Drilling Industry Glossary
fault
filtrate alkalinity
fine LCM
fish
fishing
float collar
float shoe
floorhand
formation
fourble
fracture gradient
fracture pressure
friction
friction factor (F.F.)
funnel viscosity
Fish
An object that is left in the wellbore during drilling or workover operations and that must be recovered before work can proceed. It can be anything from a piece of scrap metal to a part of the drill stem.
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