A Brief Overview of the Cretaceous Mancos Shale in Northeastern Arizona and its Hydrocarbon Potential
KeywordsArizona Geological Survey Open File Reports
MetadataShow full item record
CitationRauzi, S.L. and Spencer, J.E., 2013, A Brief Overview of the Cretaceous Mancos Shale in Northeastern Arizona and its Hydrocarbon Potential. Arizona Geological Survey Open-File Report, OFR-13-08, 8 p.
DescriptionThe recent development of horizontal drilling techniques and application of hydraulic fracturing to horizontal wells has dramatically increased oil and gas production in the U.S., notably in areas where extensive organic-rich shale and calcareous shale deposits are present. Shale and limestone formations that contain hydrocarbons without sufficient porosity and permeability to yield oil and gas with conventional drilling techniques are being reconsidered in light of these technological advances. The Mancos Shale in the San Juan Basin in northwestern New Mexico has become a target of interest because the new technologies have unlocked the potential of unconventional resource plays like the Mancos Shale. Broadhead (2013) described the Mancos Shale oil and Mancos Shale gas plays in New Mexico at the San Juan Basin Energy Conference on March 18-19, 2013. In this report we briefly review the geology of the Mancos Shale in Arizona and consider its potential to yield hydrocarbons with horizontal drilling and hydraulic fracturing.
RightsArizona Geological Survey. All rights reserved.
Collection InformationDocuments in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact email@example.com.
North Bounding Coordinate36.7081
South Bounding Coordinate35.898
West Bounding Coordinate-110.887
East Bounding Coordinate-109.766
Showing items related by title, author, creator and subject.
Unsaturated water movement through paraho retorted oil shale at Anvil Points, ColoradoFreshley, Mark David.; Evans, Daniel D.; Neuman, Shlomo P.; Maddock III, Thomas (The University of Arizona., 1982)Surface retorting of oil shale on a commercial scale will require disposal of large quantities of spent shale, representing a potential environmental problem. Concern is with release and migration of pollutants from spent shale, controlled by water movement in proposed disposal piles. The hydrology of spent-shale disposal was investigated by using a one-dimensional, unsaturated flow model. A disposal pile in final constructed form, a disposal pile constructed over time, and a disposal pile with a revegetated surface were considered. Results of simulation indicate that at water contents proposed by the oil-shale industry, water movement through the disposal piles is a long-term process. Simulation of plants demonstrates that revegetation significantly reduces water storage in the profile. A first-order sensitivity analysis demonstrates that the model is sensitive to parameters controlling supply of water in the profile and less sensitive to parameters controlling movement of water. Recommendations are made for future research in both modeling and field measurements.