05.07.2009
Removing fluid from the tubing in a well, often by means of a swab, to lower the bottomhole pressure in the wellbore at the perforations and induce the well to flow
Fuel manufactured without the addition of antiknock. It has a slightly lower octane rating than leaded petrol, but has the advantage of not polluting the atmosphere with lead compounds
A single geological petroleum structure or petroleum field which includes gas and/or oil and which extends over more than one block
The EPA is an agency of the Federal government of the US which is responsible for protecting human health and safeguarding the natural environment: air, water and land. It began operations in 1970 and is chiefly responsible for the environmental policy of the United States