18 July 2017

Swabbing

1) operation of a lifting device on a wireline to bring well fluids to the surface when the well does not flow naturally. This is a […]
18 July 2017

Tearing down

The act of dismantling a rig at the completion of a well and preparing it for moving to the next location.
18 July 2017

Twist-off

To twist a joint of drill pipe in two by excessive force applied by the rotary table. Many failures which result in parting of the drill […]
18 July 2017

Underream

To enlarge a drill hole below the casing.