NO912592D0 - Borkrone. - Google Patents
Borkrone.Info
- Publication number
- NO912592D0 NO912592D0 NO912592A NO912592A NO912592D0 NO 912592 D0 NO912592 D0 NO 912592D0 NO 912592 A NO912592 A NO 912592A NO 912592 A NO912592 A NO 912592A NO 912592 D0 NO912592 D0 NO 912592D0
- Authority
- NO
- Norway
- Prior art keywords
- bit
- Prior art date
Links
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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
- E21B10/30—Longitudinal axis roller reamers, e.g. reamer stabilisers
-
- 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
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
- E21B17/1064—Pipes or rods with a relatively rotating sleeve
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Holo Graphy (AREA)
- Surgical Instruments (AREA)
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/550,785 US5131478A (en) | 1989-02-21 | 1990-07-10 | Low friction subterranean drill bit and related methods |
Publications (3)
Publication Number | Publication Date |
---|---|
NO912592D0 true NO912592D0 (no) | 1991-07-02 |
NO912592L NO912592L (no) | 1992-01-13 |
NO302382B1 NO302382B1 (no) | 1998-02-23 |
Family
ID=24198567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO912592A NO302382B1 (no) | 1990-07-10 | 1991-07-02 | Borkrone |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0467580B1 (no) |
CN (1) | CN1030264C (no) |
CA (1) | CA2045094C (no) |
DE (1) | DE69104427T2 (no) |
EG (1) | EG19653A (no) |
NO (1) | NO302382B1 (no) |
RU (1) | RU2080446C1 (no) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5337844A (en) * | 1992-07-16 | 1994-08-16 | Baker Hughes, Incorporated | Drill bit having diamond film cutting elements |
US5456141A (en) * | 1993-11-12 | 1995-10-10 | Ho; Hwa-Shan | Method and system of trajectory prediction and control using PDC bits |
US5423389A (en) * | 1994-03-25 | 1995-06-13 | Amoco Corporation | Curved drilling apparatus |
GB9420838D0 (en) * | 1994-10-15 | 1994-11-30 | Camco Drilling Group Ltd | Improvements in or relating to rotary drill bits |
WO1999013194A1 (en) * | 1997-09-08 | 1999-03-18 | Baker Hughes Incorporated | Gage pad arrangements for rotary drill bits |
US6321862B1 (en) | 1997-09-08 | 2001-11-27 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability |
US6138780A (en) * | 1997-09-08 | 2000-10-31 | Baker Hughes Incorporated | Drag bit with steel shank and tandem gage pads |
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 |
US6173797B1 (en) | 1997-09-08 | 2001-01-16 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability |
US6112836A (en) * | 1997-09-08 | 2000-09-05 | Baker Hughes Incorporated | Rotary drill bits employing tandem gage pad arrangement |
EP1008718B1 (en) * | 1998-12-11 | 2004-09-15 | Camco International (UK) Limited | Rotary drag-type drill bits and methods of designing such bits |
GB0009266D0 (en) * | 2000-04-15 | 2000-05-31 | Camco Int Uk Ltd | Method and apparatus for predicting an operating characteristic of a rotary earth boring bit |
US6883622B2 (en) | 2000-07-21 | 2005-04-26 | Smith International, Inc. | Method for drilling a wellbore using a bi-center drill bit |
DE10101451B4 (de) | 2001-01-15 | 2010-04-01 | Robert Bosch Gmbh | Schneidewerkzeug |
US7831419B2 (en) * | 2005-01-24 | 2010-11-09 | Smith International, Inc. | PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time |
US8079428B2 (en) | 2009-07-02 | 2011-12-20 | Baker Hughes Incorporated | Hardfacing materials including PCD particles, welding rods and earth-boring tools including such materials, and methods of forming and using same |
RU2520317C2 (ru) * | 2012-09-04 | 2014-06-20 | Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") | Долото pdc для бурения горизонтальных скважин |
RU2567260C1 (ru) * | 2014-06-06 | 2015-11-10 | Товарищество С Ограниченной Ответственностью "Научно-Внедренческий Центр Алмас" | Буровое долото |
CN107075914A (zh) | 2014-11-20 | 2017-08-18 | 哈利伯顿能源服务公司 | 对地层与具有磨平处的井下钻井工具之间的相互作用建模 |
CN107075918A (zh) * | 2014-12-29 | 2017-08-18 | 哈里伯顿能源服务公司 | 被设计来控制和减少作用于岩石的岩心上的切削力的取芯钻头 |
WO2016183219A1 (en) | 2015-05-11 | 2016-11-17 | Smith International, Inc. | Method of testing cutting elements using intermittent cut of material |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2074951A (en) * | 1935-12-14 | 1937-03-23 | John A Zublin | Bit for drilling a hole larger than the bit |
US4815342A (en) * | 1987-12-15 | 1989-03-28 | Amoco Corporation | Method for modeling and building drill bits |
GB8926688D0 (en) * | 1989-11-25 | 1990-01-17 | Reed Tool Co | Improvements in or relating to rotary drill bits |
US5109935A (en) * | 1989-11-25 | 1992-05-05 | Reed Tool Company Limited | Rotary drill bits |
-
1991
- 1991-06-20 CA CA002045094A patent/CA2045094C/en not_active Expired - Lifetime
- 1991-07-02 NO NO912592A patent/NO302382B1/no not_active IP Right Cessation
- 1991-07-09 RU SU915001200A patent/RU2080446C1/ru active
- 1991-07-10 EG EG41791A patent/EG19653A/xx active
- 1991-07-10 DE DE69104427T patent/DE69104427T2/de not_active Expired - Lifetime
- 1991-07-10 EP EP91306247A patent/EP0467580B1/en not_active Expired - Lifetime
- 1991-07-10 CN CN91104795A patent/CN1030264C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EG19653A (en) | 1995-09-30 |
NO912592L (no) | 1992-01-13 |
CA2045094C (en) | 1997-09-23 |
DE69104427T2 (de) | 1995-02-23 |
EP0467580B1 (en) | 1994-10-05 |
DE69104427D1 (de) | 1994-11-10 |
EP0467580A1 (en) | 1992-01-22 |
RU2080446C1 (ru) | 1997-05-27 |
CN1058824A (zh) | 1992-02-19 |
CN1030264C (zh) | 1995-11-15 |
CA2045094A1 (en) | 1992-01-11 |
NO302382B1 (no) | 1998-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |