SE8701239D0 - Rotary drill bit - Google Patents
Rotary drill bitInfo
- Publication number
- SE8701239D0 SE8701239D0 SE8701239A SE8701239A SE8701239D0 SE 8701239 D0 SE8701239 D0 SE 8701239D0 SE 8701239 A SE8701239 A SE 8701239A SE 8701239 A SE8701239 A SE 8701239A SE 8701239 D0 SE8701239 D0 SE 8701239D0
- Authority
- SE
- Sweden
- Prior art keywords
- bit
- rotary drill
- drill bit
- layer
- wear
- Prior art date
Links
- 239000010432 diamond Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/02—Wear indicators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/005—Below-ground automatic control systems
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Earth Drilling (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8607700A GB2188354B (en) | 1986-03-27 | 1986-03-27 | Rotary drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8701239D0 true SE8701239D0 (sv) | 1987-03-25 |
SE8701239L SE8701239L (sv) | 1987-09-28 |
Family
ID=10595371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8701239A SE8701239L (sv) | 1986-03-27 | 1987-03-25 | Roterande borrsker |
Country Status (5)
Country | Link |
---|---|
US (1) | US4926950A (sv) |
BE (1) | BE1000489A3 (sv) |
CA (1) | CA1318910C (sv) |
GB (1) | GB2188354B (sv) |
SE (1) | SE8701239L (sv) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4858707A (en) * | 1988-07-19 | 1989-08-22 | Smith International, Inc. | Convex shaped diamond cutting elements |
US4981184A (en) * | 1988-11-21 | 1991-01-01 | Smith International, Inc. | Diamond drag bit for soft formations |
GB2240797B (en) * | 1990-02-09 | 1994-03-09 | Reed Tool Co | Improvements in cutting elements for rotary drill bits |
GB9015433D0 (en) * | 1990-07-13 | 1990-08-29 | Anadrill Int Sa | Method of determining the drilling conditions associated with the drilling of a formation with a drag bit |
EP0536762B1 (en) * | 1991-10-09 | 1997-09-03 | Smith International, Inc. | Diamond cutter insert with a convex cutting surface |
GB9204902D0 (en) * | 1992-03-06 | 1992-04-22 | Schlumberger Ltd | Formation evalution tool |
US5460233A (en) * | 1993-03-30 | 1995-10-24 | Baker Hughes Incorporated | Diamond cutting structure for drilling hard subterranean formations |
US5383527A (en) * | 1993-09-15 | 1995-01-24 | Smith International, Inc. | Asymmetrical PDC cutter |
US5636700A (en) | 1995-01-03 | 1997-06-10 | Dresser Industries, Inc. | Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction |
GB9505922D0 (en) * | 1995-03-23 | 1995-05-10 | Camco Drilling Group Ltd | Improvements in or relating to cutters for rotary drill bits |
US5709278A (en) | 1996-01-22 | 1998-01-20 | Dresser Industries, Inc. | Rotary cone drill bit with contoured inserts and compacts |
US5706906A (en) | 1996-02-15 | 1998-01-13 | Baker Hughes Incorporated | Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped |
US5924501A (en) * | 1996-02-15 | 1999-07-20 | Baker Hughes Incorporated | Predominantly diamond cutting structures for earth boring |
US5722497A (en) | 1996-03-21 | 1998-03-03 | Dresser Industries, Inc. | Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces |
US6612382B2 (en) * | 1996-03-25 | 2003-09-02 | Halliburton Energy Services, Inc. | Iterative drilling simulation process for enhanced economic decision making |
US7032689B2 (en) * | 1996-03-25 | 2006-04-25 | Halliburton Energy Services, Inc. | Method and system for predicting performance of a drilling system of a given formation |
US5794720A (en) | 1996-03-25 | 1998-08-18 | Dresser Industries, Inc. | Method of assaying downhole occurrences and conditions |
GB2314360B (en) * | 1996-06-18 | 2000-09-13 | Smith International | Cutter assembly for rock bits with back support groove |
US5881830A (en) * | 1997-02-14 | 1999-03-16 | Baker Hughes Incorporated | Superabrasive drill bit cutting element with buttress-supported planar chamfer |
US7000715B2 (en) | 1997-09-08 | 2006-02-21 | Baker Hughes Incorporated | Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life |
US5960896A (en) * | 1997-09-08 | 1999-10-05 | Baker Hughes Incorporated | Rotary drill bits employing optimal cutter placement based on chamfer geometry |
US6230828B1 (en) | 1997-09-08 | 2001-05-15 | Baker Hughes Incorporated | Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics |
US6672406B2 (en) | 1997-09-08 | 2004-01-06 | Baker Hughes Incorporated | Multi-aggressiveness cuttting face on PDC cutters and method of drilling subterranean formations |
US6202771B1 (en) * | 1997-09-23 | 2001-03-20 | Baker Hughes Incorporated | Cutting element with controlled superabrasive contact area, drill bits so equipped |
DE19810511B4 (de) * | 1998-03-11 | 2006-12-28 | Scintilla Ag | Werkzeug mit einer Mehrzahl von Schneidsegmenten zur Bearbeitung von Gestein, Mauerwerk oder Beton |
GB9811705D0 (en) * | 1998-06-02 | 1998-07-29 | Camco Int Uk Ltd | Preform cutting elements for rotary drill bits |
US6167833B1 (en) | 1998-10-30 | 2001-01-02 | Camco International Inc. | Wear indicator for rotary drilling tools |
US6631772B2 (en) | 2000-08-21 | 2003-10-14 | Halliburton Energy Services, Inc. | Roller bit rearing wear detection system and method |
US6634441B2 (en) | 2000-08-21 | 2003-10-21 | Halliburton Energy Services, Inc. | System and method for detecting roller bit bearing wear through cessation of roller element rotation |
US6648082B2 (en) | 2000-11-07 | 2003-11-18 | Halliburton Energy Services, Inc. | Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator |
US7357197B2 (en) | 2000-11-07 | 2008-04-15 | Halliburton Energy Services, Inc. | Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface |
US6722450B2 (en) | 2000-11-07 | 2004-04-20 | Halliburton Energy Svcs. Inc. | Adaptive filter prediction method and system for detecting drill bit failure and signaling surface operator |
US6817425B2 (en) | 2000-11-07 | 2004-11-16 | Halliburton Energy Serv Inc | Mean strain ratio analysis method and system for detecting drill bit failure and signaling surface operator |
US6712160B1 (en) | 2000-11-07 | 2004-03-30 | Halliburton Energy Services Inc. | Leadless sub assembly for downhole detection system |
US20050133276A1 (en) * | 2003-12-17 | 2005-06-23 | Azar Michael G. | Bits and cutting structures |
GB2413403B (en) | 2004-04-19 | 2008-01-09 | Halliburton Energy Serv Inc | Field synthesis system and method for optimizing drilling operations |
US20060099885A1 (en) * | 2004-05-13 | 2006-05-11 | Baker Hughes Incorporated | Wear indication apparatus and method |
US7489856B2 (en) * | 2004-06-25 | 2009-02-10 | Nokia Corporation | Electrical device for automatically adjusting operating speed of a tool |
GB2468251B (en) * | 2007-11-30 | 2012-08-15 | Halliburton Energy Serv Inc | Method and system for predicting performance of a drilling system having multiple cutting structures |
US8534391B2 (en) * | 2008-04-21 | 2013-09-17 | Baker Hughes Incorporated | Cutting elements and earth-boring tools having grading features |
US7770664B2 (en) * | 2008-05-29 | 2010-08-10 | Smith International, Inc. | Wear indicators for expandable earth boring apparatus |
EP2331904B1 (en) * | 2008-10-03 | 2018-04-18 | Halliburton Energy Services, Inc. | Method and system for predicting performance of a drilling system |
US8006781B2 (en) * | 2008-12-04 | 2011-08-30 | Baker Hughes Incorporated | Method of monitoring wear of rock bit cutters |
EP2756153A4 (en) * | 2011-09-16 | 2015-08-05 | Baker Hughes Inc | METHOD FOR FIXING A POLYCRYSTALLINE DIAMOND PRESSURE ON A SUBSTRATE AND CUTTING ELEMENTS MOLDED IN THIS METHOD |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1463137A (en) * | 1974-04-24 | 1977-02-02 | Coal Ind | Rock cutting tip inserts application |
SU641059A1 (ru) * | 1976-04-16 | 1979-01-05 | Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Украинской Сср | Лопастное долото |
US4109737A (en) * | 1976-06-24 | 1978-08-29 | General Electric Company | Rotary drill bit |
US4098362A (en) * | 1976-11-30 | 1978-07-04 | General Electric Company | Rotary drill bit and method for making same |
US4244432A (en) * | 1978-06-08 | 1981-01-13 | Christensen, Inc. | Earth-boring drill bits |
US4373593A (en) * | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
US4259090A (en) * | 1979-11-19 | 1981-03-31 | General Electric Company | Method of making diamond compacts for rock drilling |
DE3111156C1 (de) * | 1981-03-21 | 1983-04-14 | Christensen, Inc., 84115 Salt Lake City, Utah | Schneidglied fuer Drehbohrmeissel zum Tiefbohren in Erdformationen |
US4558753A (en) * | 1983-02-22 | 1985-12-17 | Nl Industries, Inc. | Drag bit and cutters |
AU2568884A (en) * | 1983-03-21 | 1984-09-27 | Norton Christensen Inc. | Teeth for drill bit |
US4554986A (en) * | 1983-07-05 | 1985-11-26 | Reed Rock Bit Company | Rotary drill bit having drag cutting elements |
AU578637B2 (en) * | 1983-12-03 | 1988-11-03 | N.L. Petroleum Products Ltd. | Rotary drill bits and cutting elements for such bits |
US4624830A (en) * | 1983-12-03 | 1986-11-25 | Nl Petroleum Products, Limited | Manufacture of rotary drill bits |
GB8405267D0 (en) * | 1984-02-29 | 1984-04-04 | Shell Int Research | Rotary drill bit |
CA1248939A (en) * | 1984-03-16 | 1989-01-17 | Alexander K. Meskin | Exposed polycrystalline diamond mounted in a matrix body drill bit |
GB8411361D0 (en) * | 1984-05-03 | 1984-06-06 | Schlumberger Cambridge Researc | Assessment of drilling conditions |
GB8416708D0 (en) * | 1984-06-30 | 1984-08-01 | Prad Res & Dev Nv | Drilling motor |
US4646857A (en) * | 1985-10-24 | 1987-03-03 | Reed Tool Company | Means to secure cutting elements on drag type drill bits |
-
1986
- 1986-03-27 GB GB8607700A patent/GB2188354B/en not_active Expired
-
1987
- 1987-03-17 CA CA000532212A patent/CA1318910C/en not_active Expired - Fee Related
- 1987-03-25 BE BE8700307A patent/BE1000489A3/fr not_active IP Right Cessation
- 1987-03-25 SE SE8701239A patent/SE8701239L/sv not_active Application Discontinuation
-
1988
- 1988-12-20 US US07/287,640 patent/US4926950A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1318910C (en) | 1993-06-08 |
US4926950A (en) | 1990-05-22 |
SE8701239L (sv) | 1987-09-28 |
GB8607700D0 (en) | 1986-04-30 |
GB2188354B (en) | 1989-11-22 |
BE1000489A3 (fr) | 1988-12-27 |
GB2188354A (en) | 1987-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8701239-9 Effective date: 19941001 Format of ref document f/p: F |