CA954504A - Earth boring bit thrust bearing - Google Patents
Earth boring bit thrust bearingInfo
- Publication number
- CA954504A CA954504A CA140,021A CA140021A CA954504A CA 954504 A CA954504 A CA 954504A CA 140021 A CA140021 A CA 140021A CA 954504 A CA954504 A CA 954504A
- Authority
- CA
- Canada
- Prior art keywords
- thrust bearing
- earth boring
- boring bit
- bit thrust
- earth
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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 |
---|---|---|---|
US14565171A | 1971-05-21 | 1971-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA954504A true CA954504A (en) | 1974-09-10 |
Family
ID=22513997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA140,021A Expired CA954504A (en) | 1971-05-21 | 1972-04-19 | Earth boring bit thrust bearing |
Country Status (4)
Country | Link |
---|---|
US (1) | US3720274A (en) |
AU (1) | AU459366B2 (en) |
CA (1) | CA954504A (en) |
GB (1) | GB1368340A (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950041A (en) * | 1973-09-12 | 1976-04-13 | Dresser Industries, Inc. | Rock bit bearing system for carrying out thrust |
US3995367A (en) * | 1976-03-01 | 1976-12-07 | Dresser Industries, Inc. | Bearing separator and sealing system for rock bit |
US4193463A (en) * | 1977-04-27 | 1980-03-18 | Smith International, Inc. | Drilling bit fluid-cooled friction bearing |
SE412088B (en) * | 1977-06-03 | 1980-02-18 | Sandvik Ab | STORAGE DEVICE FOR ROTARY DRILL CHRONICLE |
US4136748A (en) * | 1977-11-07 | 1979-01-30 | The Timken Company | Roller-type rock bit and bearing arrangement therefor |
US4235295A (en) * | 1979-03-05 | 1980-11-25 | Dresser Industries, Inc. | Earth boring bit with renewable bearing surface |
US4386663A (en) * | 1981-02-25 | 1983-06-07 | Hughes Tool Company | Cooled journal bearing |
US4410284A (en) * | 1982-04-22 | 1983-10-18 | Smith International, Inc. | Composite floating element thrust bearing |
US4413918A (en) * | 1982-05-19 | 1983-11-08 | Smith International, Inc. | Thrust bearing for rock bits |
US5148879A (en) * | 1992-06-17 | 1992-09-22 | Smith International, Inc. | Spindle cap bearing for rotary cone rock bits |
GB9415668D0 (en) * | 1994-08-03 | 1994-09-21 | Camco Int | Improvements in or relating to rolling cutter drill bits |
US6354740B1 (en) | 1995-07-28 | 2002-03-12 | Camco International Inc. | Rolling cutter drill bits |
US6416224B1 (en) | 1995-07-28 | 2002-07-09 | Schlumberger Technology Corporation | Rolling cutter drill bits |
US5642942A (en) * | 1996-03-26 | 1997-07-01 | Smith International, Inc. | Thrust plugs for rotary cone air bits |
US20040031625A1 (en) * | 2002-08-19 | 2004-02-19 | Lin Chih C. | DLC coating for earth-boring bit bearings |
AU2003902189A0 (en) * | 2003-05-07 | 2003-05-22 | Extreme Machining Australia Pty Ltd | Seal for a roller assembly |
US7552783B2 (en) * | 2005-07-01 | 2009-06-30 | Smith International, Inc. | Graded hardfacing for drill bits |
US8961019B2 (en) | 2011-05-10 | 2015-02-24 | Smith International, Inc. | Flow control through thrust bearing assembly |
BR112015013743B1 (en) * | 2012-12-14 | 2020-06-02 | Epiroc Drilling Tools Llc | Air-cooled drill rig drill bit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058624A (en) * | 1933-09-07 | 1936-10-27 | Chicago Pneumatic Tool Co | Roller cutter drill |
US2104819A (en) * | 1935-03-09 | 1938-01-11 | Hughes Tool Co | Roller boring drill |
US2065742A (en) * | 1935-03-26 | 1936-12-29 | Chicago Pneumatic Tool Co | Roller cutter, spindle, and bearing assembly for earth boring drills |
US2075999A (en) * | 1935-08-02 | 1937-04-06 | Chicago Pneumatic Tool Co | Roller cutter and antifriction bearing assembly for earth boring drills |
US2444724A (en) * | 1944-09-19 | 1948-07-06 | Chicago Pneumatic Tool Co | Bearing for rock bits |
US2513634A (en) * | 1946-04-19 | 1950-07-04 | Reed Roller Bit Co | Cone bit bearing |
US3480341A (en) * | 1967-10-16 | 1969-11-25 | Murphy Ind Inc G W | Friction bearing |
US3601456A (en) * | 1970-03-23 | 1971-08-24 | Myron D Becker | Antiskew device for drill bit bearings |
US3656764A (en) * | 1970-08-31 | 1972-04-18 | William P Robinson | Drill bit seal assembly |
-
1971
- 1971-05-21 US US00145651A patent/US3720274A/en not_active Expired - Lifetime
-
1972
- 1972-04-19 CA CA140,021A patent/CA954504A/en not_active Expired
- 1972-05-02 AU AU41791/72A patent/AU459366B2/en not_active Expired
- 1972-05-03 GB GB2060372A patent/GB1368340A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3720274A (en) | 1973-03-13 |
AU4179172A (en) | 1973-12-20 |
AU459366B2 (en) | 1975-03-27 |
GB1368340A (en) | 1974-09-25 |
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