AU2571699A - Roller cone drill bit with improved thrust bearing assembly - Google Patents
Roller cone drill bit with improved thrust bearing assemblyInfo
- Publication number
- AU2571699A AU2571699A AU25716/99A AU2571699A AU2571699A AU 2571699 A AU2571699 A AU 2571699A AU 25716/99 A AU25716/99 A AU 25716/99A AU 2571699 A AU2571699 A AU 2571699A AU 2571699 A AU2571699 A AU 2571699A
- Authority
- AU
- Australia
- Prior art keywords
- drill bit
- thrust bearing
- bearing assembly
- roller cone
- cone drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7393898P | 1998-02-06 | 1998-02-06 | |
US60073938 | 1998-02-06 | ||
PCT/US1999/002103 WO1999040291A1 (en) | 1998-02-06 | 1999-02-02 | Roller cone drill bit with improved thrust bearing assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2571699A true AU2571699A (en) | 1999-08-23 |
Family
ID=22116709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25716/99A Abandoned AU2571699A (en) | 1998-02-06 | 1999-02-02 | Roller cone drill bit with improved thrust bearing assembly |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2571699A (en) |
WO (1) | WO1999040291A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114183078B (en) * | 2021-12-03 | 2023-09-08 | 中煤科工集团沈阳研究院有限公司 | Drilling tool capable of being cooled circularly and application method |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2339161A (en) | 1942-07-21 | 1944-01-11 | Reed Roller Bit Co | Cone bit construction |
US2831660A (en) * | 1956-04-16 | 1958-04-22 | Nat Oil Tool Co Inc | Lubricated well drill |
US3476446A (en) | 1967-06-08 | 1969-11-04 | Smith International | Rock bit and bearing |
US4054772A (en) | 1973-10-24 | 1977-10-18 | Dresser Industries, Inc. | Positioning system for rock bit welding |
US4056153A (en) | 1975-05-29 | 1977-11-01 | Dresser Industries, Inc. | Rotary rock bit with multiple row coverage for very hard formations |
US4098358A (en) * | 1976-04-22 | 1978-07-04 | Klima Frank J | Drill bit with hard-faced bearing surfaces |
SE412088B (en) | 1977-06-03 | 1980-02-18 | Sandvik Ab | STORAGE DEVICE FOR ROTARY DRILL CHRONICLE |
US4284151A (en) * | 1979-10-19 | 1981-08-18 | Sandvik Aktiebolag | Lubricating device |
US4280571A (en) | 1980-01-24 | 1981-07-28 | Dresser Industries, Inc. | Rock bit |
US4386668A (en) * | 1980-09-19 | 1983-06-07 | Hughes Tool Company | Sealed lubricated and air cooled rock bit bearing |
CA2055399A1 (en) * | 1991-11-13 | 1993-05-14 | Kenneth M. White | Indicating means for a rock bit lubricating system |
US5439068B1 (en) | 1994-08-08 | 1997-01-14 | Dresser Ind | Modular rotary drill bit |
US5439067B1 (en) | 1994-08-08 | 1997-03-04 | Dresser Ind | Rock bit with enhanced fluid return area |
US5570750A (en) * | 1995-04-20 | 1996-11-05 | Dresser Industries, Inc. | Rotary drill bit with improved shirttail and seal protection |
US5755299A (en) | 1995-08-03 | 1998-05-26 | Dresser Industries, Inc. | Hardfacing with coated diamond particles |
US5642942A (en) * | 1996-03-26 | 1997-07-01 | Smith International, Inc. | Thrust plugs for rotary cone air bits |
-
1999
- 1999-02-02 WO PCT/US1999/002103 patent/WO1999040291A1/en active Application Filing
- 1999-02-02 AU AU25716/99A patent/AU2571699A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1999040291A1 (en) | 1999-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |