دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: when oil and gas are found in the same reservoir under pressure, the drilling of a well into the reservoir releases the pressure, causing the gas to expand. The expanding gas drives the oil toward and up the well bore. The expansive energy of the gas can be harnessed whether the gas is in solution or forming a cap above the oil.