DE299913C - - Google Patents

Info

Publication number
DE299913C
DE299913C DENDAT299913D DE299913DA DE299913C DE 299913 C DE299913 C DE 299913C DE NDAT299913 D DENDAT299913 D DE NDAT299913D DE 299913D A DE299913D A DE 299913DA DE 299913 C DE299913 C DE 299913C
Authority
DE
Germany
Prior art keywords
piston
tool
stroke
impact
during
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
DENDAT299913D
Other languages
German (de)
English (en)
Publication date
Application granted granted Critical
Publication of DE299913C publication Critical patent/DE299913C/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • E21B6/08—Separate drives for percussion and rotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (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)
DENDAT299913D Expired DE299913C (cs)

Publications (1)

Publication Number Publication Date
DE299913C true DE299913C (cs) 1900-01-01

Family

ID=553959

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT299913D Expired DE299913C (cs)

Country Status (1)

Country Link
DE (1) DE299913C (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737818A (en) * 1954-12-22 1956-03-13 Cleveland Rock Drill Division Intermittent rotation mechanism with overload release
US2737819A (en) * 1954-12-22 1956-03-13 Cleveland Rock Drill Division Intermittent rotation mechanism with overload release
WO2003064805A1 (en) * 2001-12-14 2003-08-07 Wassara Ab Liquid driven downhole drilling machine
US7159674B2 (en) 2002-03-14 2007-01-09 Wassara Ab Method and device for directional down-hole drilling

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737818A (en) * 1954-12-22 1956-03-13 Cleveland Rock Drill Division Intermittent rotation mechanism with overload release
US2737819A (en) * 1954-12-22 1956-03-13 Cleveland Rock Drill Division Intermittent rotation mechanism with overload release
WO2003064805A1 (en) * 2001-12-14 2003-08-07 Wassara Ab Liquid driven downhole drilling machine
US7040421B2 (en) 2001-12-14 2006-05-09 Wassara Ab Liquid driven downhole drilling machine
AU2002354376B2 (en) * 2001-12-14 2007-04-26 Wassara Ab Liquid driven downhole drilling machine
CN1313698C (zh) * 2001-12-14 2007-05-02 瓦萨拉股份公司 液体驱动井下钻机
US7159674B2 (en) 2002-03-14 2007-01-09 Wassara Ab Method and device for directional down-hole drilling

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