ZA713563B - Valving tube subassembly for percussion bit - Google Patents

Valving tube subassembly for percussion bit

Info

Publication number
ZA713563B
ZA713563B ZA713563A ZA713563A ZA713563B ZA 713563 B ZA713563 B ZA 713563B ZA 713563 A ZA713563 A ZA 713563A ZA 713563 A ZA713563 A ZA 713563A ZA 713563 B ZA713563 B ZA 713563B
Authority
ZA
South Africa
Prior art keywords
tube subassembly
percussion bit
valving tube
valving
percussion
Prior art date
Application number
ZA713563A
Inventor
R Nolley
Original Assignee
Hughes Tool 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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of ZA713563B publication Critical patent/ZA713563B/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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

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)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
ZA713563A 1970-11-23 1971-06-02 Valving tube subassembly for percussion bit ZA713563B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9169970A 1970-11-23 1970-11-23

Publications (1)

Publication Number Publication Date
ZA713563B true ZA713563B (en) 1972-01-26

Family

ID=22229203

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA713563A ZA713563B (en) 1970-11-23 1971-06-02 Valving tube subassembly for percussion bit

Country Status (3)

Country Link
US (1) US3714993A (en)
GB (1) GB1344851A (en)
ZA (1) ZA713563B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316431A1 (en) * 1975-07-04 1977-01-28 Montabert Roger IMPROVEMENT IN DRILLING HAMMERS
US5609867A (en) 1994-11-01 1997-03-11 American Cyanamid Company Polymeric antitumor agents
DE10253788A1 (en) * 2001-12-10 2003-06-18 Heidelberger Druckmasch Ag Feeding device for feeding suction air or blowing air to sheet-retaining device displaceable to machine element in sheet-processing machine, has first and second hollow tubes
JP2013107634A (en) * 2011-11-21 2013-06-06 Goodyear Tire & Rubber Co:The Tire with label
US8869854B2 (en) * 2011-11-21 2014-10-28 The Goodyear Tire & Rubber Company Tire with label
US9567811B2 (en) * 2013-09-17 2017-02-14 Kennametal Inc. Coupler for a rotatable cutter assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245154A (en) * 1939-05-04 1941-06-10 Arthur T Mcwane Separation resisting pipe joint
US2790624A (en) * 1952-10-23 1957-04-30 Sandvikens Jernverks Ab Packing sleeve for rock drills
US3057417A (en) * 1958-08-12 1962-10-09 Thor Power Tool Co Drill system with suction removal of cuttings
US3085555A (en) * 1960-05-31 1963-04-16 Ingersoll Rand Co Pneumatic hammer rock drill
US3081102A (en) * 1960-10-03 1963-03-12 Murray Rubber Company Inc Gasket for telescoping joint
USRE25705E (en) * 1961-02-27 1964-12-29 Valving arrangement for rock drills
BE637490A (en) * 1962-09-17
US3503459A (en) * 1968-07-29 1970-03-31 Mission Mfg Co Percussion drill motor

Also Published As

Publication number Publication date
US3714993A (en) 1973-02-06
GB1344851A (en) 1974-01-23

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