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  April 5, 2021

  USGS National and Global Oil and Gas Assessment Project-Gulf Coast Mesozoic Province, Upper Cretaceous Austin Chalk Group and Tokio and Eutaw Formations Assessment Units and Input Data Forms

  This data release contains the boundaries of assessment units and input data for the assessment of oil and gas resources in the Upper Cretaceous Austin Chalk Group and Tokio and Eutaw Formations in Texas, Louisiana, Mississippi, Alabama, Florida and Arkansas. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources

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  Central Energy Resources Science Center

  October 14, 2020

  Data Release for "Comparability and reproducibility of biomarker ratio values measured by GC-QQQ-MS"

  This data release includes biomarker ratio values calculated from measurements made at the USGS for the reference oil NSO-1 that were reported in a journal article entitled Comparability and reproducibility of biomarker ratio values measured by GC-QQQ-MS (French et al., 2020). French, K.L., Leider, A., and Hallmann, C., 2020, Comparability and reproducibility of biomarker ratio values measured

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  Central Energy Resources Science Center

  September 22, 2020

  USGS National and Global Assessment Project-Sacramento Basin, Conventional and Continuous Assessment Unit Boundaries and Assessment Input Forms

  This data release contains the boundaries of assessment units and input data for the assessment of undiscovered gas resources of the Sacramento Basin province in California. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleu

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  Central Energy Resources Science Center

  August 3, 2020

  Organic petrographic evaluation of carbonaceous material in sediments of the Kinnickinnic River, Milwaukee, WI, U.S.A.

  This study describes the application of organic petrology techniques to quantify the amount of coal and carbonaceous combustion by-products (i.e., coke, coal tar/pitch, cenospheres) in sediments taken from the Kinnickinnic River adjacent to the former site of the Milwaukee Solvay Coke and Gas Company. The site produced metallurgical coke and coal-gasification by-products from 1902-1983 and was ass

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  Energy Resources Program, Geology, Energy & Minerals Science Center

  July 27, 2020

  Input forms for 2019 water and proppant assessment of the Eagle Ford Group, Gulf Coast, Texas

  The input form provides a record of the complete input values required for the quantitative assessment of water and proppant associated with oil and gas production for the continuous oil and gas resource in a geologically defined Assessment Unit. The same input form template is used for all such assessments. Each USGS water and proppant assessment builds from a USGS petroleum assessment that provi

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  Central Energy Resources Science Center

  June 12, 2020

  Nanoscale Molecular Composition of Solid Bitumen from the Eagle Ford Group Across a Natural Thermal Maturity Gradient

  Solid bitumen is a petrographically-defined secondary organic matter residue produced during petroleum generation and subsequent oil transformation. The presence of solid bitumen impacts many shale reservoir properties including porosity, permeability, and hydrocarbon generation and storage, amongst others. Furthermore, solid bitumen reflectance is an important parameter for assessing the thermal

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  Energy Resources Program, Geology, Energy & Minerals Science Center