Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 49 for “"Seismic interpretation"”.
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Computational seismic interpretation using attention models, texture dissimilarity, and learning
… and transportation. Oil and gas explorers use seismic surveys, both onshore and offshore, to produce detailed images of the various rock types, layers, and their locations beneath the Earth's subsurface. The acquired data undergo a series of processing steps, which require powerful computing …
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3D Seismic Interpretation of Turbidite-Sands from the Gulf of Mexico
… miles southwest of Lafayette. Threedimensional seismic data and some well logs were integrated and analyzed to construct a reasonable geological subsurface image. GeoFrame software from Schlumberger was used in this research. A spatial attention was given to salt diapers. Their influence on sand …
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Hydrocarbon Potential of Ne Libya (Cyrenaica): Sedimentology, Seismic Interpretation and Petroleum System Study
… and Soluq depression).</p> <p>Sedimentology, seismic interpretation and source rock evaluation of the northeastern Libya in the study outlined in the following dissertation indicates that the Cyrenaica area has the most of the petroleum system elements.</p> <p>In Cyrenaica, reservoir potential …
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Seismic interpretation and structural analysis of the Alleghanian fold-thrust belt in Central Alabama
… fold-thrust belt of Alabama, multi-channel seismic and well log data are used to analyze structural elements of the thrust belt. Six horizons were interpreted on the seismic data in two-way travel time and were depth-converted using interval velocities derived from a synthetic seismogram as …
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3-D seismic interpretation in Vacuum field area, Permian basin, Lea County, New Mexico
Includes bibliographical references (pages 103-106).
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An Integrated Well Log and 3D Seismic Interpretation of Missourian Clinoforms, Osage County, Oklahoma
… geophysical data can provide detailed geologic interpretation of the subsurface in Osage County, Oklahoma. Systems tracts and depositional system successions can be interpreted at marginal seismic resolution using well log motif with seismic reflector character within a depositional context. …
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Forward modeling of deepwater outcrop geobodies to enhance seismic interpretation of Ursa field, Gulf of Mexico
Includes bibliographical references (pages 126-137).
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SEISMIC INTERPRETATION AND ANALYSIS OF THE ETOUFFEE RESERVOIR SANDS AND THE SURROUNDING AREA IN TERREBONNE PARISH, SOUTHEAST LOUISIANA
… reserves of about 250 BCFE. Newly acquired 3D seismic data of the area developed in the 1990’s helped identify this prospect. The survey was one of the first to fully explore and provide deeper imagery of the onshore of South Louisiana.</p> <p>This thesis provides an explanation and …
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Tectonostratigraphic evolution of the offshore Gippsland Basin, Victoria, Australia: results from 3D seismic interpretation and 2D section restoration, The
… and stratigraphically interpret a basin-wide 3D seismic data set provided by the Australian Government (Geoscience Australia) and four 2D kinematic reconstruction/restorations through the basin have been completed with Midland Valley's Move software to achieve a better understanding of the …
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Seismic interpretation of the APN area, offshore northwest Java, with emphasis on the role of faults in gas migration
Includes bibliographical references (pages 72-75).
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3-D seismic interpretation of tectonics and sedimentation within the Upper Cretaceous Lewis shale and Fox Hills sandstone, Baggs, Wyoming
Includes bibliographical references (pages 66-69).
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Seismic interpretation, distribution, and basin modelling of natural gas leakage in block 2 of the Orange Basin, offshore South Africa
The aims of this study are to: (1) characterize different natural gas leakage features present throughout the basin, and (2) understand the relationship of natural gas leakage with structural and stratigraphic elements, and (3) quantify liquid/gas hydrocarbon generation, migration and seepage …
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3D seismic attribute analysis and machine learning for reservoir characterization in Taranaki Basin, New Zealand
… and correlating the regional geological data, 3D seismic, and well data by following a sequential workflow. First, seismic interpretation is performed targeting the Kapuni group formations, mainly, the Mangahewa C-sand and Kaimiro D-sand. Synthetic seismograms and well ties are conducted for …
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Seismic amplitude fidelity study for quantitative analysis and its relation to stack-based signal-to-noise ratio estimation using the SEAM Arid model, with application to field data from the Powder River Basin
… and implement quantitative tools to assess the seismic amplitude fidelity for quantitative interpretation in several land acquisition designs, and establish a signal-to-noise ratio (SNR) threshold for adequate quantitative analysis in complex near-surface environments. The first part of the …
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Stratigraphic and structural interpretation of seismic reflection data across selected sections of the Kaapvaal Craton
… describes and interprets eight newly available seismic reflection profiles, acquired by the vibroseis method to 6 seconds TWT, and totaling ~720 km in length. New stratigraphic and structural features are identified across three main regions: the Kaapvaal Craton's western margin, the northern …
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Late Neogene Uplift of the Fairweather Ground on the Basis of Bathymetric and Seismic Data from the Gulf of Alaska
… basement in the Gulf of Alaska are the focus for seismic interpretation using public domain seismic reflection data. The late Tertiary and early Quaternary sections of the Yakataga Formation record a glacial/ interglacial climate change sequence with increasing rates of sedimentation (175 meters …
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IDENTIFYING SALT SUTURE ZONES AND LITHOLOGICAL CHANGES OF THE LOUANN SALT IN THE GULF OF MEXICO BASIN, LA. U.S.A.
… X-ray diffraction (XRD), well-log data, and 3D seismic interpretation, the study analyzed salt composition and suture formation. Results show the salt primarily consists of halite, with minor anhydrite, gypsum, and sylvite, indicating continuous precipitation. Geochemical analysis identifies …
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Improving Seismic-to-well Ties
Seismic-to-well ties are important for seismic interpretation and impedance inversion. Reflectivity can be calculated directly from well logs while its estimation from seismic data requires the determination of the seismic wavelet and the removal of the same. In the presence of anelastic …
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Anomalous transport through porous and fractured media
… media. Finally, we propose a joint flow-seismic inversion methodology for characterizing fractured reservoirs. Traditionally, seismic interpretation of subsurface structures is performed without any account of flow behavior. With the proposed methodology, we reduce the uncertainty by …
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Hazard Identification and Coastal Stratigraphy in Crescent Harbor, Northeast Whidbey Island, Washington
… Whidbey Island, records evidence of co-seismic land-level change 1825 to 1925 cal. yrs. BP. The lithostratigraphy and diatom microfossil assemblages reveal a marsh peat abruptly overlain by intertidal mud, indicating rapid subsidence. Analysis of the modern-day position of depositional …
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