ZA731752B - An improved well drilling tool - Google Patents

An improved well drilling tool

Info

Publication number
ZA731752B
ZA731752B ZA731752A ZA731752A ZA731752B ZA 731752 B ZA731752 B ZA 731752B ZA 731752 A ZA731752 A ZA 731752A ZA 731752 A ZA731752 A ZA 731752A ZA 731752 B ZA731752 B ZA 731752B
Authority
ZA
South Africa
Prior art keywords
drilling tool
well drilling
improved well
improved
tool
Prior art date
Application number
ZA731752A
Inventor
G King
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of ZA731752B publication Critical patent/ZA731752B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/003—Bearing, sealing, 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)
ZA731752A 1972-07-25 1973-03-13 An improved well drilling tool ZA731752B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27497772A 1972-07-25 1972-07-25

Publications (1)

Publication Number Publication Date
ZA731752B true ZA731752B (en) 1973-12-19

Family

ID=23050373

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA731752A ZA731752B (en) 1972-07-25 1973-03-13 An improved well drilling tool

Country Status (3)

Country Link
AU (1) AU5347273A (en)
OA (1) OA04357A (en)
ZA (1) ZA731752B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574769B2 (en) * 1984-03-22 1988-07-14 Meldrum, R.A. Non-continuous down hole drill
GB9405666D0 (en) * 1994-03-22 1994-05-11 Neyrfor Weir Ltd Stabilisation devices for drill motors

Also Published As

Publication number Publication date
OA04357A (en) 1980-01-31
AU5347273A (en) 1974-09-19

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