18 July 2017

Flange up

The act of making the final connection on the piping system. Also in oilfield slang it refers to the completion of any operation. Frequently refers to […]
18 July 2017

Flare

An open flame used to dispose of unwanted gas around a completed well.
18 July 2017

Floating collar

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 […]
18 July 2017

Floating offshore drilling rig

A type of mobile offshore drilling unit that floats and is not in contact with the seafloor (except with anchors) when it is in the drilling […]
18 July 2017

Flocculation

Abnormal thickening of drilling fluid due to chemical and physical reaction.
18 July 2017

Flooding

The process of drowning out a well with water; also the process by which oil is driven through the sand into the well by water introduced […]
18 July 2017

Flowing well

A well from which oil or water flows without pumping or artificial lifting.
18 July 2017

Fluid

A substance that flows and yields to any force tending to change its shape. Liquids and gases are fluids.
18 July 2017

Formation

A bed or deposit composed throughout of substantially the same kind of rock; often a lithologic unit. Each formation is given a name, frequently as a […]
20 October 2021

Formation fluids

Any fluids present within any spaces of a formation, which can include, but is not limited to the faults, fractures, vugs, pores, or caverns of a […]