An anomalous effect on guard log and early laterolog curves first observed in the Delaware Basin. It can be recognized as an erroneous high-resistivity gradient in conductive beds when these beds are overlaid by thick high resitivity formations.
An anomalous effect on guard log and early laterolog curves first observed in the Delaware Basin. It can be recognized as an erroneous high-resistivity gradient in conductive beds when these beds are overlaid by thick high resitivity formations.