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IT7949664A0 - IMPROVEMENT IN DRILL BITS AND PROCEDURE FOR THEIR MANUFACTURING - Google Patents

IMPROVEMENT IN DRILL BITS AND PROCEDURE FOR THEIR MANUFACTURING

Info

Publication number
IT7949664A0
IT7949664A0 IT7949664A IT4966479A IT7949664A0 IT 7949664 A0 IT7949664 A0 IT 7949664A0 IT 7949664 A IT7949664 A IT 7949664A IT 4966479 A IT4966479 A IT 4966479A IT 7949664 A0 IT7949664 A0 IT 7949664A0
Authority
IT
Italy
Prior art keywords
improvement
procedure
manufacturing
drill bits
drill
Prior art date
Application number
IT7949664A
Other languages
Italian (it)
Other versions
IT1117791B (en
Original Assignee
Dresser Ind
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 Ind filed Critical Dresser Ind
Publication of IT7949664A0 publication Critical patent/IT7949664A0/en
Application granted granted Critical
Publication of IT1117791B publication Critical patent/IT1117791B/en

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)
  • Manufacturing Of Electric Cables (AREA)
  • Saccharide Compounds (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
IT49664/79A 1978-07-24 1979-07-05 IMPROVEMENT IN THE DRILLING POINTS AND PROCEDURE FOR THEIR MANUFACTURE IT1117791B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92769678A 1978-07-24 1978-07-24

Publications (2)

Publication Number Publication Date
IT7949664A0 true IT7949664A0 (en) 1979-07-05
IT1117791B IT1117791B (en) 1986-02-24

Family

ID=25455101

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49664/79A IT1117791B (en) 1978-07-24 1979-07-05 IMPROVEMENT IN THE DRILLING POINTS AND PROCEDURE FOR THEIR MANUFACTURE

Country Status (10)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8002813L (en) * 1980-04-15 1981-10-16 Sandvik Ab STORAGE DEVICE FOR ROTARY DRILL CHRONICLE
US7086487B2 (en) * 2002-07-01 2006-08-08 Baker Hughes Incorporated Anti-mud packing seal gland
CN109026009B (en) * 2018-10-17 2023-11-21 中南大学 Mining head for cobalt-rich crust of submarine mineral resources

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE673486A (en) *
US3384426A (en) * 1965-05-14 1968-05-21 Reed Roller Bit Co Contoured race for roller bearings
FR1459030A (en) * 1965-08-17 1966-04-29 Hughes Tool Co Bearing system, especially for drill bits
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
IT1117791B (en) 1986-02-24
DE2929568A1 (en) 1980-02-07
GB2026576B (en) 1982-12-15
NO791605L (en) 1980-01-25
JPS5519400A (en) 1980-02-12
NL7904731A (en) 1980-01-28
PL217220A1 (en) 1980-04-08
PL120433B1 (en) 1982-02-27
FR2441048A1 (en) 1980-06-06
GB2026576A (en) 1980-02-06
MX150790A (en) 1984-07-19
CA1095505A (en) 1981-02-10

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