[go: up one dir, main page]

AU2571699A - Roller cone drill bit with improved thrust bearing assembly - Google Patents

Roller cone drill bit with improved thrust bearing assembly

Info

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
Application number
AU25716/99A
Inventor
Dennis D. Fuller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of AU2571699A publication Critical patent/AU2571699A/en
Abandoned legal-status Critical Current

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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or 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)
AU25716/99A 1998-02-06 1999-02-02 Roller cone drill bit with improved thrust bearing assembly Abandoned AU2571699A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1999040291A1 (en) 1999-08-12

Similar Documents

Publication Publication Date Title
AU3607800A (en) Roller cone bit with improved seal gland design
GB2332461B (en) Earth-boring bit with improved bearing seal
AU5798399A (en) Force-balanced roller-cone bits, systems, drilling methods, and design methods
GB2331313B (en) Rotary cone drill bit with integral stabilizers
ZA9810980B (en) Sealed bearing drill bit with dual-seal configuration.
GB2348901B (en) Drill bit insert and roller cone bit
AU2051800A (en) Multiple groove thrust bearing
GB2355743B (en) Rock bit seal with multiple dynamic seal surface elements
AU3743700A (en) Drill bit assembly with an adjustable hole saw
AU3362795A (en) Rotary cone drill bit with improved support arms
AUPQ432899A0 (en) Rotatable drilling bit
AU1072999A (en) Small disc cutters, and drill bits, cutterheads, and tunnel boring machines emp loying such rolling disc cutters
AU6326598A (en) Drill bit
AU2002210307A1 (en) Thrust bearing
AU3570497A (en) Drill bit with set of underreamer arms
AU3725799A (en) Rolling bearing
AU2001234949A1 (en) Chuck and assembly with bit
ZA200110556B (en) Roller cone drill bit structure having improved journal angle and journal offset.
AU6505800A (en) Long reach rotary drilling assembly
AU2220700A (en) Relieved tapered roller bearing with true rolling contacts
AU6762698A (en) Boring bar with reverse mounted insert
AU5088100A (en) High capacity thrust bearing
AU5273999A (en) Power drill with integral bit holder
AU7062996A (en) Down the hole drill
AU3908797A (en) Masonry drill bit

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase