thermally stable diamond elements cooperatively arranged and bonded to form a unitary cutting surface. The rolling cutter may be positioned, relative to the fixed blades, to also limit rate of penetration and/or exposure of the fixed-blade cutting elements.
PCT/US2010/050631 2009-10-13 2010-09-29 Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit WO2011046744A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/578,278 US20100025119A1 (en) 2007-04-05 2009-10-13 Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit
US12/578,278 2009-10-13

Publications (2)

Publication Number Publication Date
WO2011046744A2 WO2011046744A2 (en) 2011-04-21
WO2011046744A3 true WO2011046744A3 (en) 2011-08-11

Family

ID=43876794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/050631 WO2011046744A2 (en) 2009-10-13 2010-09-29 Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit

Country Status (2)

Country Link
US (1) US20100025119A1 (en)
WO (1) WO2011046744A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8047307B2 (en) 2008-12-19 2011-11-01 Baker Hughes Incorporated Hybrid drill bit with secondary backup cutters positioned with high side rake angles
US8141664B2 (en) * 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
US10557311B2 (en) 2015-07-17 2020-02-11 Halliburton Energy Services, Inc. Hybrid drill bit with counter-rotation cutters in center
WO2018231240A1 (en) * 2017-06-15 2018-12-20 Halliburton Energy Services, Inc. Optimization of rolling elements on drill bits
GB201913658D0 (en) * 2019-09-23 2019-11-06 Element Six Uk Ltd Cutting Assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006788A (en) * 1975-06-11 1977-02-08 Smith International, Inc. Diamond cutter rock bit with penetration limiting
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US5558170A (en) * 1992-12-23 1996-09-24 Baroid Technology, Inc. Method and apparatus for improving drill bit stability
EP0874128A2 (en) * 1997-04-26 1998-10-28 Camco International (UK) Limited Rotary drill bit having movable formation-engaging members
US20050103533A1 (en) * 2003-11-17 2005-05-19 Sherwood William H.Jr. Cutting element retention apparatus for use in steel body rotary drill bits, steel body rotary drill bits so equipped, and method of manufacture and repair therefor

Also Published As

Publication number Publication date
WO2011046744A2 (en) 2011-04-21
US20100025119A1 (en) 2010-02-04

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