Regional Heat Flow Pattern and Lithospheric Geotherms in Northeastern British Columbia and Adjacent Northwest Territories, Canada

Jacek A. Majorowicz, Alan M. Jessop, Larry S. Lane

CSPG Bulletin

... of heat production in the continental crust, I. Theoretical detectability from near-surface measurements. Journal of Geophysical Research, v. 76, p. 3852...

ABSTRACT: A Hybrid Wave Equation Datuming and Kirchhoff PSDM Solution for Accurate Onshore Seismic Imaging, by Hu, Leon L.; Saleh, Saleh; Sliz, Krzysztof; Ley, Robert E.; #90141 (2012)

Search and Discovery.com

Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field

Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuations using deterministic surface layer demultiples (DSD) which predicts the near surface related multiples in the Tau-P domain using the basic wave field...

Smectite-to-Illite Reactions in Salton Sea Shales: A Transmission and Analytical Electron Microscopy Study

Yu-Chyi Yau, Donald R. Peacor, S. Douglas McDowell

Journal of Sedimentary Research (SEPM)

... the earliest stages of diagenesis near the surface through low-grade greenschist-facies metamorphism at depth under conditions of an elevated thermal...

Seismic tomographic cross-sections of the Bowser Basin in northwest British Columbia, Canada

David B. Snyder, Brian J. Roberts

CSPG Bulletin

... to the surface. Although these higher velocities occur near the bottom of the section modelled, ray densities are sufficient to indicate...

Experimental Models of Extensional Forced Folds (1)

MARTHA OLIVER WITHJACK, JON OLSON, and ERIC PETERSON

AAPG Bulletin

... the anticlinal axial surface and minor thrust faults that form near the synclinal axial surface. Slip on the lowermost detachment laterally transfers...

Geophysical Techniques for Evaluating the Internal Structure of Cheniers, Southwestern Louisiana

Robbie R. Zenero , David L. Seng , Mark R. Byrnes , Randolph A. McBride

GCAGS Transactions

... near surface velocities and subsequently depth (Annan and Davis, 1976). However, this technique is limited to radar units having separated transmit...

Efficient and accurate velocity building from Gramian-constrained multiphysics reflection and transmission data

Jide Nosakare Ogunbo

International Meeting for Applied Geoscience and Energy (IMAGE)

... and isotropic 1D velocity model with reflected and transmission waves, layer velocities, densities, and thicknesses. Multiphysics inversion...

Refraction multiple attenuation by pattern-based machine learning with a case study

Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... with significant variation. The P-wave velocity range within the near surface is from 400.0 m/s to 1500.0 m/s. The thickness of the weathering zone varies from 20.0...

Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

... exist in the data after SC deconvolution. Other reasons for near-surface phase variations in the near surface include a varying Q in the over-burden...

The Triangle Zone of the Argentine Precordillera: Insights From the Integration of Geological and Geophysical Data; #30445 (2016)

Pablo Giampaoli, Federico G. Spath

Search and Discovery.com

... of a west-dipping fault at depth. Near the surface, the presence of less competent red beds at the faulted core of the anticline could be indicative...

Tertiary Gulf Coast Diapirism: Unit 29: Application to Gulf Coast Tertiary

Martin P. A. Jackson, William E. Galloway

AAPG Special Volumes

...; perhaps these diapirs are the near-surface expression of thermal plumes. Pelagic deposits drape these immature salt structures. The remains...

Abstract: Imaging Through a Badly Weathered Near-Surface: A Case History at Elk Hills, by B. Bailey, J. Weyer, G. Cambois, J. Scott, N. Manderson, and M. Fenton; #90911 (2000)

Search and Discovery.com

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

..., The Haymaker well. Coals in the Waynesburg area are of Permian and Pennsylvanian age. In this area these coals are very near the surface. Coal mining...

Simultaneous Acquisition of 3D Surface Seismic Data and 3C, 3D VSP Data

P. E. Constance, M. B. Holland, and S. L. Roche, P. Bicquart, B. Bryans, S. Gelinsky, J. G. Ralph, and R. I. Bloor

Houston Geological Society Bulletin

... such as velocity, near-surface distortion and possible anisotropic parameters, leading to improved imaging and resolution. Examples of the recorded...

Representation of Bed Configurations in Depth-Velocity-Size Diagrams

John B. Southard

Journal of Sedimentary Research (SEPM)

... the thickness of the lowest, well-mixed layer of the atmosphere and thus characterizes approximately the structure of the near-surface boundary layer could...

Potential Impacts of Shale and Tight Gas Developments on Unconfined Aquifers - A Chemical Screening Framework

Rebecca Doble, Dirk Mallants, Yousef Beiraghdar Aghbelagh, Dennis Gonzalez, Phil Davies, Luk Peeters, Russell Crosbie

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with deeper unsaturated zones characterized by heavier soils near the surface, and lower ground water velocities due to lower hydraulic conductivity...

Orca Basin, Anoxic Depression on the Continental Slope, Northwest Gulf of Mexico: 5. Intraslope Basins

P. K. Trabant , B. J. Presley

AAPG Special Volumes

... records) and strong reflections within the near surface layers cross the deeper parts of the depression. Figure 5 depicts these lateral variations...

How to Design Onshore Pipeline Under Coal Seam Area

Yohanes Kristianto, Redo Waworuntu, Muhdi Sujatmiko, Wawan Gunawan

Indonesian Petroleum Association

... treatment Soil, proximal to a coal layer near the surface or exposed to the atmosphere can be treated to help increase (adjust) the pH of soil surrounding...

Beneficial impacts of receiver arrays on suppressing seismic speckle noise from near-surface heterogeneities: A reflection of 3D seismic acquisition practices in the Middle East

Andrey Bakulin, Ilya Silvestrov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

... the residual phase—the difference in phase with and without the near-surface layer—underscoring considerable phase variability that grows...

Evolution of the Northern Gulf Coast Deduced from Geophysical Data (1)

J. Lamar Worzel , Joel S. Watkins

GCAGS Transactions

... sequence of sedimentary rocks with thicknesses locally ranging up to 17 km. Beneath the sedimentary sequence a layer with velocities ranging from 5.2...

Paleohydrologic and Stratigraphic Significance of Crayfish Burrows in Continental Deposits: Examples from Several Paleocene Laramide Basins in the Rocky Mountains

Stephen T. Hasiotis , James G. Honey

Journal of Sedimentary Research (SEPM)

... morphology (Hasiotis and Mitchell 1993). C. symplokonomos Hasiotis and Mitchell are burrows with multiple surface openings that form a chamber near...

AAPG Studies in Geology No.53 - Part 2: Case Studies

edited by John H. Shaw, Christopher D. Connors and John Suppe

AAPG Special Volumes

... section is manifested by layer-parallel shortening. No evidence for a backlimb is observed. This line resembles Figure 3F and 3G observed near...

Evaporitic Lacustrine Environments of Canadian Plains: ABSTRACT

W. M. Last, M. Egan, T. Schweyen

AAPG Bulletin

... differing in scale and stage of development from basin to basin, all of the lakes have roughly similar near-surface stratigraphic profiles and facies...

Seismic attenuation extracted from isolated traffic signals

Yumin Zhao, Yunyue Elita Li, Bei Li, Wei Luo, Zhaoyin Liu, Yuxuan Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., N., 2016, Near-surface S-wave velocities estimated from traffic-induced Love waves using seismic interferometry with double beamforming...