IT1305003B1 - Punte per la perforazione del terreno con caratteristicheperfezionate per la rimozione dei detriti rocciosi prodotti e - Google Patents
Punte per la perforazione del terreno con caratteristicheperfezionate per la rimozione dei detriti rocciosi prodotti eInfo
- Publication number
- IT1305003B1 IT1305003B1 IT1998TO000797A ITTO980797A IT1305003B1 IT 1305003 B1 IT1305003 B1 IT 1305003B1 IT 1998TO000797 A IT1998TO000797 A IT 1998TO000797A IT TO980797 A ITTO980797 A IT TO980797A IT 1305003 B1 IT1305003 B1 IT 1305003B1
- Authority
- IT
- Italy
- Prior art keywords
- drills
- perforation
- soil
- Prior art date
Links
- 239000002689 soil Substances 0.000 title 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- 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
- E21B10/54—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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/934,031 US6125947A (en) | 1997-09-19 | 1997-09-19 | Earth-boring drill bits with enhanced formation cuttings removal features and methods of drilling |
Publications (2)
Publication Number | Publication Date |
---|---|
ITTO980797A1 ITTO980797A1 (it) | 2000-03-18 |
IT1305003B1 true IT1305003B1 (it) | 2001-04-05 |
Family
ID=25464842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1998TO000797A IT1305003B1 (it) | 1997-09-19 | 1998-09-18 | Punte per la perforazione del terreno con caratteristicheperfezionate per la rimozione dei detriti rocciosi prodotti e |
Country Status (4)
Country | Link |
---|---|
US (3) | US6125947A (it) |
BE (1) | BE1012923A5 (it) |
GB (1) | GB2329404B (it) |
IT (1) | IT1305003B1 (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7306397B2 (en) * | 2002-07-22 | 2007-12-11 | Exodyne Technologies, Inc. | Energy attenuating safety system |
GB0130480D0 (en) * | 2001-12-20 | 2002-02-06 | Ncr Int Inc | Self service terminal |
US6834733B1 (en) | 2002-09-04 | 2004-12-28 | Varel International, Ltd. | Spiral wave bladed drag bit |
US20060076163A1 (en) * | 2004-10-12 | 2006-04-13 | Smith International, Inc. | Flow allocation in drill bits |
US20060278442A1 (en) * | 2005-06-13 | 2006-12-14 | Kristensen Henry L | Drill bit |
US20100025121A1 (en) * | 2008-07-30 | 2010-02-04 | Thorsten Schwefe | Earth boring drill bits with using opposed kerfing for cutters |
CA2748660A1 (en) * | 2009-01-14 | 2010-07-22 | Halliburton Energy Services, Inc. | Rotary drill bits with optimized fluid flow characteristics |
US8584777B2 (en) | 2010-06-04 | 2013-11-19 | Dover Bmcs Acquisition Corporation | Rotational drill bits and drilling apparatuses including the same |
US9109412B2 (en) | 2010-06-04 | 2015-08-18 | Dover Bmcs Acquisition Corporation | Rotational drill bits and drilling apparatuses including the same |
US8905162B2 (en) | 2010-08-17 | 2014-12-09 | Trendon Ip Inc. | High efficiency hydraulic drill bit |
US9080400B1 (en) | 2010-11-24 | 2015-07-14 | Dover Bmcs Acquisition Corporation | Rotational drill bits and drilling apparatuses including the same |
CN114278230A (zh) * | 2021-12-30 | 2022-04-05 | 库尔勒施得石油技术服务有限公司 | 一种反循环钻头 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3112803A (en) * | 1962-01-02 | 1963-12-03 | Jersey Prod Res Co | Diamond drill bit |
US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
US4246977A (en) * | 1979-04-09 | 1981-01-27 | Smith International, Inc. | Diamond studded insert drag bit with strategically located hydraulic passages for mud motors |
US4676324A (en) | 1982-11-22 | 1987-06-30 | Nl Industries, Inc. | Drill bit and cutter therefor |
FR2566833B1 (fr) * | 1984-06-27 | 1986-11-14 | Inst Francais Du Petrole | Methode et perfectionnement aux outils de forage comportant des passages d'eau permettant une grande efficacite du nettoyage du front de taille |
US4856601A (en) * | 1986-01-22 | 1989-08-15 | Raney Richard C | Drill bit with flow control means |
US4696354A (en) * | 1986-06-30 | 1987-09-29 | Hughes Tool Company - Usa | Drilling bit with full release void areas |
US4848489A (en) * | 1987-03-26 | 1989-07-18 | Reed Tool Company | Drag drill bit having improved arrangement of cutting elements |
GB8824546D0 (en) * | 1988-10-20 | 1988-11-23 | Shell Int Research | Rotary drill bit for drilling through sticky formations |
US5099929A (en) * | 1990-05-04 | 1992-03-31 | Dresser Industries, Inc. | Unbalanced PDC drill bit with right hand walk tendencies, and method of drilling right hand bore holes |
GB2252574B (en) * | 1991-02-01 | 1995-01-18 | Reed Tool Co | Rotary drill bits and methods of designing such drill bits |
US5244039A (en) * | 1991-10-31 | 1993-09-14 | Camco Drilling Group Ltd. | Rotary drill bits |
US5186268A (en) * | 1991-10-31 | 1993-02-16 | Camco Drilling Group Ltd. | Rotary drill bits |
GB2277760B (en) * | 1993-05-08 | 1996-05-29 | Camco Drilling Group Ltd | Improvements in or relating to rotary drill bits |
US5363932A (en) * | 1993-05-10 | 1994-11-15 | Smith International, Inc. | PDC drag bit with improved hydraulics |
US5443565A (en) * | 1994-07-11 | 1995-08-22 | Strange, Jr.; William S. | Drill bit with forward sweep cutting elements |
US5549171A (en) * | 1994-08-10 | 1996-08-27 | Smith International, Inc. | Drill bit with performance-improving cutting structure |
DE69531431T2 (de) * | 1994-10-15 | 2004-07-01 | Camco Drilling Group Ltd., Stonehouse | Drehbohrmeissel |
GB9421924D0 (en) * | 1994-11-01 | 1994-12-21 | Camco Drilling Group Ltd | Improvements in or relating to rotary drill bits |
GB9509555D0 (en) * | 1995-05-11 | 1995-07-05 | Camco Drilling Group Ltd | Improvements in or relating to rotary drill bits |
GB2300657B (en) * | 1995-05-11 | 1998-09-02 | Camco Drilling Group Ltd | Improvements in or relating to rotary drill bits |
US6089336A (en) * | 1995-10-10 | 2000-07-18 | Camco International (Uk) Limited | Rotary drill bits |
US5794725A (en) * | 1996-04-12 | 1998-08-18 | Baker Hughes Incorporated | Drill bits with enhanced hydraulic flow characteristics |
US6021858A (en) | 1996-06-05 | 2000-02-08 | Smith International, Inc. | Drill bit having trapezium-shaped blades |
US5816346A (en) | 1996-06-06 | 1998-10-06 | Camco International, Inc. | Rotary drill bits and methods of designing such drill bits |
US5937958A (en) | 1997-02-19 | 1999-08-17 | Smith International, Inc. | Drill bits with predictable walk tendencies |
GB9708022D0 (en) * | 1997-04-21 | 1997-06-11 | Camco Int Uk Ltd | Curved blades and gauge |
US6006845A (en) * | 1997-09-08 | 1999-12-28 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capability |
-
1997
- 1997-09-19 US US08/934,031 patent/US6125947A/en not_active Expired - Lifetime
-
1998
- 1998-09-03 GB GB9819095A patent/GB2329404B/en not_active Expired - Fee Related
- 1998-09-17 BE BE9800672A patent/BE1012923A5/fr not_active IP Right Cessation
- 1998-09-18 IT IT1998TO000797A patent/IT1305003B1/it active
-
2000
- 2000-01-24 US US09/490,378 patent/US6250408B1/en not_active Expired - Fee Related
- 2000-01-24 US US09/489,763 patent/US6230827B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2329404B (en) | 2002-05-29 |
US6230827B1 (en) | 2001-05-15 |
GB9819095D0 (en) | 1998-10-28 |
BE1012923A5 (fr) | 2001-06-05 |
ITTO980797A1 (it) | 2000-03-18 |
GB2329404A (en) | 1999-03-24 |
US6125947A (en) | 2000-10-03 |
US6250408B1 (en) | 2001-06-26 |
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