GB2084223B - Lubricating system for rotary drill bits - Google Patents

Lubricating system for rotary drill bits

Info

Publication number
GB2084223B
GB2084223B GB8125925A GB8125925A GB2084223B GB 2084223 B GB2084223 B GB 2084223B GB 8125925 A GB8125925 A GB 8125925A GB 8125925 A GB8125925 A GB 8125925A GB 2084223 B GB2084223 B GB 2084223B
Authority
GB
United Kingdom
Prior art keywords
drill bits
lubricating system
rotary drill
rotary
lubricating
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
Application number
GB8125925A
Other languages
English (en)
Other versions
GB2084223A (en
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.)
SKF AB
Sandvik AB
Original Assignee
SKF AB
Sandvik AB
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 SKF AB, Sandvik AB filed Critical SKF AB
Publication of GB2084223A publication Critical patent/GB2084223A/en
Application granted granted Critical
Publication of GB2084223B publication Critical patent/GB2084223B/en
Expired 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Rolling Contact Bearings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
GB8125925A 1980-09-26 1981-08-25 Lubricating system for rotary drill bits Expired GB2084223B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8006734A SE423644B (sv) 1980-09-26 1980-09-26 Anordning for smorjning ab bergborrkronor

Publications (2)

Publication Number Publication Date
GB2084223A GB2084223A (en) 1982-04-07
GB2084223B true GB2084223B (en) 1984-09-12

Family

ID=20341824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125925A Expired GB2084223B (en) 1980-09-26 1981-08-25 Lubricating system for rotary drill bits

Country Status (11)

Country Link
US (1) US4399878A (https=)
AU (1) AU541835B2 (https=)
BR (1) BR8106134A (https=)
CA (1) CA1161831A (https=)
DE (1) DE3134035A1 (https=)
FR (1) FR2491122A1 (https=)
GB (1) GB2084223B (https=)
IE (1) IE51794B1 (https=)
NL (1) NL8104385A (https=)
SE (1) SE423644B (https=)
ZA (1) ZA815740B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN894396A0 (en) * 1996-03-26 1996-04-18 Hanns, David Thomas Sub-assembly for lubricating rock drill bit
AU720515B2 (en) * 1996-03-26 2000-06-01 David Thomas Hanns Sub-assembly for lubricating rock drill bit
US6619412B2 (en) 1996-09-09 2003-09-16 Smith International, Inc. Protected lubricant reservoir for sealed earth boring drill bit
US6116357A (en) * 1996-09-09 2000-09-12 Smith International, Inc. Rock drill bit with back-reaming protection
SE510284C2 (sv) * 1996-11-18 1999-05-10 Sandvik Ab Invändigt kylbart skär för spånavskiljande bearbetning
US6092611A (en) * 1997-05-28 2000-07-25 Dresser Industries, Inc. Encapsulated elastomeric relief valve
US6227315B1 (en) * 1998-03-23 2001-05-08 Baker Hughes Incorporated Air jet earth-boring bit with non-offset cutters
NO324515B1 (no) * 2005-12-05 2007-11-05 Aker Kvaerner Well Service As Anordning ved renseverktoy for et ror
US10024107B2 (en) * 2012-12-14 2018-07-17 Epiroc Drilling Tools Llc Rotary drill bit
US11585158B2 (en) 2020-05-21 2023-02-21 Caterpillar Inc. Isolated lubrication system for drill bits

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515417A (en) * 1946-08-03 1950-07-18 Keller Tool Co Oiler for pneumatic tools and the like
US2767807A (en) * 1954-06-16 1956-10-23 Gardner Denver Co Airline oiler for pneumatic tools
US2831660A (en) * 1956-04-16 1958-04-22 Nat Oil Tool Co Inc Lubricated well drill
FR1269370A (fr) * 1960-07-13 1961-08-11 Shell Int Research Dispositif de forage des trous dans les couches souterraines
US3220496A (en) * 1962-10-29 1965-11-30 Exxon Production Research Co Oilfield lubricating sub
US4280571A (en) * 1980-01-24 1981-07-28 Dresser Industries, Inc. Rock bit

Also Published As

Publication number Publication date
BR8106134A (pt) 1982-06-15
US4399878A (en) 1983-08-23
NL8104385A (nl) 1982-04-16
DE3134035A1 (de) 1982-05-27
ZA815740B (en) 1982-08-25
IE812227L (en) 1982-03-26
FR2491122B1 (https=) 1985-01-25
GB2084223A (en) 1982-04-07
IE51794B1 (en) 1987-04-01
AU541835B2 (en) 1985-01-24
FR2491122A1 (fr) 1982-04-02
CA1161831A (en) 1984-02-07
SE8006734L (sv) 1982-03-27
SE423644B (sv) 1982-05-17
AU7438381A (en) 1982-04-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee