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MASSE-TIGE SPIRALEE CANNELEE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2000-03-15

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
  • Oil Drilling
DEF

A drill collar with a round cross section that has a long continuous groove or flute machined helically into its outer surface. The spiralled groove provides space between the wall of the hole and the body of the collar, minimizing the area of contact between the hole wall and collar; thus the possibility of differential pressure sticking is reduced.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
  • Forage des puits de pétrole

Spanish

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