The phase of petroleum operations that occurs after exploration has proven successful, and before full-scale production. The newly discovered oil or gas field is assessed during ...
1. The spontaneous movement and scattering of particles of liquids, gases, or solids. 2. The migration of dissolved substances from an area of high concentration ...
The surface area overlying an oil reservoir or reservoirs. The term usually includes not only the surface area, but also the reservoir, the wells, and ...