Abstract: Accurate and Automatic Computation of Refraction Statics in Large 3D Seismic Datasets; #90171 (2013)

Atul Jhajhria and Igor B. Morozov

Search and Discovery.com

... the limits of attainable resolution. Near-surface refraction model was further created, statics calculated, and applied to a real dataset. The statics solution...

Growth Fault-Bend Folding at Southeast Lost Hills, San Joaquin Valley, California

Donald A. Medwedeff

AAPG Bulletin

... theory. DISCUSSION Interpretation of Deep Structures from Shallow Reflectors Near-surface fold shapes can be traced to depth using the kink method...

Geophysical-Geologic Study of Northern Amadeus Trough, Australia

A. J. Froelich , E. A. Krieg

AAPG Bulletin

...) per second are indicated by velocity-depth probes of the Bureau of Mineral Resources. Near-surface velocities, determined from up-hole surveys...

A case study: Joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China

Huang Yuanyi, Liang Xing, Jiang Liwei, Li Xuefeng, Wang Changhui, Hu Jiang, Cheng Gaoming, Jin Zhigang, Wang Lifeng, Zhang Sheng, Wang Qiangjun, Sun Jiangwei

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the near-surface and chosen as the good excited layer for the dynamite source to improve the quality of single shot data.  The multi-level geophone...

Fluid and Sediment Dynamics on Continental Shelves

Donald J. P. Swift and Alan W. Niedoroda

Special Publications of SEPM

... of the storm, where the wind velocities were most intense, the surface mixed layer above the thermodine was blown out of the storm area. The heavier...

Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning

Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma

Unconventional Resources Technology Conference (URTEC)

... was done, and the findings indicate that velocities change rapidly laterally even around seemingly flat events. The time processing is not able...

GEO 2008 - Middle East Conference and Exhibition, March 2-5, 2008, Manama, Bahrain - Abstracts, #90077 (2008)

Search and Discovery.com

ABSTRACT: Practical Implementation of Geostatistics in Regional Depth Conversion Workflows: A Case Study from Saudi Arabia, by Jeganathan, Pradeep; #90141 (2012)

Search and Discovery.com

Deriving geothermal parameters from bottom-hole temperatures in Wyoming

Richard W. Davis

AAPG Bulletin

... Temperatures and Near-Surface Thermal ConductivityThe equations developed here result in a surface intercept temperature of approximately 13.13C, which...

Imaging Seismic Data with High Resolution Gravity Data.

R. Opfer

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... required a time or static correction to remove the effect of elevation and time distortions caused by velocity variations in the near surface geology...

Vertical Seismic Profiling in Hydrocarbon Exploration and Reservoir Development

Bob A. Hardage

Circum Pacific Council Publications

... and to leave the source at, or near, the earth's surface, as shown in Figure 1. The vertical receiver array allows both the downgoing and the upgoing...

Roosevelt Hot Springs Geothermal System, Utah--Case Study

Howard P. Ross, Dennis L. Nielson, Joseph N. Moore

AAPG Bulletin

...-surface layer with resistivity decreasing to 5 ohm-m or less at depths of 1,000 ft (300 m). Station 76-3 near the center of the cross section occurs over...

Tidal Sand Sheet Origin of the Transgressive Basal Colorado Sandstone (Albian): A Subsurface Study of the Cessford Field, Southern Alberta

Indranil Banerjee

CSPG Bulletin

... erosion surface (arrow) separates opposing foresets. f. Mud layer (Md) in crossbedded gravelly sandstone. 6-9-26-14W4, 3280 ft. End_Page 11...

Eolian Dune, Interdune, Sand Sheet, and Siliciclastic Sabkha Sediments of an Offshore Prograding Sand Sea, Dhahran Area, Saudi Arabia

Steven G. Fryberger , Abdulkader M. Al-Sari , Thomas J. Clisham

AAPG Bulletin

... in the area: fossil water, meteoric water, and seawater. Brackish fossil water from subsurface aquifers rises to the surface in artesian wells near...

Geophysical Evidence for Thin-Skinned Structural Deformation in the Norman Range, Northwest Territories

DON C. Lawton, J. Helen Isaac

CSPG Bulletin

... at the highest elevations. The high near-surface velocities coincide with carbonate rocks that outcrop over the Norman Range, and lower near-surface velocities...

Mud-Rich Density-Driven Flows Along an Early Ordovician Storm-Dominated Shoreline: Implications for Shallow-Marine Facies Models

Dario Harazim, Duncan McIlroy

Journal of Sedimentary Research (SEPM)

..., because they can control the residence time of organic carbon in the oxygenated near surface-zone, and can play a vital role in the spatial partitioning...

Mid-Slope Bottom Currents off the Louisiana Coast

W. J. Wiseman, Jr., and H. H. Roberts

GCAGS Transactions

... of a decaying bottom mixed layer a few tens of meters thick. The very near bottom waters exhibit weak stratification (Brunt-Vaisala frequency ~ 0.0045 radian...

Secondary migration of heavy oil in low dip basins

Mario Valderrama

AAPG Bulletin

... reservoirs, displaying excellent porosities and permeabilities. They are mostly in near-surface settings within the realm of pervasive oil degradation...

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

... for seismic data recorded over the Banyu Urip field in Central Java. Given the complexity of near surface velocities and the presence of shallow gas...

Geomorphology and Surface-Water Hydrology of Part of the Hueco Basin, West Texas

Jr. Robert W. Baumgardner, M. Saleem Akhter

West Texas Geological Society

... of the Rio Grande in New Mexico: Journal of Geology, v. 36, p. 265–282. Bull, W. B., 1972, Prehistoric near-surface subsidence cracks in western Fresno County...

Structural Configuration of the Kishenehn Basin Delineated by Geophysical Methods, Northwestern Montana and Southeastern British Columbia

Kurt Constenius

Rocky Mountain Association of Geologists

.../s) near the surface to 11,300-14,500 ft/s (3,444-4,420 m/s) at 3,200-5,000 ft (975-1,524 m). Density calculations from these velocities yielded...

Bodalla South Field

J.A. Salomon, S. L. Keenihan, A.P. Calcraft

AAPG Special Volumes

... of ± 20 m. 3. Stratigraphic changes--rapid facies variations at the top of the Hutton Sandstone can eradicate an entire pay section. 4. Near-surface...

Reactive transport modeling of early burial dolomitization of carbonate platforms by geothermal convection

Fiona F. Whitaker, Yitian Xiao

AAPG Bulletin

..., dolomites are rare and occur sparsely in modern carbonate sediments (Budd, 1997). Difficulties in growing dolomite in the laboratory at near-surface...

Comparison of Sediments from Bay of Fundy and Dutch Wadden Sea Tidal Flats

George DeVries Klein, John E. Sanders

Journal of Sedimentary Research (SEPM)

... the feeding depth (20 to 30 cm) to the outlet near the surface as the worm eats sediment grains. Whatever sediment is available slowly sags downward...

Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys

Murray E. Close, David C. Nobes, Liping Pang

Special Publications of SEPM

... of the two-way travel time (TWT). The GPR record spacing is governed by the resolution of the signal in the near-surface, which in turn depends...