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Oil & gas
Terms concerning oil and gas as a fossil fuel and natural resource.
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Oil & gas > Oilfield 
gas anchor
Oil & gas; 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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Sub-categories
- corrosion inhibition (0)
- Downhole (49)
- Drilling (9514)
- Environmental management (93)
- Fuel handling (16)
- Horizontal directional drilling (7)
- Offshore oil exploration (2047)
- Oil (4406)
- Oil & gas instrumentation (856)
- Oilfield (22159)
- Pipeline related (90)