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Browse recent USGS publications related to energy resources. 

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Mapping of compositional properties of coal using isometric log-ratio transformation and sequential Gaussian simulation – A comparative study for spatial ultimate analyses data Mapping of compositional properties of coal using isometric log-ratio transformation and sequential Gaussian simulation – A comparative study for spatial ultimate analyses data

Chemical properties of coal largely determine coal handling, processing, beneficiation methods, and design of coal-fired power plants. Furthermore, these properties impact coal strength, coal blending during mining, as well as coal's gas content, which is important for mining safety. In order for these processes and quantitative predictions to be successful, safer, and economically...
Authors
C. Ozgen Karacan, Ricardo A. Olea

3D Pressure‐limited approach to model and estimate CO2 injection and storage capacity: saline Mount Simon Formation 3D Pressure‐limited approach to model and estimate CO2 injection and storage capacity: saline Mount Simon Formation

To estimate the carbon dioxide (CO2) injection and storage capacity of saline formations, we used Tough2‐ECO2N simulation software to develop a pressure‐limited (dynamic) simulation approach based on applying three‐dimensional (3D) numerical simulation only on the effective injection area (Aeff) surrounding each injection well. A statistical analysis was performed to account for existing...
Authors
Hossein Jahediesfanjani, Peter D. Warwick, Steven T. Anderson

USGS assessment of water and proppant requirements and water production associated with undiscovered petroleum in the Bakken and Three Forks Formations USGS assessment of water and proppant requirements and water production associated with undiscovered petroleum in the Bakken and Three Forks Formations

The U.S. Geological Survey (USGS) has conducted an assessment of water and proppant requirements, and water production volumes, associated with possible future production of undiscovered petroleum resources in the Bakken and Three Forks Formations, Williston Basin, USA. This water and proppant assessment builds directly from the 2013 USGS petroleum assessment for the Bakken and Three...
Authors
Seth S. Haines, Brian A. Varela, Sarah J. Hawkins, Nicholas J. Gianoutsos, Marilyn E. Tennyson

Documenting mudstone heterogeneity by use of principal component analysis of X-ray diffraction and portable X-ray fluorescence data: A case study in the Triassic Shublik Formation, Alaska North Slope Documenting mudstone heterogeneity by use of principal component analysis of X-ray diffraction and portable X-ray fluorescence data: A case study in the Triassic Shublik Formation, Alaska North Slope

Determining the chemical and mineralogical variability within fine-grained mudrocks poses analytical challenges but is potentially useful for documenting subtle stratigraphic differences in physicochemical environments that may influence petroleum reservoir properties and behavior. In this study, we investigate the utility of combining principal component analysis (PCA) of X-ray...
Authors
Adam Boehlke, Katherine J. Whidden, William Benzel

Mineralogical characterization of weathered outcrops as a tool for constraining water chemistry predictions during project planning Mineralogical characterization of weathered outcrops as a tool for constraining water chemistry predictions during project planning

Weathered samples from naturally exposed outcrops of troctolite associated with a magmatic Ni-Cu sulphide deposit were characterized by synchrotron-based micro-X-ray fluorescence mapping (µ-XRF) and X-ray absorption spectroscopy (XAS), as well as by lab-based X-ray diffraction, electron microscopy, Raman spectroscopy and wet chemical methods. Metal mobility in weathered samples was...
Authors
Tamara Diedrich, Paul Fix, Andrea L. Foster

Case study - Dynamic pressure-limited capacity and costs of CO2 storage in the Mount Simon sandstone Case study - Dynamic pressure-limited capacity and costs of CO2 storage in the Mount Simon sandstone

Widespread deployment of carbon capture and storage (CCS) is likely necessary to be able to satisfy baseload electricity demand, to maintain diversity in the energy mix, and to achieve climate and other objectives at the lowest cost. If all of the carbon dioxide (CO2) emissions from stationary sources (such as fossil-fuel burning power plants, and other industrial plants) in the United...
Authors
Steven T. Anderson, Hossein Jahediesfanjani

Estimating thermal maturity in the Eagle Ford Shale petroleum system using gas gravity data Estimating thermal maturity in the Eagle Ford Shale petroleum system using gas gravity data

Basin-wide datasets that provide information on the geochemical properties of petroleum systems, such as source rock quality, product composition, and thermal maturity, are often difficult to come by or assemble from publicly available data. When published studies are available and include these kinds of properties, they generally have few sampling locations and limited numbers and types...
Authors
Justin E. Birdwell, Scott A. Kinney

Geologic sources of energy Geologic sources of energy

This chapter describes the exploration, development, and geologic setting of petroleum resources (including tar sands), coal resources (including coalbed methane), and geothermal energy resources of the Northern Cordillera.For petroleum resources, the chapter describes: (1) the history of petroleum development and production, first for Alaska and then for the Canadian Cordillera; and (2)
Authors
Thomas K. Bundtzen, Warren J. Nokleberg
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