18 July 2017

Discovery well

The first oil or gas well drilled in a new field that reveals the presence of a hydrocarbon-bearing reservoir. Subsequent wells are development wells. Compare development […]
18 July 2017

Discrete hydraulic

A BOP control system that utilizes pilot hoses from the surface to transmit hydraulic pressure signals to activate pilot operate valves assigned to functions on the […]
18 July 2017

Displacement fluid

In oilwell cementing, the fluid, usually drilling mud or salt water, that is pumped into the well after the cement is pumped into it to force […]
18 July 2017

Doghouse

1) a small enclosure on the rig floor used as an office for the driller and as a storehouse for small objects. 2) any small building […]