WO2010048116A3 - Self sharpening steel tooth cutting structure - Google Patents
Self sharpening steel tooth cutting structure Download PDFInfo
- Publication number
- WO2010048116A3 WO2010048116A3 PCT/US2009/061235 US2009061235W WO2010048116A3 WO 2010048116 A3 WO2010048116 A3 WO 2010048116A3 US 2009061235 W US2009061235 W US 2009061235W WO 2010048116 A3 WO2010048116 A3 WO 2010048116A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting structure
- tooth cutting
- hardfacing
- steel tooth
- sharpening steel
- Prior art date
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
-
- 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
- E21B10/006—Drill bits providing a cutting edge which is self-renewable during drilling
-
- 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
Abstract
An earth boring drill bit comprising a milled cutter having rows of teeth hardfacing guides on the cutter. Hardfacing is applied between adjacent teeth hardfacing guides to form a cutting element. The hardfacing may include an annular body with ridges that outwardly project from the body.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/255,479 US7866417B2 (en) | 2008-09-26 | 2008-10-21 | Self sharpening steel tooth cutting structure |
US12/255,479 | 2008-10-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010048116A2 WO2010048116A2 (en) | 2010-04-29 |
WO2010048116A3 true WO2010048116A3 (en) | 2010-07-22 |
Family
ID=42119922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/061235 WO2010048116A2 (en) | 2008-10-21 | 2009-10-20 | Self sharpening steel tooth cutting structure |
Country Status (2)
Country | Link |
---|---|
US (1) | US7866417B2 (en) |
WO (1) | WO2010048116A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7980333B2 (en) * | 2008-09-26 | 2011-07-19 | Baker Hughes Incorporated | Bar trimmers on disk bit |
US7878274B2 (en) * | 2008-09-26 | 2011-02-01 | Baker Hughes Incorporated | Steel tooth disk with hardfacing |
US20100175926A1 (en) * | 2009-01-15 | 2010-07-15 | Baker Hughes Incorporated | Roller cones having non-integral cutting structures, drill bits including such cones, and methods of forming same |
CN105156036B (en) | 2015-08-27 | 2018-01-05 | 中国石油天然气集团公司 | Convex ridge type on-plane surface cutting tooth and diamond bit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6138779A (en) * | 1998-01-16 | 2000-10-31 | Dresser Industries, Inc. | Hardfacing having coated ceramic particles or coated particles of other hard materials placed on a rotary cone cutter |
US6564884B2 (en) * | 2000-07-25 | 2003-05-20 | Halliburton Energy Services, Inc. | Wear protection on a rock bit |
US7240746B2 (en) * | 2004-09-23 | 2007-07-10 | Baker Hughes Incorporated | Bit gage hardfacing |
US7343990B2 (en) * | 2006-06-08 | 2008-03-18 | Baker Hughes Incorporated | Rotary rock bit with hardfacing to reduce cone erosion |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527838A (en) * | 1946-08-01 | 1950-10-31 | Hughes Tool Co | Bit and cutter therefor |
US2939684A (en) * | 1957-03-22 | 1960-06-07 | Hughes Tool Co | Cutter for well drills |
US4752916A (en) | 1984-08-28 | 1988-06-21 | Dan Loewenthal | Method and system for removing the effect of the source wavelet from seismic data |
US5351769A (en) | 1993-06-14 | 1994-10-04 | Baker Hughes Incorporated | Earth-boring bit having an improved hard-faced tooth structure |
US5445231A (en) | 1994-07-25 | 1995-08-29 | Baker Hughes Incorporated | Earth-burning bit having an improved hard-faced tooth structure |
US5586082A (en) | 1995-03-02 | 1996-12-17 | The Trustees Of Columbia University In The City Of New York | Method for identifying subsurface fluid migration and drainage pathways in and among oil and gas reservoirs using 3-D and 4-D seismic imaging |
US5899958A (en) | 1995-09-11 | 1999-05-04 | Halliburton Energy Services, Inc. | Logging while drilling borehole imaging and dipmeter device |
US5852262A (en) | 1995-09-28 | 1998-12-22 | Magnetic Pulse, Inc. | Acoustic formation logging tool with improved transmitter |
US6374704B1 (en) | 1996-04-26 | 2002-04-23 | Baker Hughes Incorporated | Steel-tooth bit with improved toughness |
US5995447A (en) | 1997-05-14 | 1999-11-30 | Gas Research Institute | System and method for processing acoustic signals to image behind reflective layers |
US6944094B1 (en) | 1997-06-20 | 2005-09-13 | Bp Corporation North America Inc. | High resolution determination of seismic polar anisotropy |
US6206115B1 (en) | 1998-08-21 | 2001-03-27 | Baker Hughes Incorporated | Steel tooth bit with extra-thick hardfacing |
US6782958B2 (en) | 2002-03-28 | 2004-08-31 | Smith International, Inc. | Hardfacing for milled tooth drill bits |
US6766870B2 (en) | 2002-08-21 | 2004-07-27 | Baker Hughes Incorporated | Mechanically shaped hardfacing cutting/wear structures |
DE60234040D1 (en) | 2002-12-13 | 2009-11-26 | Schlumberger Holdings | Method and apparatus for improved depth adjustment of wellbore images or sample images |
US7035165B2 (en) | 2003-01-29 | 2006-04-25 | Baker Hughes Incorporated | Imaging near-borehole structure using directional acoustic-wave measurement |
US7492664B2 (en) | 2005-10-31 | 2009-02-17 | Baker Hughes Incorporated | Method for processing acoustic reflections in array data to image near-borehole geological structure |
-
2008
- 2008-10-21 US US12/255,479 patent/US7866417B2/en active Active
-
2009
- 2009-10-20 WO PCT/US2009/061235 patent/WO2010048116A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6138779A (en) * | 1998-01-16 | 2000-10-31 | Dresser Industries, Inc. | Hardfacing having coated ceramic particles or coated particles of other hard materials placed on a rotary cone cutter |
US6564884B2 (en) * | 2000-07-25 | 2003-05-20 | Halliburton Energy Services, Inc. | Wear protection on a rock bit |
US7240746B2 (en) * | 2004-09-23 | 2007-07-10 | Baker Hughes Incorporated | Bit gage hardfacing |
US7343990B2 (en) * | 2006-06-08 | 2008-03-18 | Baker Hughes Incorporated | Rotary rock bit with hardfacing to reduce cone erosion |
Also Published As
Publication number | Publication date |
---|---|
US7866417B2 (en) | 2011-01-11 |
US20100078226A1 (en) | 2010-04-01 |
WO2010048116A2 (en) | 2010-04-29 |
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