Oilfield

Oilfield

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

Contributors in Oilfield

Oilfield

A specific gravity scale developed by the American Petroleum Institute (API) for measuring the relative density of various petroleum liquids, expressed in degrees. API gravity is gradated in degrees ...

overflush

Oil & gas; Oilfield

A specially prepared fluid used to displace matrix acid treatments away from the wellbore at the conclusion of a stimulation treatment. The overflush is typically formulated from a weak acid solution ...

perforating fluid

Oil & gas; Oilfield

A specially prepared fluid placed in the wellbore over the interval to be perforated. The ideal fluid is clean and solids-free (filtered), and will not react to cause damaging by-products on contact ...

corrosion-resistant alloy (CRA)

Oil & gas; Oilfield

A specially formulated material used for completion components in wells likely to present corrosion problems. Corrosion-resistant alloys can be formulated for a wide range of aggressive wellbore ...

tie-back packer

Oil & gas; Oilfield

A specially designed packer assembly used in conjunction with a tie-back liner. The tie-back packer can be integral to the original liner hanger, or if the tie-back is a remedial treatment, it can be ...

frac gun

Oil & gas; Oilfield

A specialized perforating-gun system that contains shaped charges loaded at 0掳, 60掳, 120掳, or 180掳 phase angles to provide a casing entrance hole of approximately 0. 5 in. (1. 3 cm), which is ...

crossover service tool

Oil & gas; Oilfield

A specialized tool, frequently used in gravel-pack operations, that enables the circulation of the treatment fluid (slurry) from the internal flow path of the tool string into the annulus area to be ...