Glossary
Farm-in |
where one company acquires an interest in an exploration or production licence by paying some of the past or future costs of another company which is relinquishing (farming out) part of its interest. |
Farm-out |
where a company relinquishes part of its interest in an exploration or production licence to another company in return for part-payment of its costs. |
Fault |
a fracture in the Earth's crust along which the rocks on one side are displaced relative to those on the other. |
Fault trap |
a trap where a reservoir layer is faulted and brought against an impervious formation. |
Feedstock |
the supply of crude oil, natural gas liquids or natural gas to a refinery or petrochemical plant or the supply of some refined fraction of intermediate petrochemical to some other process. |
Field |
a geographical area under which an oil or gas reservoir lies; see commercial field, marginal field. |
Field appraisal |
the process of quantifying reserves levels and production potential of a newly discovered petroleum reservoir, usually by drilling a delineation well. |
Fish |
an object accidentally lost down a well, sometimes referred to as junk. |
Fishing |
an attempt to recover tools or drilling equipment (fish) lost down hole. |
Flare |
an open flame used to burn off unwanted gas; see flaring. |
Flare stack |
the steel structure on a rig or platform from which gas is flared; see flaring |
Flaring |
burning off of gas produced in association with oil which, for technical or economic reasons, cannot be re-injected or shipped ashore. |
Flotation collar |
the specially designed raft used to float steel platform jackets into position. |
Flotel |
a floating accommodation rig or barge used as quarters for offshore personnel. |
FPSO |
Floating Production System Offshore |
Fractionation |
the separation of single fractions from a mixture of hydrocarbon fluids, mainly by distillation |
Fracture pressure |
the amount of pressure which is required to 'crack' or 'split' the rock at a particular depth so that fluid can enter it. |
Fuel gas |
refers to gaseous fuels, capable of being distributed by pipeline, such as natural gas, liquefied petroleum gas, coal gas and refinery gas. |
Fuel oils |
the heavy distillates from the oil refining process; used as fuel for power stations, industry, marine boilers, etc. |
