Abstract: Applications of Consistent Surface Corrections to Seismic Data

M. Turhan Taner, James I. Broaddus

GCAGS Transactions

... the basis for geophysical interpretation. These properties, however, are usually masked by irregularities originating on or near the surface. Such irregular...

Application of Geophysical and Geotechnical Methods to Determine the Geotechnical Characteristics of a Reclaimed Land; #70255 (2017)

Olusegun O. Adewoyin, Emmanuel O. Joshua, Marvel L. Akinyemi

Search and Discovery.com

... Abstract Near-surface seismic refraction method and electrical resistivity methods were used to characterize the subsurface of a site reclaimed from...

The Preparation of Seismic Depth Maps in Oil Exploration

A. E. Pallister

CSPG Bulletin

.... 706-724. Baillie, W., and Rozsa, T., 1956, "Topographic Effect on Near-Surface Velocities," Geophysics, Vol. XXI, No. 4, pp. 960-968. White, R. J...

Determination of Vp, Vs, glacial drift thickness and Poisson's ratio at a site in Jay County, Indiana, using seismic refraction and multichannel analysis of surface wave (MASW) analysis on a common data set

Search and Discovery.com

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

..., therefore, try to make use of converted ,-,:aves in offshi9f:e areas. • Lateral variations of near surface velocities are much larger for S-waves than for P...

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

... generated at the surface, at the base of a low velocity layer, by a channel, or by standing waves within a near-surface or water layer. The simple multiple...

Tomography for Near

Search and Discovery.com

Seismic Reflection Measurements of Northwest Australian Margin and Adjacent Deeps

J. J. Veevers , D. A. Falvey , L. V. Hawkins , W. J. Ludwig

AAPG Bulletin

... indicate the near-surface sediment types. VERTICAL REFLECTION PROFILES Line drawings of the seismic-reflection profiles recorded along the traverses...

Relative Importance of Processes That Govern the Generation of Particulate Hyperpycnal Flows

M. Felix, J. Peakall, W.D. McCaffrey

Journal of Sedimentary Research (SEPM)

... the stratification is different than in the salt-wedge estuary. In a fjord there is a fresh-water layer near the surface which overlies the deeper water...

Problems in Reflection Seismology

G. H. Westby

Tulsa Geological Society

... to give velocities slightly higher than normal. It should be used only in areas where the plane of the surface and subsurface are nearly parallel...

Refraction Profiles Over the Southern Rocky Mountain Trench Area of British Columbia

A. T. Lamb, D. W. Smith

CSPG Bulletin

... inline refraction profiles and seven cross spreads oriented parallel to the Trench. Excluding a small amount of near surface weathering material...

EXPLORATION PROBLEMS OF THE WILLISTON BASIN*

K. E. BURG

Montana Geological Society

... buried beneath 150 feet of normal high velocity near-surface material. In places this buried low velocity layer extends to depths greater...

Integrated Surface-Downhole Acquisition Geometries … The Way to Higher Detailed Reservoir Investigation

A.A. Tabakov, K.V. Baranov

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of principal limitations. Surface seismic (especially when carried out in complicated topographic conditions) suffers from near-surface uncertainties...

Geophysical Investigation for Groundwater Exploration at UKM's Kuala Pilah Matriculation Centre, Negeri Sembilan

Abdul Rahim Samsudin, Abdul Ghani Rafek, Umar Hamzah

Geological Society of Malaysia (GSM)

... localities within the study area. This conductive layer could be associated with near surface water saturated zone or aquifer. However based on seismic data...

Abstract: A Strategy for Near-Surface Model Construction and Subsurface Structural Discrimination, by P. I. Pecholcs and G. Costas; #90942 (1997).

Search and Discovery.com

Abstract: Statics or Statistics?„The Near-Surface Revisited; #90211 (2015)

David Henley

Search and Discovery.com

... for compensating seismic data for the effects of the highly variable near-surface weathered layer, usually classified as “statics” methods...

Abstract: Improved Imaging of a Fold and Thrust Belt Regime, Onshore Trinidad, by Means of the Common Reflection Surface (CRS) Method; #90238 (2015)

Dennis Otto, Philip Schlueter, Terrell Dhanpaul, Samuel Ragbir, Curtis Archie, and Nancy Gallai-Ragobar

Search and Discovery.com

..., the surface of this survey is predominantly covered by a deep weathered layer, swamps and vegetation. Due to these settings, strong ground roll and abnormal...

Origin of Graben in the Needles District, Canyonlands National Park, Utah

George E. McGill, Albert W. Stromquist

Four Corners Geological Society

... in the surface layer of ground limestone to produce a sawtooth effect reminiscent of that seen near the northern ends of the graben in Canyonlands (fig. 7...

Gravity Anomalies and Passive Continental Margins, Canada and Norway

L. W. Sobczak

CSPG Special Publications

... much of the anomaly is caused by near surface structures such as basement ridges, high density belts, carbonate banks and uncompensated sedimentary...

Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)

David C. Henley

Search and Discovery.com

... the near-surface layer is much lower in velocity than deeper layers, we expect raypath interferometry to provide statics correction at least as good...

A Tectonic Model for the Onshore Kutai Basin, East Kalimantan, Based on an Integrated Geological and Geophysical Interpretation

John L. C. Chambers, Timothy E. Daley

Indonesian Petroleum Association

.... The implication of the structural models is that relatively small amounts of shortening are interpreted to have occurred across these near-surface...

A Geologic Cross Section of Northeastern California from Seismic Refraction Results

G. S. Fuis, J. J. Zucca

Pacific Section SEPM

.... The Modoc model, in contrast, is more coarsely layered and has lower velocities at all depths down to 25 km (Fig. 4 ) . In the Modoc model, a thick near...

Abstracts: Getting Better Shear-wave Data over Heavy Oil: Rational for Buried Acquisition; #90173 (2015)

Rob Kendall and Richard A. Bale

Search and Discovery.com

... because of sensitivity to the changes in viscosity associated with heating the bitumen. Often shear waves suffer in resolution because of near surface...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

...-penetrating radar (GPR) and near-surface seismic surveys are among the two most common methods applied for near-surface geophysics investigation (Pratt...

Abstract: When Surface Waves Become our Zoom-in Lens„a Case Study from Western Desert Of Egypt; #91204 (2023)

Fatma Ibrahim

Search and Discovery.com

... this challenge, the near surface model was converted to primary velocities based on correlation between the direct arrival velocities from...