SE8902279L - Borrkrona med bakkantsventilation - Google Patents
Borrkrona med bakkantsventilationInfo
- Publication number
- SE8902279L SE8902279L SE8902279A SE8902279A SE8902279L SE 8902279 L SE8902279 L SE 8902279L SE 8902279 A SE8902279 A SE 8902279A SE 8902279 A SE8902279 A SE 8902279A SE 8902279 L SE8902279 L SE 8902279L
- Authority
- SE
- Sweden
- Prior art keywords
- journal arm
- journal
- arm
- slot
- cavity
- Prior art date
Links
- 238000009423 ventilation Methods 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/23—Roller bits characterised by bearing, lubrication or sealing details with drilling fluid supply to the bearings
-
- 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
- E21B10/08—Roller 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
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 |
---|---|---|---|
US07/211,660 US4813502A (en) | 1988-06-28 | 1988-06-28 | Drilling bit with improved trailing edge vent |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8902279D0 SE8902279D0 (sv) | 1989-06-22 |
SE8902279L true SE8902279L (sv) | 1989-12-29 |
SE500460C2 SE500460C2 (sv) | 1994-06-27 |
Family
ID=22787851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8902279A SE500460C2 (sv) | 1988-06-28 | 1989-06-22 | Borrkrona med bakkantsventilation |
Country Status (4)
Country | Link |
---|---|
US (1) | US4813502A (sv) |
AU (1) | AU611565B2 (sv) |
CA (1) | CA1320482C (sv) |
SE (1) | SE500460C2 (sv) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4813502A (en) * | 1988-06-28 | 1989-03-21 | Dresser Industries, Inc. | Drilling bit with improved trailing edge vent |
US5606895A (en) * | 1994-08-08 | 1997-03-04 | Dresser Industries, Inc. | Method for manufacture and rebuild a rotary drill bit |
US5595255A (en) * | 1994-08-08 | 1997-01-21 | Dresser Industries, Inc. | Rotary cone drill bit with improved support arms |
US5441120A (en) * | 1994-08-31 | 1995-08-15 | Dresser Industries, Inc. | Roller cone rock bit having a sealing system with double elastomer seals |
US5513711A (en) * | 1994-08-31 | 1996-05-07 | Williams; Mark E. | Sealed and lubricated rotary cone drill bit having improved seal protection |
US5513715A (en) * | 1994-08-31 | 1996-05-07 | Dresser Industries, Inc. | Flat seal for a roller cone rock bit |
US5553681A (en) * | 1994-12-07 | 1996-09-10 | Dresser Industries, Inc. | Rotary cone drill bit with angled ramps |
US5755297A (en) * | 1994-12-07 | 1998-05-26 | Dresser Industries, Inc. | Rotary cone drill bit with integral stabilizers |
US5547033A (en) * | 1994-12-07 | 1996-08-20 | Dresser Industries, Inc. | Rotary cone drill bit and method for enhanced lifting of fluids and cuttings |
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 |
US5641029A (en) * | 1995-06-06 | 1997-06-24 | Dresser Industries, Inc. | Rotary cone drill bit modular arm |
USD384084S (en) * | 1995-09-12 | 1997-09-23 | Dresser Industries, Inc. | Rotary cone drill bit |
US5709278A (en) | 1996-01-22 | 1998-01-20 | Dresser Industries, Inc. | Rotary cone drill bit with contoured inserts and compacts |
US5722497A (en) | 1996-03-21 | 1998-03-03 | Dresser Industries, Inc. | Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces |
AU1072999A (en) * | 1997-10-06 | 1999-04-27 | Michael A. Anderson | Small disc cutters, and drill bits, cutterheads, and tunnel boring machines emp loying such rolling disc cutters |
US6026917A (en) * | 1997-12-18 | 2000-02-22 | Baker Hughes Incorporated | Earth-boring bit with improved bearing seal |
US7117961B2 (en) | 2003-07-31 | 2006-10-10 | Smith International, Inc. | Dynamic seal with soft interface |
US7188691B2 (en) * | 2004-06-15 | 2007-03-13 | Smith International, Inc. | Metal seal with impact-absorbing ring |
US7347290B2 (en) * | 2004-06-15 | 2008-03-25 | Smith International, Inc. | Multi-part energizer for mechanical seal assembly |
US7461708B2 (en) * | 2004-08-16 | 2008-12-09 | Smith International, Inc. | Elastomeric seal assembly having auxiliary annular seal components |
US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
CN104995368B (zh) | 2012-12-14 | 2017-03-22 | 阿特拉斯·科普柯(美国)塞科洛克有限公司 | 空气冷却的钻地钻头 |
US10689912B1 (en) | 2019-12-12 | 2020-06-23 | PDB Tools, Inc. | Sealed bearing rock bit with a low profile seal |
CN111594054B (zh) * | 2020-06-06 | 2021-07-23 | 胜利油田万和石油工程技术有限责任公司 | 一种防堵pdc钻头及使用方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3534823A (en) * | 1969-02-28 | 1970-10-20 | Murphy Ind Inc G W | Drill bit |
US3921735A (en) * | 1975-02-27 | 1975-11-25 | Dresser Ind | Rotary rock bit with cone mouth air screen |
US4193463A (en) * | 1977-04-27 | 1980-03-18 | Smith International, Inc. | Drilling bit fluid-cooled friction bearing |
US4375242A (en) * | 1980-08-11 | 1983-03-01 | Hughes Tool Company | Sealed and lubricated rock bit with air protected seal ring |
US4386668A (en) * | 1980-09-19 | 1983-06-07 | Hughes Tool Company | Sealed lubricated and air cooled rock bit bearing |
US4421184A (en) * | 1981-12-04 | 1983-12-20 | Hughes Tool Company | Rock bit with improved shirttail ventilation |
US4515228A (en) * | 1983-11-28 | 1985-05-07 | Hughes Tool Company - Usa | Air groove scraper |
US4516640A (en) * | 1983-12-08 | 1985-05-14 | Santrade Ltd. | Rotary drill bit |
US4688651A (en) * | 1986-03-21 | 1987-08-25 | Dresser Industries, Inc. | Cone mouth debris exclusion shield |
US4813502A (en) * | 1988-06-28 | 1989-03-21 | Dresser Industries, Inc. | Drilling bit with improved trailing edge vent |
-
1988
- 1988-06-28 US US07/211,660 patent/US4813502A/en not_active Expired - Fee Related
-
1989
- 1989-05-26 CA CA000600896A patent/CA1320482C/en not_active Expired - Fee Related
- 1989-06-05 AU AU36031/89A patent/AU611565B2/en not_active Ceased
- 1989-06-22 SE SE8902279A patent/SE500460C2/sv unknown
Also Published As
Publication number | Publication date |
---|---|
AU3603189A (en) | 1990-01-04 |
US4813502A (en) | 1989-03-21 |
CA1320482C (en) | 1993-07-20 |
SE500460C2 (sv) | 1994-06-27 |
AU611565B2 (en) | 1991-06-13 |
SE8902279D0 (sv) | 1989-06-22 |
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