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float collar [1 record]

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Alphabetical list of terms

Record 1 2001-06-19

English

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

A special coupling device, inserted one or two joints above the bottom of the casing string, that contains a check valve to permit fluid to pass downward but not upward through the casing.

CONT

The float collar prevents drilling mud from entering the casing while it is being lowered, allowing the casing to float during its descent and also decreasing the load on the derrick. The float collar also prevents a backflow of cement during the cementing operation.

French

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

Spanish

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