BE564188A - - Google Patents

Info

Publication number
BE564188A
BE564188A BE564188DA BE564188A BE 564188 A BE564188 A BE 564188A BE 564188D A BE564188D A BE 564188DA BE 564188 A BE564188 A BE 564188A
Authority
BE
Belgium
Prior art keywords
boundary
cross
section
drill
drill collar
Prior art date
Application number
Other languages
English (en)
Dutch (nl)
Publication of BE564188A publication Critical patent/BE564188A/nl

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
    • E21B17/16Drill collars
    • 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
    • E21B17/22Rods or pipes with helical structure

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)
BE564188D BE564188A (de)

Publications (1)

Publication Number Publication Date
BE564188A true BE564188A (de)

Family

ID=185144

Family Applications (1)

Application Number Title Priority Date Filing Date
BE564188D BE564188A (de)

Country Status (1)

Country Link
BE (1) BE564188A (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163749B (de) * 1960-02-24 1964-02-27 Fred K Fox Tiefbohr-Schwerstange mit schraubenfoermigen Ausnehmungen
US3125173A (en) * 1964-03-17 Tubular drill string members
US3146611A (en) * 1961-10-11 1964-09-01 Fred K Fox Tubular drill string members
US3175374A (en) * 1962-06-22 1965-03-30 Probe Inc Tubular member for use in well drilling operations
US3267695A (en) * 1965-03-29 1966-08-23 Lester W Toelke Tubular member for use in well drilling operations
US3338069A (en) * 1965-03-11 1967-08-29 Exxon Production Research Co Rotary drill collar
US3525237A (en) * 1968-06-18 1970-08-25 Mini Petrolului Drill-stem
EP0177467A1 (de) * 1984-10-01 1986-04-09 Santrade Ltd. Bohrgestänge
WO1986004951A1 (en) * 1985-02-21 1986-08-28 A/S Raufoss Ammunisjonsfabrikker Drilling pipe for making a drill string

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125173A (en) * 1964-03-17 Tubular drill string members
DE1163749B (de) * 1960-02-24 1964-02-27 Fred K Fox Tiefbohr-Schwerstange mit schraubenfoermigen Ausnehmungen
US3146611A (en) * 1961-10-11 1964-09-01 Fred K Fox Tubular drill string members
US3175374A (en) * 1962-06-22 1965-03-30 Probe Inc Tubular member for use in well drilling operations
US3338069A (en) * 1965-03-11 1967-08-29 Exxon Production Research Co Rotary drill collar
US3267695A (en) * 1965-03-29 1966-08-23 Lester W Toelke Tubular member for use in well drilling operations
US3525237A (en) * 1968-06-18 1970-08-25 Mini Petrolului Drill-stem
EP0177467A1 (de) * 1984-10-01 1986-04-09 Santrade Ltd. Bohrgestänge
WO1986004951A1 (en) * 1985-02-21 1986-08-28 A/S Raufoss Ammunisjonsfabrikker Drilling pipe for making a drill string

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