Oil & gas

Oil & gas

Terms concerning oil and gas as a fossil fuel and natural resource.

11Categories 39167Terms

Add a new term

Contributors in Oil & gas

Become a Contributors

Oil & gas > Oilfield

fast formation

Oil & gas; Oilfield

A formation where the velocity of the compressional wave traveling through the borehole fluid is less than the velocity of the shear wave through the surrounding formation. In ...

surrounding bed

Oil & gas; Oilfield

A formation layer above or below the layer being measured by a logging tool. The term is used in particular to describe the adjacent layers above or below a horizontal well. In a ...

shoulder bed

Oil & gas; Oilfield

A formation layer above or below the layer being measured by a logging tool. The term is used in particular in resistivity logging to describe the layers above and below a ...

charged zone

Oil & gas; Oilfield

A formation interval that has become overpressured by the injection of drilling or treatment fluids.

pseudopressure plot

Oil & gas; Oilfield

A plot of real gas pseudopressure (pseudopotential) m(p) versus time function used to analyze gas-well drawdown and buildup tests. The use of the real gas pseudopressure ...

pressure-squared plot

Oil & gas; Oilfield

A plot of p 2 versus time function used to analyze low-pressure gas-well drawdown and buildup tests. The square term arises from substituting a gas-law equation into the ...