Colcrete

Proprietary equipment to measure the workability of annulus grout.

Cold Bend

To force the pipe into a curvature without damage, using no special tools, equipment or elevated temperatures.

Colebrook White Prandtl

A formula for calculating the flow through pipes.

Collapse

Critical failure of a pipeline when its structural fabric disintegrates.

Collaring

The initial entry of casing or a cutting head into the earth.