BE486226A - - Google Patents

Info

Publication number
BE486226A
BE486226A BE486226DA BE486226A BE 486226 A BE486226 A BE 486226A BE 486226D A BE486226D A BE 486226DA BE 486226 A BE486226 A BE 486226A
Authority
BE
Belgium
Prior art keywords
drill
bit
recess
bore
groove
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486226A publication Critical patent/BE486226A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046Couplings; 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/40Percussion drill bits with leading portion

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)
BE486226D BE486226A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE486226A true BE486226A (enrdf_load_stackoverflow)

Family

ID=131948

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486226D BE486226A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE486226A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114033316A (zh) * 2021-11-24 2022-02-11 邹城兖矿泰德工贸有限公司 深孔岩石钻头

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114033316A (zh) * 2021-11-24 2022-02-11 邹城兖矿泰德工贸有限公司 深孔岩石钻头

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