MX160907A - IMPROVEMENTS IN EARTH DRILLING FOR A GASEOUS FLUID DRILLING SYSTEM - Google Patents

IMPROVEMENTS IN EARTH DRILLING FOR A GASEOUS FLUID DRILLING SYSTEM

Info

Publication number
MX160907A
MX160907A MX4927A MX492787A MX160907A MX 160907 A MX160907 A MX 160907A MX 4927 A MX4927 A MX 4927A MX 492787 A MX492787 A MX 492787A MX 160907 A MX160907 A MX 160907A
Authority
MX
Mexico
Prior art keywords
drilling
gaseous fluid
earth
drilling system
earth drilling
Prior art date
Application number
MX4927A
Other languages
Spanish (es)
Inventor
Walter F Johnsey
Donald D Drummond
Roy W Wood
Original Assignee
Drumco
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 Drumco filed Critical Drumco
Publication of MX160907A publication Critical patent/MX160907A/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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating 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)
MX4927A 1986-01-13 1987-01-13 IMPROVEMENTS IN EARTH DRILLING FOR A GASEOUS FLUID DRILLING SYSTEM MX160907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81832686A 1986-01-13 1986-01-13

Publications (1)

Publication Number Publication Date
MX160907A true MX160907A (en) 1990-06-06

Family

ID=25225263

Family Applications (1)

Application Number Title Priority Date Filing Date
MX4927A MX160907A (en) 1986-01-13 1987-01-13 IMPROVEMENTS IN EARTH DRILLING FOR A GASEOUS FLUID DRILLING SYSTEM

Country Status (6)

Country Link
EP (1) EP0230129A1 (en)
AU (1) AU6743787A (en)
BR (1) BR8700047A (en)
CA (1) CA1264318A (en)
MX (1) MX160907A (en)
ZA (1) ZA87174B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2055399A1 (en) * 1991-11-13 1993-05-14 Kenneth M. White Indicating means for a rock bit lubricating system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125175A (en) * 1964-03-17 figure
US2814464A (en) * 1953-01-02 1957-11-26 Engineering Lab Inc Air course drill bits
US3029881A (en) * 1959-06-09 1962-04-17 H C Smith Oil Tool Co Bit lubricator
US3924695A (en) * 1974-10-02 1975-12-09 John R Kennedy Rotary drilling method and apparatus
US4080091A (en) * 1976-11-03 1978-03-21 Reed Tool Company Drill bit
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
EP0106701A3 (en) * 1982-10-19 1986-02-05 Drumco Method and apparatus for lubricating a drill bit
US4541494A (en) * 1982-10-19 1985-09-17 Drumco Drill bit assembly

Also Published As

Publication number Publication date
AU6743787A (en) 1987-07-16
EP0230129A1 (en) 1987-07-29
CA1264318A (en) 1990-01-09
BR8700047A (en) 1987-12-01
ZA87174B (en) 1987-08-26

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