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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

sonic measurement

Oil & gas; Oilfield

A technique for recording the formation compressional slowness based on the transit time between transmitter and receiver. In the most basic wireline sonic measurement, an ...

audio measurement

Oil & gas; Oilfield

A technique for recording sound at different positions in the borehole to generate a noise log. The measurement technique uses a microphone to record signals in the audible range ...

Fourier transform infrared spectroscopy

Oil & gas; Oilfield

A technique for quantitative mineralogical analysis of a sample of rock by measuring the effect of midrange infrared radiation transmitted through the sample. This radiation ...

liquid saturation method

Oil & gas; Oilfield

A technique for measuring the pore volume of a core sample from the difference in its weight when dry and when saturated with a liquid. A clean, dry sample is weighed and then ...

Boyle\'s Law Double Cell

Oil & gas; Oilfield

A technique for measuring the grain volume of a core sample by observing the change in pressure of helium introduced into a chamber containing the sample. The rock sample is ...

Boyle\'s Law Single Cell

Oil & gas; Oilfield

A technique for measuring the pore volume of a core sample by observing the change in pressure of helium introduced into the pore space. The rock sample is held in a core holder ...

retort method

Oil & gas; Oilfield

A technique for measuring the fluid saturations in a core sample by heating the sample and measuring the volumes of water and oil driven off. The sample is crushed and weighed ...