ZM581A1 - Improved rock bit - Google Patents
Improved rock bitInfo
- Publication number
- ZM581A1 ZM581A1 ZM5/81A ZM581A ZM581A1 ZM 581 A1 ZM581 A1 ZM 581A1 ZM 5/81 A ZM5/81 A ZM 5/81A ZM 581 A ZM581 A ZM 581A ZM 581 A1 ZM581 A1 ZM 581A1
- Authority
- ZM
- Zambia
- Prior art keywords
- rock bit
- improved rock
- improved
- bit
- rock
- Prior art date
Links
- 239000011435 rock 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
- E21B10/08—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
-
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
-
- 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)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/114,919 US4280571A (en) | 1980-01-24 | 1980-01-24 | Rock bit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZM581A1 true ZM581A1 (en) | 1981-10-21 |
Family
ID=22358233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZM5/81A ZM581A1 (en) | 1980-01-24 | 1981-01-20 | Improved rock bit |
Country Status (5)
Country | Link |
---|---|
US (1) | US4280571A (en) |
AU (1) | AU538050B2 (en) |
CA (1) | CA1146157A (en) |
ZA (1) | ZA808114B (en) |
ZM (1) | ZM581A1 (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE423644B (en) * | 1980-09-26 | 1982-05-17 | Sandvik Ab | DEVICE FOR SMORJNING AB BERGBORRKRONOR |
US4421184A (en) * | 1981-12-04 | 1983-12-20 | Hughes Tool Company | Rock bit with improved shirttail ventilation |
US4492415A (en) * | 1982-03-03 | 1985-01-08 | Skf Industries, Inc. | Unitary full complement bearing components containing rolling elements in a self-supporting lubricating matrix |
US5485888A (en) * | 1993-05-17 | 1996-01-23 | R. H. Woods, Ltd. | Spherical reaming bit |
US5429200A (en) * | 1994-03-31 | 1995-07-04 | Dresser Industries, Inc. | Rotary drill bit with improved cutter |
US5452771A (en) * | 1994-03-31 | 1995-09-26 | Dresser Industries, Inc. | Rotary drill bit with improved cutter and seal protection |
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 |
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 |
US5547033A (en) * | 1994-12-07 | 1996-08-20 | Dresser Industries, Inc. | Rotary cone drill bit and method for enhanced lifting of fluids and cuttings |
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 |
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 |
CA2305742C (en) * | 1997-10-06 | 2005-04-26 | Excavation Engineering Associates, Inc. | Small disc cutters, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters |
WO1999037880A1 (en) | 1998-01-26 | 1999-07-29 | Dresser Industries, Inc. | Rotary cone drill bit with enhanced thrust bearing flange |
US6260635B1 (en) | 1998-01-26 | 2001-07-17 | Dresser Industries, Inc. | Rotary cone drill bit with enhanced journal bushing |
WO1999039075A1 (en) | 1998-01-30 | 1999-08-05 | Dresser Industries, Inc. | Rotary cone drill bit having a ball plug weld with hardfacing |
AU2571699A (en) | 1998-02-06 | 1999-08-23 | Dresser Industries Inc. | Roller cone drill bit with improved thrust bearing assembly |
EP1066447B1 (en) | 1998-03-26 | 2004-08-18 | Halliburton Energy Services, Inc. | Rotary cone drill bit with improved bearing system |
US7036613B2 (en) * | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
AU2004214512B2 (en) * | 2003-09-24 | 2009-05-07 | Sandvik Intellectual Property Ab | Bearing and lubrication system for earth boring bit |
US7241049B2 (en) * | 2004-12-03 | 2007-07-10 | Baker Hughes Incorporated | Micropore engagement surfaces for earth boring bit |
US20070014495A1 (en) * | 2005-07-15 | 2007-01-18 | Baker Hughes Incorporated | System, method, and apparatus for reducing residual stress in as-welded roller cone bit ball plug welds |
WO2008028131A2 (en) | 2006-09-01 | 2008-03-06 | Halliburton Energy Services, Inc. | Roller cone drill bits with improved fluid flow |
US10180031B2 (en) * | 2014-03-06 | 2019-01-15 | Barbco, Inc. | Apparatus and method for drilling generally horizontal underground boreholes |
US10526846B2 (en) | 2014-03-06 | 2020-01-07 | Barbco, Inc. | Material exhaust connection for horizontal bore |
US10465460B2 (en) | 2017-06-27 | 2019-11-05 | Barbco, Inc. | Cutting assembly for a boring device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1141962B (en) * | 1961-09-28 | 1963-01-03 | Karl Guenther Bechem | Bearing for roller drill |
US3547819A (en) * | 1964-04-28 | 1970-12-15 | Joseph E Ferri | Lubricating composition |
FR1407776A (en) * | 1964-06-24 | 1965-08-06 | Aquitaine Petrole | Improvements to roller bits used for drilling |
US3952815A (en) * | 1975-03-24 | 1976-04-27 | Dresser Industries, Inc. | Land erosion protection on a rock cutter |
US4193463A (en) * | 1977-04-27 | 1980-03-18 | Smith International, Inc. | Drilling bit fluid-cooled friction bearing |
DE2756964C2 (en) * | 1977-12-21 | 1986-01-30 | SKF GmbH, 8720 Schweinfurt | Roller bit with several cutting rollers |
-
1980
- 1980-01-24 US US06/114,919 patent/US4280571A/en not_active Expired - Lifetime
- 1980-12-16 CA CA000366891A patent/CA1146157A/en not_active Expired
- 1980-12-22 AU AU65648/80A patent/AU538050B2/en not_active Ceased
- 1980-12-30 ZA ZA00808114A patent/ZA808114B/en unknown
-
1981
- 1981-01-20 ZM ZM5/81A patent/ZM581A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU538050B2 (en) | 1984-07-26 |
US4280571A (en) | 1981-07-28 |
CA1146157A (en) | 1983-05-10 |
ZA808114B (en) | 1982-01-27 |
AU6564880A (en) | 1981-07-30 |
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