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The Benton Shale (also Benton Formation or Benton Group) is a geologic formation name historically used in Montana, Wyoming, North Dakota, South Dakota, Colorado, Kansas, and Nebraska. [1] In the "mile high" plains in the center of the continent, the named layers preserve marine fossils from the Late Cretaceous Period .
The Colony oil shale development site in August 1973. Colony Shale Oil Project was an oil shale development project at the Piceance Basin near Parachute Creek, Colorado.The project consisted of an oil shale mine and pilot-scale shale oil plant, which used the TOSCO II retorting technology, developed by Tosco Corporation.
The company's reserves are entirely in the Appalachian Basin (92% were in the Marcellus Shale and 8% were in the Utica Shale) and are extracted using hydraulic fracturing. [ 1 ] As of December 31, 2021, the company had 17,729 billion cubic feet (502 billion cubic meters) of estimated proved reserves, of which 61% was natural gas , 21% was ...
Drilling in the Wattenberg Gas Field north of Denver. Oil and gas-producing formations in the Denver Basin. The basin itself forms a petroleum province. Oil and gas have been produced from the Denver Basin since the discovery in 1901 of oil in fractured Pierre Shale at the McKenzie Well, part of the Boulder oil field in Boulder County.
Shell's in situ conversion process has been under development since the early 1980s. [1] In 1997, the first small scale test was conducted on the 30-by-40-foot (9.1 by 12.2 m) Mahogany property test site, located 200 miles (320 km) west of Denver on Colorado's Western Slope in the Piceance Creek Basin.
Colorado is a geologic name applied to certain rocks of Cretaceous age in the North America, particularly in the western Great Plains.. This name was originally applied to classify a group of specific marine formations of shale and chalk known for their importance in Eastern Colorado.
The Piceance Basin contains one of the thickest and richest oil shale deposits in the world and is the focus of most on-going oil shale research and development extraction projects in the U.S. The Piceance Basin has an estimated 1.525 trillion barrels of in-place oil shale resources, and an estimated 43.3 billion tons of in-place nahcolite ...
Drilling in the Wattenberg Gas Field north of Denver, 2005. Although numerous wells had drilled through the Wattenberg Field over the decades, and many drillers and wellsite geologists noticed gas “shows” (indications) in the "J" Sandstone and other strata, the "J" Sandstone and other gas-bearing formations had permeability too low to yield gas in commercial quantities.