The '''play''' consists of one or more geologically related prospects, and a '''prospect''' is a potential trap that must be evaluated by drilling to determine whether it contains commercial quantities of petroleum. Once drilling is complete, the term “prospect” is dropped; the site becomes either a [[dry hole]] or a producing field. | The '''play''' consists of one or more geologically related prospects, and a '''prospect''' is a potential trap that must be evaluated by drilling to determine whether it contains commercial quantities of petroleum. Once drilling is complete, the term “prospect” is dropped; the site becomes either a [[dry hole]] or a producing field. |