McKittrick Oil Field the Teapot Dome Scandal of the Warren G. Harding administration; adjacent to the southwest is the Belgian Anticline Oil Field, along Route 58; and to the southeast is the huge Midway-Sunset Oil Field, the third largest oil field in the United States. The total productive area of the field is . The field is about long on the southeast to northwest axis, and about across. The predominant geologic feature, and the one that makes the McKittrick field distinctive, is the presence of a huge block of Monterey shale – more than long, approximately wide, and up to thick – which
History of the oil shale industry in the United States west of the Mississippi River. These include some, such as the Woodford Shale of Oklahoma, which are near-stratigraphic equivalents to the Devonian/Mississippian shales of the eastern US. The largest oil-shale resource in the world is contained in the Eocene Green River Formation in Colorado, Utah, and Wyoming in three basins: the Piceance Basin, Green River Basin, and Uinta Basin. The Green River oil shales have been the focus of most efforts of the past hundred years to establish an American oil shale industry. The Green River oil “shale” is actually a marl, and some beds yield up to 70 gallons