CA1044274A - Wet drilling connector seal - Google Patents

Wet drilling connector seal

Info

Publication number
CA1044274A
CA1044274A CA271,841A CA271841A CA1044274A CA 1044274 A CA1044274 A CA 1044274A CA 271841 A CA271841 A CA 271841A CA 1044274 A CA1044274 A CA 1044274A
Authority
CA
Canada
Prior art keywords
drill string
tubular
connector
section
tubular drill
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
CA271,841A
Other languages
English (en)
French (fr)
Inventor
Raymond D. Evans (Jr.)
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.)
Kennametal Inc
Original Assignee
Kennametal 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 Kennametal Inc filed Critical Kennametal Inc
Application granted granted Critical
Publication of CA1044274A publication Critical patent/CA1044274A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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)
CA271,841A 1976-02-24 1977-02-15 Wet drilling connector seal Expired CA1044274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66083376A 1976-02-24 1976-02-24

Publications (1)

Publication Number Publication Date
CA1044274A true CA1044274A (en) 1978-12-12

Family

ID=24651160

Family Applications (1)

Application Number Title Priority Date Filing Date
CA271,841A Expired CA1044274A (en) 1976-02-24 1977-02-15 Wet drilling connector seal

Country Status (5)

Country Link
AU (1) AU502589B2 (de)
CA (1) CA1044274A (de)
DE (1) DE2708044C2 (de)
GB (1) GB1542828A (de)
ZA (1) ZA77963B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400861A (en) * 1994-05-05 1995-03-28 Kennametal, Inc. Rotatable cutting bit assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7207400B2 (en) 2004-04-07 2007-04-24 Kennametal Inc. Coupler and roof drill bit assembly using such coupler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26938A (en) * 1860-01-24 Jaspelf vax womieh
US892082A (en) * 1906-04-17 1908-06-30 Ingersoll Rand Co Rock-drilling machine.
DE1028510B (de) * 1957-05-20 1958-04-24 Mannesmann Ag Rohrverbindung fuer die Gestaengerohre turbinengetriebener Erdbohrer
DE1248584B (de) * 1965-10-16 1967-08-31 Thyssen Roehrenwerke Ag Gasdichte Schraubverbindung fuer OElfeldrohre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400861A (en) * 1994-05-05 1995-03-28 Kennametal, Inc. Rotatable cutting bit assembly

Also Published As

Publication number Publication date
ZA77963B (en) 1977-12-28
GB1542828A (en) 1979-03-28
DE2708044C2 (de) 1986-01-02
DE2708044A1 (de) 1977-08-25
AU2236377A (en) 1978-08-24
AU502589B2 (en) 1979-08-02

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