18 July 2017
A borehole; the hole drilled by the bit. A wellbore may have casing in it or it may be open (uncased); or part of it may […]
18 July 2017
The equipment installed at the surface of the wellbore. A wellhead includes such equipment as the casing head and tubing head. adj pertaining to the wellhead […]
18 July 2017
A long steel casing that uses an inclined plane to cause the bit to deflect from the original borehole at a slight angle. Whipstock are sometimes […]
18 July 2017
1) a well drilled in an area where no oil or gas production exists. 2) [nautical] the geared sheave of a windlass used to pull anchor […]