18 July 2017

Acid fracture

To part or open fracture in production hard limestone formations by using a combination of oil and acid or water and acid under high pressure. See […]
18 July 2017

Acidize

To treat oil-bearing limestone or other formations with acid for the purpose of increasing production. Hydrochloric or other acid is injected into the formation under pressure. […]
18 July 2017

Acoustic log

A record of the measurement of porosity, done by comparing depth to the time it takes for a sonic impulse to travel through a given length […]
18 July 2017

Active Heave compensator

An additional device that can be installed on a passive heave compensator system, such as a crown-mounted or drill string compensator. It is designed to improve […]