An operation including any of the following: (1) Completing a well in an additional zone. (2) Deepening a well from one zone to another zone. (3) Sidetracking to purposely alter the location of the bottom of the well, but not including sidetracking for the sole purpose of bypassing obstructions in the borehole. (4) Plugging back from one zone to another zone. (5) Conversion of an oil or gas well to a service well in a different zone. (6) Conversion of a service well to an oil or gas well in a different zone.
A term used in natural resource industries to describe the amount of resources identified in a reserve that is technologically or economically feasible to extract. A new reserve can be discovered, but if the resource cannot be extracted by any known technological methods, then it would not be considered part of recoverable reserves. Recoverable reserves are often referred to as proved reserves.
That proportion of the oil and/gas in a reservoir that can be removed using currently available techniques.
To enter a previously abandoned well.
The underground formation where oil and gas has collected. It consists of a porous rock to hold the oil or gas, and a cap rock that keeps it contained.
A pipe that connects a seabed BOP and a floating drilling rig.
The section of pipework that joins a seabed wellhead to the Christmas tree.
Drill crew members who work on the derrick floor, connecting the sections of drill pipe when running or pulling a drill string.
Drill crew members who handle the loading and unloading of equipment and assist in general operations and labor on the rig.
The cash or kind paid to the owner of mineral rights.