18 July 2017

Cable-tool drilling

A drilling method in which the hole is drilled by dropping a sharply pointed bit on bottom. The bit is attached to a cable, and the […]
18 July 2017

Caprock

1) a disk-like plate of anhydrite, gypsum, limestone, or sulfur overlying most salt domes in the Gulf Coast region. 2) impermeable rock overlying an oil or […]
10 November 2021

Carbon Dioxide (CO2)

An essential building block of nature, it is a natural gas that is highly compressible, highly expansible mixture of hydrocarbons.
18 July 2017

Cased

Pertaining to a wellbore in which casing has been run and cemented. See Casing.