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Petrography, Mineralogy, and Reservoir Characteristics of the Upper Cretaceous Mesaverde Group in the East-Central Piceance Basin, Colorado

Description: From abstract: Three closely spaced wells drilled through the Upper Cretaceous Mesaverde Group and were extensively cored and logged in order to identify the factors controlling the occurrence and distribution of gas in low-permeability rocks and to improve recovery technology.
Date: 1989
Creator: Pitman, Janet K.; Pollastro, Richard M. & Spencer, Charles Winthrop
Partner: UNT Libraries Government Documents Department

[Evolution of Sedimentary Basins--Uinta and Piceance Basins: Chapters H and I]

Description: From abstract: Analysis of vitrinite reflectance profiles and surfaces of equal vitrinite reflectance in the southeastern part of the Piceance basin, northwestern Colorado, indicates that burial histories for the Divide Creek anticline and the Grand Hogback are different from those for adjacent synclines. These two positive structures probably reached their present-day thermal maturity before late Eocene folding and before the end of the Laramide orogeny. In contrast, adjacent synclines did not reach their present-day thermal maturity until the end of the Laramide orogeny, or possibly later.
Date: 1989
Creator: Nuccio, Vito F.; Johnson, Ronald Carl & Johnson, Samuel Y.
Partner: UNT Libraries Government Documents Department

Geologic History and Hydrocarbon Potential of Late Cretaceous-Age, Low-Permeability Reservoirs, Piceance Basin, Western Colorado

Description: From abstract: The Piceance basin of western Colorado contains large reserves of natural gas in low-permeability reservoirs of the Late Cretaceous-age Mesaverde Formation or Mesaverde Group. The gas accumulation can be divided into three general zones: a zone of surface-water invasion that extends inward a few miles from present outcrops, a gas-and-waterbearing zone that extends 10-20 miles inward from the water-bearing zone, and a central, predominantly gasbearing zone.
Date: 1989
Creator: Johnson, Ronald Carl
Partner: UNT Libraries Government Documents Department

Depositional Controls on the Late Campanian Sego Sandstone and Implications for Associated Coal-Forming Environments in the Uinta and Piceance Basins

Description: From abstract: This report concerns a comparison of detailed measured sections and geophysical well-log profiles through the Sego allows subsurface identification of both depositional cycles and lateral facies changes.
Date: 1989
Creator: Franczyk, Karen J.
Partner: UNT Libraries Government Documents Department

[Evolution of Sedimentary Basins--Uinta and Piceance Basins: Chapters J and K]

Description: From abstract: This is a report on reconnaissance geologic mapping and isotopic dating of tuff beds in the Uinta Basin of Utah that show that Lake Uinta probably persisted into late Eocene time in the area east of Duchesne and Strawberry Reservoir.
Date: 1989
Creator: Bryant, Bruce; Naeser, Charles W.; Marvin, Richard F. & Mehnert, H. H.
Partner: UNT Libraries Government Documents Department