U.S. Geological Survey Digital Data Series DDS–69–G National Assessment of Oil and Gas Project |
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Facies Analysis and Sequence Stratigraphic Framework of Upper U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY For sale by U.S. Geological Survey Information Services For more information about the U.S. Geological Survey and its products: Introduction The purpose of the U.S. Geological Survey's National Oil and Gas Assessment is to develop geologically based hypotheses regarding the potential for additions to oil and gas reserves in priority areas of the United States. This study was completed in support of the oil and gas assessment of the Uinta-Piceance Province. The study develops a sequence stratigraphic framework for about 600 ft of Upper Cretaceous strata that are exposed in the Book Cliffs and traceable into the adjacent subsurface areas, between Grand Junction, Colorado, and Green River, Utah, a distance of about 100 mi. About 25 stratigraphic sections were measured on outcrop, four subsurface cross sections were constructed from oil and gas drill holes, and three cores were described to calibrate the geophysical logs to the rock record. Facies and sequence-stratigraphic analysis identifies six high-resolution sequences within part of the Sego Sandstone and the Neslen Formation in Utah, equivalent strata of the Mancos Shale and Mount Garfield Formation in Colorado, and part of the Bluecastle Tongue of the Castlegate Sandstone. The USGS used this geologic framework to define one total petroleum system and four assessment units within the total petroleum system, and quantitatively estimated the undiscovered coalbed gas resources within each assessment unit Contact Information This volume is one of a series of products resulting from the National Oil and Gas Assessment project of the U.S. Geological Survey. Inquiries about this CD-ROM or the project should be addressed to: Mark A. Kirschbaum Telephone: (303) 236-7792 Disclaimer This Compact Disc-Read Only Memory (CD-ROM) publication is prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, make any warranty, expressed or implied, or assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report, or represent that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. Although all data and software published on this CD-ROM are used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials and (or) the functioning of the software. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data, the software, or related materials. Using This CD The descriptive and interpretive text chapters of this volume are in Portable Document Format (PDF). Use Acrobat Reader 6.0 (installer for Macintosh and Windows provided on this CD) to access and bring up these chapters. The PDF chapters are accessible as defined by Section 508 of the Rehabilitation Act. Contents of This CD-ROM When the CD is opened, the following folders appear on the screen: System Requirements MAC OS
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