18 July 2017

Rathole

1) a hole in the rig floor, 30 to 35 ft (9 to 11 m) deep, which is lined with casing that projects above the floor […]
18 July 2017

Reaming

The operations of smoothing the wellbore, enlarging the hole to the desired size, straightening dog legs, and assist in directional drilling.
18 July 2017

Reeve

To pass (as a rope) through a hole or opening in a block or similar device.
18 July 2017

Relative permeability

The ratio of effective permeability to absolute permeability. The relative permeability of rock to a single fluid is 1.0 when only that fluid is present, and […]