Oilfield

Oilfield

Oilfield refers to a region with an abundance of oil wells extracting petroleum from below the ground.

Contributors in Oilfield

Oilfield

A perforated tubular attached to the subsurface sucker-rod pump that controls the entrance of gas. Since it is the only way for formation fluid to enter the pump, its use increases the efficiency of ...

big-hole charge

Oil & gas; Oilfield

A perforating charge designed to create perforations with a large-diameter entrance hole. These charges typically are used in sand control completions, in which efficient placement of the gravel pack ...

working interest

Oil & gas; Oilfield

A percentage of ownership in an oil and gas lease granting its owner the right to explore, drill and produce oil and gas from a tract of property. Working interest owners are obligated to pay a ...

shut-in royalty

Oil & gas; Oilfield

A payment stipulated in the oil and gas lease, which royalty owners receive in lieu of actual production, when a gas well is shut-in due to lack of a suitable market, a lack of facilities to produce ...

Archie equation

Oil & gas; Oilfield

A particular relation proposed by G. E. Archie between the formation factor (F) and porosity (phi), in which F = 1 / phi m , where the porosity exponent, m, is a constant for a particular ...

medium induction

Oil & gas; Oilfield

A particular type of induction log designed to read an intermediate distance into the formation while maintaining good vertical resolution. The medium-induction array of eight coils (IM) is produced ...

structural shale

Oil & gas; Oilfield

A particular type of shale distribution in which the shale exists as grains within a rock framework, in contrast to dispersed shale and laminar shale. The term also refers to a formation model or ...