...and complex combination of folding, faulting and stratigraphic variations. A petroleum province is a region in which a number of oil and gas pools and fields occur in a smaller or related geological environment. Since the term is loosely used to indicate the larger producing...

...profitable production. Percentile The specific 100th part of a mathematical distribution. Petroleum Province A region in which a number of oil and gas pools and fields occur in a similar or related geologic environment. Petroleum Reserves Specific accumulations of oil whose location, quality, and...