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Multicomponent Seismic Characterization Of The Utica Shale
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Book Synopsis Multicomponent-seismic Characterization of the Utica Shale by : Ahmet Serkan Kabakci
Download or read book Multicomponent-seismic Characterization of the Utica Shale written by Ahmet Serkan Kabakci and published by . This book was released on 2015 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent development of gas shales in North America yield worldwide interest in gas production from shale formations. The methodology used in this thesis was to demonstrate multicomponent seismic technology for the characterization of shale-gas systems. The study area covers the Utica Shale across the Appalachian Basin in Bradford County, Pennsylvania. Concepts documented in this thesis can be used for other shale-gas systems. Unlike most shale-gas system studies, S-wave modes were used in addition to P-wave data in this study to better characterize the Utica Shale. Fast S-converted shear (P-SV1) and slow S-converted-shear (P-SV2) volumes provide new seismic imaging options for shale-gas studies and enable expanded seismic attributes that can be used to characterize shale-gas systems.
Book Synopsis Multicomponent 3D Seismic Interpretation of the Marcellus Shale Bradford County, Pennsylvania by : Mouna Gargouri
Download or read book Multicomponent 3D Seismic Interpretation of the Marcellus Shale Bradford County, Pennsylvania written by Mouna Gargouri and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: High spatial variability of petrophysical and petrochemical properties of the Marcellus formation was reported by Hill et al. (2002). This creates a major challenge in reservoir characterization with conventional seismic data. An investigation into the potential of integrated compressional P-wave and converted-wave seismic interpretation, to help characterize geological properties of the Devonian Marcellus shale, has been conducted based on the 3C-3D data set acquired. Synthetic and real seismic data have been used to conduct this evaluation. Interval Vp/Vs analysis has been performed and the Poisson's ratio was generated to map lateral changes in lithology and rock properties. Sweet spots are interpreted to area with high quartz, an anomalous low Vp/Vs. The Vp/Vs Marcellus map shows the lateral lithological variability and therefore brittle areas. An inversion was run for the compressional P and the converted PS sections to examine the anomalies observed within the Vp/Vs map. The anomalies distinguished within the Vp/Vs map were noticeable in the inversion sections. The inversion was followed by a seismic attribute analysis to understand the distribution of fractures. The curvature and the coherency attributes delivered highly fractured area and major faults. This study documents the results of an integrated workflow of seismic interpretation, seismic inversion and seismic attribute analysis. It illustrates the potential of the Vp/Vs analysis to discriminate between shale-rich and sand-rich material and the ability of the curvature and coherency attribute to potentially highlight zones of intense fracturing.
Book Synopsis Stratigraphic Reservoir Characterization for Petroleum Geologists, Geophysicists, and Engineers by : Roger M. Slatt
Download or read book Stratigraphic Reservoir Characterization for Petroleum Geologists, Geophysicists, and Engineers written by Roger M. Slatt and published by Elsevier Inc. Chapters. This book was released on 2013-11-21 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many tools and techniques for characterizing oil and gas reservoirs. Seismic-reflection techniques include conventional 2D and 3D seismic, 4D time-lapse seismic, multicomponent seismic, crosswell seismic, seismic inversion, and seismic attribute analysis, all designed to enhance stratigraphy/structure detection, resolution, and characterization. These techniques are constantly being improved. Drilling and coring a well provides the “ground truth” for seismic interpretation. Rock formations are directly sampled by cuttings and by core and indirectly characterized with a variety of conventional and specialized well logs. To maximize characterization and optimize production, many of these tools as possible should be employed. It is often less expensive to utilize a wide variety of tools that directly image or measure reservoir properties at different scales than to drill one or two dry holes.
Book Synopsis Exploring Hydrocarbon-bearing Shale Formations with Multi-component Seismic Technology and Evaluating Direct Shear Modes Produced by Vertical-force Sources by : Engin Alkan
Download or read book Exploring Hydrocarbon-bearing Shale Formations with Multi-component Seismic Technology and Evaluating Direct Shear Modes Produced by Vertical-force Sources written by Engin Alkan and published by . This book was released on 2012 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is essential to understand natural fracture systems embedded in shale-gas reservoirs and the stress fields that influence how induced fractures form in targeted shale units. Multicomponent seismic technology and elastic seismic stratigraphy allow geologic formations to be better images through analysis of different S-wave modes as well as the P-wave mode. Significant amounts of energy produced by P-wave sources radiate through the Earth as downgoing SV-wave energy. A vertical-force source is an effective source for direct SV radiation and provides a pure shear-wave mode (SV-SV) that should reveal crucial information about geologic surfaces located in anisotropic media. SV-SV shear wave modes should carry important information about petrophysical characteristics of hydrocarbon systems that cannot be obtained using other elastic-wave modes. Regardless of the difficulties of extracting good-quality SV-SV signal, direct shear waves as well as direct P and converted S energy should be accounted for in 3C seismic studies. Acquisition of full-azimuth seismic data and sampling data at small intervals over long offsets are required for detailed anisotropy analysis. If 3C3D data can be acquired with improved signal-to-noise ratio, more uniform illumination of targets, increased lateral resolution, more accurate amplitude attributes, and better multiple attenuation, such data will have strong interest by the industry. The objectives of this research are: (1) determine the feasibility of extracting direct SV-SV common-mid-point sections from 3-C seismic surveys, (2) improve the exploration for stratigraphic traps by developing systematic relationship between petrophysical properties and combinations of P and S wave modes, (3) create compelling examples illustrating how hydrocarbon-bearing reservoirs in low-permeable rocks (particularly anisotropic shale formations) can be better characterized using different S-wave modes (P-SV, SV-SV) in addition to the conventional P-P modes, and (4) analyze P and S radiation patterns produced by a variety of seismic sources. The research done in this study has contributed to understanding the physics involved in direct-S radiation from vertical-force source stations. A U.S. Patent issued to the Board of Regents of the University of Texas System now protects the intellectual property the Exploration Geophysics Laboratory has developed related to S-wave generation by vertical-force sources. The University's Office of Technology Commercialization is actively engaged in commercializing this new S-wave reflection seismic technology on behalf of the Board of Regents.
Book Synopsis Geomechanical Investigation and Characterization of a Utica Shale Producing Well in Southeastern Ohio by : Ian Laird Thomasset
Download or read book Geomechanical Investigation and Characterization of a Utica Shale Producing Well in Southeastern Ohio written by Ian Laird Thomasset and published by . This book was released on 2018 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Substitution Theories and Multicomponent Seismic Characterization of Fractured Reservoirs by : Reynaldo Cardona
Download or read book Fluid Substitution Theories and Multicomponent Seismic Characterization of Fractured Reservoirs written by Reynaldo Cardona and published by . This book was released on 2002 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 3D Seismic Interpretation, Mechanical Stratigraphy and Production Analysis of the Marcellus Shale in Northern West Virginia by : Mollie K. Kish
Download or read book 3D Seismic Interpretation, Mechanical Stratigraphy and Production Analysis of the Marcellus Shale in Northern West Virginia written by Mollie K. Kish and published by . This book was released on 2015 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unconventional Woodford Shale Characterization Using Seismic Anisotropy by : Oluwatobiloba Francis Oyebanji
Download or read book Unconventional Woodford Shale Characterization Using Seismic Anisotropy written by Oluwatobiloba Francis Oyebanji and published by . This book was released on 2019 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stratigraphic Reservoir Characterization for Petroleum Geologists, Geophysicists, and Engineers by : Roger M. Slatt
Download or read book Stratigraphic Reservoir Characterization for Petroleum Geologists, Geophysicists, and Engineers written by Roger M. Slatt and published by Elsevier Inc. Chapters. This book was released on 2013-11-21 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Certain parts of this chapter have been taken directly from the publication Important geological properties of unconventional resource shales, by Roger M. Slatt, published in the fourth-quarter issue of the Central European Journal of Geosciences (2011). The journal’s permission to reproduce those parts of that paper here is gratefully acknowledged.
Book Synopsis 3D Seismic Interpretation and Well Log Analysis of the Marcellus Shale of the Appalachian Basin at Taylor County, West Virginia by : Lierong Zhu
Download or read book 3D Seismic Interpretation and Well Log Analysis of the Marcellus Shale of the Appalachian Basin at Taylor County, West Virginia written by Lierong Zhu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Characterization of the Eagle Ford Shale Based on Rock Physics by : Ricardo Zavala-Torres
Download or read book Seismic Characterization of the Eagle Ford Shale Based on Rock Physics written by Ricardo Zavala-Torres and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The findings of this dissertation on seismic characterization of the Eagle Ford Shale based on rock physics using actual well-log data from productive and unproductive wells in Mexico can be immediately and effectively applied to avoid future failures and can be corroborated with current and new locations for exploration and production. It was found that basic sequence stratigraphy techniques developed for unconventional reservoirs can be applied to the case of the Eagle Ford Shale in Mexico. Using well log correlation and petrophysical techniques to estimate reservoir properties, it was concluded that the zone where the horizontal well was drilled at Montanes-1 was located above the condensed sequence, bypassing the pay zone below the maximum flooding surface in the transgressive system track. It is verified that the productive well Emergente-1 was drilled in the correct zone with hydrocarbon saturation at the transgressive system track below the maximum flooding surface. It was found that using mineral assessment methods to compute brittleness, and the proper geosteering analysis is a consistent approach for placement of future horizontals. Based on that, it is concluded that any estimation of rock physics and anisotropic parameters derived from well logs at the source rock interval will be deceiving and will give a false estimation. It was concluded that the isotropic rock physic model known as friable-sand or modified friable-shale (unconsolidated sand or unconsolidated shale), or most recently called “soft-sand model”, was proved to match the data better than any other rock physic model tested to predict velocity and density. The term “non-source rock model” will be used instead for the rock physic model because it is more consistent with the Eagle Ford Shale case analyzed here. For the orientation of maximum horizontal stress, it is concluded by integrating VSP, microseismic and borehole data, that a straight north-south orientation of future horizontals is needed in order to generate the fractures in the straight east-west azimuth correlating with the maximum horizontal stress orientation.
Book Synopsis Forward Modeling and Interpretation of Multicomponent Seismic Data for Fracture Characterization, Weyburn Field, Saskatchewan by : Micah Daniel Reasnor
Download or read book Forward Modeling and Interpretation of Multicomponent Seismic Data for Fracture Characterization, Weyburn Field, Saskatchewan written by Micah Daniel Reasnor and published by . This book was released on 2001 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time-lapse Characterization of the Niobrara Reservoir from Multicomponent Seismic Data, Wattenberg Field, Colorado by : Taraneh Motamedi
Download or read book Time-lapse Characterization of the Niobrara Reservoir from Multicomponent Seismic Data, Wattenberg Field, Colorado written by Taraneh Motamedi and published by . This book was released on 2015 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicomponent Seismic Reservoir Characterization of a Steam-assisted Gravity Drainage (SAGD) Heavy Oil Project, Athabasca Oil Sands, Alberta by : Kelsey Kristine Schiltz
Download or read book Multicomponent Seismic Reservoir Characterization of a Steam-assisted Gravity Drainage (SAGD) Heavy Oil Project, Athabasca Oil Sands, Alberta written by Kelsey Kristine Schiltz and published by . This book was released on 2013 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integration of Surface Seismic, Microseismic, and Production Logs for Shale Gas Characterization by : John Henry Alzate Buitrago
Download or read book Integration of Surface Seismic, Microseismic, and Production Logs for Shale Gas Characterization written by John Henry Alzate Buitrago and published by . This book was released on 2012 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-scale and Integrated Characterization of the Marcellus Shale in the Appalachian Basin by :
Download or read book Multi-scale and Integrated Characterization of the Marcellus Shale in the Appalachian Basin written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic data from the Department of Energy Eastern Gas Shale Project (ESGP) were compiled to develop a database of geochemical analyses, well logs, lithological and natural fracture descriptions from oriented core, and reservoir parameters. The nine EGSP wells were located throughout the Appalachian Basin and intercepted the Marcellus Shale from depths of 750 meters (2500 ft) to 2500 meters (8200 ft). A primary goal of this research is to use these existing data to help construct a geologic framework model of the Marcellus Shale across the basin and link rock properties to gas productivity. In addition to the historic data, x-ray computerized tomography (CT) of entire cores with a voxel resolution of 240mm and optical microscopy to quantify mineral and organic volumes was performed. Porosity and permeability measurements in a high resolution, steady-state flow apparatus are also planned. Earth Vision software was utilized to display and perform volumetric calculations on individual wells, small areas with several horizontal wells, and on a regional basis. The results indicate that the lithologic character of the Marcellus Shale changes across the basin. Gas productivity appears to be influenced by the properties of the organic material and the mineral composition of the rock, local and regional structural features, the current state of in-situ stress, and lithologic controls on the geometry of induced fractures during stimulations. The recoverable gas volume from the Marcellus Shale is variable over the vertical stratigraphic section, as well as laterally across the basin. The results from this study are expected to help improve the assessment of the resource, and help optimize the recovery of natural gas.
Book Synopsis Mineralogical and Facies Variations Within the Utica Shale, Ohio Using Visible Derivative Spectroscopy, Principal Component Analysis, and Multivariate Clustering by : Julie M Bloxson (Bloxson)
Download or read book Mineralogical and Facies Variations Within the Utica Shale, Ohio Using Visible Derivative Spectroscopy, Principal Component Analysis, and Multivariate Clustering written by Julie M Bloxson (Bloxson) and published by . This book was released on 2017 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ordovician Utica Shale is an extensive and important part of the Appalachian Basin subsurface, providing a source for Paleozoic hydrocarbon reservoirs, acting as an unconventional hydrocarbon reservoir, and of interest as an impermeable cap rock for carbon dioxide sequestration in Cambrian formations. The Utica Shale is mostly in the subsurface, with little outcrops in areas of interest, and those that do exist are typically within the Appalachian Mountains (New York). To observe changes in subsurface formations, a combination of core and well logging can provide an extensive look into the subsurface. Here we present a non-destructive core-logging technique to quickly assess mineralogy variations on the Ordovician Trenton/Lexington Limestone, Point Pleasant Formation, and Utica Shale in Ohio. These core logging results, along with several previously measured core mineralogy, were then correlated to well logging electrofacies to extrapolate mineralogy and rock type from a few location to across the state. These were then mapped to identify controls on deposition during the Upper Ordovician in Ohio. Although typically assumed that the only controls on deposition during this time period are the primarily the Appalachian, and to a lesser extent Michigan, Basins, Precambrian basement structures, such as the Waverly Arch, Utica Mountain Fault, and Harlem Fault, have influence on deposition and sediment mixing also. Finally, the Sebree Trough, which has previously been reported to stop in southwest Ohio, appears to have allowed for dark, calcite-poor shales to continue deposition towards northeast Ohio, as a possible trough-like feature extending off of the Sebree Trough. The Trenton/Lexington Limestones, Point Pleasant Formation, and Utica Shale are not homogenous rock types, deposited across the state, but rather variable in both facies and thickness.
