CA1095505A - Earth boring bit with eccentrically machined bearing pin - Google Patents

Earth boring bit with eccentrically machined bearing pin

Info

Publication number
CA1095505A
CA1095505A CA329,555A CA329555A CA1095505A CA 1095505 A CA1095505 A CA 1095505A CA 329555 A CA329555 A CA 329555A CA 1095505 A CA1095505 A CA 1095505A
Authority
CA
Canada
Prior art keywords
bearing pin
bit
bearing
cutter
rolling cutter
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
CA329,555A
Other languages
English (en)
French (fr)
Inventor
Francis E. Phelps
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
Application granted granted Critical
Publication of CA1095505A publication Critical patent/CA1095505A/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
    • E21B10/25—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

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Saccharide Compounds (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CA329,555A 1978-07-24 1979-06-12 Earth boring bit with eccentrically machined bearing pin Expired CA1095505A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92769678A 1978-07-24 1978-07-24
US927,696 1978-07-24

Publications (1)

Publication Number Publication Date
CA1095505A true CA1095505A (en) 1981-02-10

Family

ID=25455101

Family Applications (1)

Application Number Title Priority Date Filing Date
CA329,555A Expired CA1095505A (en) 1978-07-24 1979-06-12 Earth boring bit with eccentrically machined bearing pin

Country Status (10)

Country Link
JP (1) JPS5519400A (it)
CA (1) CA1095505A (it)
DE (1) DE2929568A1 (it)
FR (1) FR2441048A1 (it)
GB (1) GB2026576B (it)
IT (1) IT1117791B (it)
MX (1) MX150790A (it)
NL (1) NL7904731A (it)
NO (1) NO791605L (it)
PL (1) PL120433B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8002813L (sv) * 1980-04-15 1981-10-16 Sandvik Ab Lageranordning vid roterande borrkronor
US7086487B2 (en) * 2002-07-01 2006-08-08 Baker Hughes Incorporated Anti-mud packing seal gland
CN109026009B (zh) * 2018-10-17 2023-11-21 中南大学 一种海底矿产资源富钴结壳的采掘头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE673486A (it) *
US3384426A (en) * 1965-05-14 1968-05-21 Reed Roller Bit Co Contoured race for roller bearings
FR1459030A (fr) * 1965-08-17 1966-04-29 Hughes Tool Co Système de palier, notamment pour trépans
US3746405A (en) * 1971-11-18 1973-07-17 Globe Oil Tools Co Well drilling bit lubrication and seal
US3890018A (en) * 1974-07-19 1975-06-17 Dresser Ind Rotary rock bit with wiper pad lubrication system
US4061376A (en) * 1976-06-14 1977-12-06 Smith International Inc. Rock bit bearing structure

Also Published As

Publication number Publication date
FR2441048A1 (fr) 1980-06-06
PL217220A1 (it) 1980-04-08
IT7949664A0 (it) 1979-07-05
JPS5519400A (en) 1980-02-12
NO791605L (no) 1980-01-25
IT1117791B (it) 1986-02-24
NL7904731A (nl) 1980-01-28
DE2929568A1 (de) 1980-02-07
GB2026576A (en) 1980-02-06
MX150790A (es) 1984-07-19
GB2026576B (en) 1982-12-15
PL120433B1 (en) 1982-02-27

Similar Documents

Publication Publication Date Title
US4249622A (en) Floating seal for drill bits
US6513607B2 (en) Metal-face-seal rock bit
US4552232A (en) Drill-bit with full offset cutter bodies
US3244459A (en) Pressure lubricated drill bit bearing
US6026917A (en) Earth-boring bit with improved bearing seal
CA1095503A (en) Cutter actuated rock bit lubrication system
US6053264A (en) Cutter head mounting for drill bit
US4167219A (en) Viscous pump rock bit lubrication system
US4181185A (en) Thrust flange actuated rock bit lubrication system
US10119335B2 (en) Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
CA1109454A (en) Rotary rock bit seal recess washer
CA2705607C (en) Roller cone bit bearing with elastomeric seal having self break-in property
US3890018A (en) Rotary rock bit with wiper pad lubrication system
US4154312A (en) Drill bit with single cutting head
US4220377A (en) Earth boring bit with eccentrically machined bearing pin
US4256191A (en) Intermittent high-drag oil well drilling methods and apparatus
US4178045A (en) Abrasion resistant bearing seal
CA1095505A (en) Earth boring bit with eccentrically machined bearing pin
US4252383A (en) Earth boring bit with eccentrically formed bearing surface
US4330158A (en) Rotary rock bit with improved thrust flange
CA2009987A1 (en) Journal bearing type rock bit
CA1132974A (en) Earth boring bit with eccentric seal boss
US4244430A (en) Earth boring bit packed lubrication system
CA1120917A (en) Earth boring bit with eccentrically formed bearing surface
CA1162184A (en) Rotary rock bit with improved thrust flange

Legal Events

Date Code Title Description
MKEX Expiry