DE8627691U1 - - Google Patents

Info

Publication number
DE8627691U1
DE8627691U1 DE8627691U DE8627691U DE8627691U1 DE 8627691 U1 DE8627691 U1 DE 8627691U1 DE 8627691 U DE8627691 U DE 8627691U DE 8627691 U DE8627691 U DE 8627691U DE 8627691 U1 DE8627691 U1 DE 8627691U1
Authority
DE
Germany
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
DE8627691U
Other languages
German (de)
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.)
Rudolf Hausherr & Soehne & Co Kg 4322 Sprockhoevel De GmbH
Original Assignee
Rudolf Hausherr & Soehne & Co Kg 4322 Sprockhoevel De GmbH
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 Rudolf Hausherr & Soehne & Co Kg 4322 Sprockhoevel De GmbH filed Critical Rudolf Hausherr & Soehne & Co Kg 4322 Sprockhoevel De GmbH
Priority to DE8627691U priority Critical patent/DE8627691U1/de
Publication of DE8627691U1 publication Critical patent/DE8627691U1/de
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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
DE8627691U 1986-10-17 1986-10-17 Expired DE8627691U1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8627691U DE8627691U1 (ja) 1986-10-17 1986-10-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8627691U DE8627691U1 (ja) 1986-10-17 1986-10-17

Publications (1)

Publication Number Publication Date
DE8627691U1 true DE8627691U1 (ja) 1988-02-18

Family

ID=6799300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8627691U Expired DE8627691U1 (ja) 1986-10-17 1986-10-17

Country Status (1)

Country Link
DE (1) DE8627691U1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0837979A1 (en) * 1996-05-13 1998-04-29 Ardis L. Holte Drill bit retainer for a down hole hammer assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0837979A1 (en) * 1996-05-13 1998-04-29 Ardis L. Holte Drill bit retainer for a down hole hammer assembly
EP0837979A4 (en) * 1996-05-13 2000-08-02 Ardis L Holte RETENTION ELEMENT FOR A DRILLING TOOL IN A HAMMER BOND ASSEMBLY

Similar Documents

Publication Publication Date Title
CH676533GA3 (ja)
CH680633GA3 (ja)
CH671848B (ja)
AU7354491A (ja)
CH677995GA3 (ja)
CH678379GA3 (ja)
AU6562586A (ja)
DE8601778U1 (ja)
CH670244B (ja)
AU7131791A (ja)
BE905135A (ja)
AU5329886A (ja)
AU5940986A (ja)
AU5857886A (ja)
AU5130285A (ja)
CU21894A3 (ja)
CU21891A3 (ja)
AU5537386A (ja)
BE905208A (ja)
AU6053586A (ja)
AU5703286A (ja)
AU5614386A (ja)
BE905521A (ja)
AU5173485A (ja)
CH658828B (ja)