Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)

Jie Zhang, Oz Yilmaz, and Nanxun Dai

Search and Discovery.com

...Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015) Jie Zhang, Oz Yilmaz, and Nanxun Dai Datapages...

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... from surface seismic stacking velocities. This option is attractive because information is available anywhere along a seismic line (or in a 3D seismic...

Seismic Imaging at Conger: Lessons Learned in Gulf of Mexico Subsalt Imaging

Thomas C. Bergeon, Brad A. Robison

GCAGS Transactions

... areas of non-hyperbolic moveout and may be associated with near-surface velocity effects. Comparisons of pre-stack and post-stack data show some minor...

Cross-Sections of the Parry Islands Fold Belt on Melville Island, Canadian Arctic Islands: Implications for the Timing and Kinematic History of Some Thin-Skinned Decollement Systems

Harrison, J.C., Bally, A.W.

CSPG Bulletin

...------------------------ extrapolation of interval velocities obtained from sonic logs of these same wells. Surface data were also incorporated in the sections from (as yet) unpublished...

2D numerical simulation of the filling process of submarine minibasins: Study of deposit architecture

Elena Bastianon,, Enrica Viparelli, Alessandro Cantelli, Jasim Imran

Journal of Sedimentary Research (SEPM)

..., near surface, and deep subsurface, in Weimer, P., Slatt, R.M., Coleman, J., Rosen, N.C., Nelson, H., Bouma, A.H., Styzen, M.J., and Lawrence, D.T....

Storm-dominated Sedimentation on the Inner Shelf of the Canadian Beaufort Sea

Philip R. Hill , Odette C. Nadeau

Journal of Sedimentary Research (SEPM)

..., the concentrations are highest between 4- and 5-m water depths and higher than surface values at the same location. A turbid near-bottom layer extends seaward...

Macrotidal Subarctic Environment of Turnagain and Knik Arms, Upper Cook Inlet, Alaska: Sedimentology of the Intertidal Zone

Susan Bartsch-Winkler, A. Thomas Ovenshine

Journal of Sedimentary Research (SEPM)

... be present at the surface, but do not exceed 10% of the core at depth. This facies develops in the highest flow velocities and in the highest energy...

Kilometer-scale upward migration of hydrocarbons in geopressured sediments by buoyancy-driven propagation of methane-filled fractures

Jeffrey A. Nunn, Peter Meulbroek

AAPG Bulletin

... fractures should propagate to the surface unless they are trapped beneath a layer that has high fracture toughness, such as salt, or are absorbed when...

Behavior of Fluids

Gerard Middleton, John B. Southard

Special Publications of SEPM

... gradients, very sharp under some conditions, These velocity gradients at and near the surface of the sphere. produce a shear stress on the surface...

Exploring the Continental Crust of Western United States: ABSTRACT

J. P. Eaton, L. C. Pakiser, W. H. Jackson, S. W. Stewart, D. J. Stuart

AAPG Bulletin

... crustal layer, below the near-surface rocks, is 6.1 km. per sec. along both profiles. End_of_Article - Last_Page 265...

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

...-to-noise of converted-wave (PS) data when compared to conventional P-wave (PP) data (Bale and Stewart, 2002). Method The idea to measure near-surface...

Quantitative FWI characterization of reservoir properties at the CMC Newell County Facility

Qi Hu, Matthew Eaid, Scott Keating, Kristopher Innanen, Xiaohui Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

... later monitoring of CO2 storage. The key strategies include an effective source approach to cope with near-surface complications, a modeling strategy...

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... the less well imaged any shallow events will be. For areas with shallow diffraction events or near surface high velocity layers it is important...

Relation of Subsalt Structures to Suprasalt Structures During Extension

D. D. Schultz-Ela, M. P. A. Jackson

AAPG Bulletin

... sheet of salt ramped up from a deeply buried subsalt step to near the surface. A rapidly prograding wedge spread under gravity as a recumbent growth...

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavelets often encode near-surface velocities, which can negatively impact the inverted velocity model. TLFWI started from a smoothed version of the legacy...

The Effects of Size-Selective Feeding by Oligochaetes on the Physical Properties of River Sediments

Michael J. S. Tevesz, Frederick M. Soster, Peter L. McCall

Journal of Sedimentary Research (SEPM)

.... The high water content of this layer, its irregular surface, and the low density of the constituent pellets destabilize the sediment surface and increase...

Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin

M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg

AAPG Special Volumes

... km (2.4 by 1.2 mi), consists of at least four vent structures associated with near-surface faults (Figure 6). The most prominent, Bullseye vent, has...

Abstract: SAGD Production Monitoring by Seismic Refraction; #90172 (2014)

D. Dubucq, Tuhin Bhakta, P. Thore

Search and Discovery.com

... is well known for the measurement of near surface seismic velocities. It is also used combined with surface resistivity measurements. In that case...

ABSTRACT: Stratigraphic Controls on 3-D Structural Traps Developed in Carbonate/Shale Multilayer Sequences, by Pearce, Mark A.; Jones, Richard R.; Rock, Greg; #90135 (2011)

Search and Discovery.com

Geothermal Gradients in Mississippi Embayment: ABSTRACT

William P. Staub, Ned L. Treat

AAPG Bulletin

... that ground-water convection is the source of near-surface heat in shallow water wells of the region. Research by Mitchell et al had suggested a high...

Predictions of Oil or Gas Potential by Near-Surface Geochemistry

V. T. Jones , R. J. Drozd

AAPG Bulletin

...------------------------------ expected if gases in the boundary layer very near the surface followed a diffusion model. Thus, compositional changes related...

Revision of Platte River Alluvial Facies Model Through Observations of Extant Channels and Barforms, and Subsurface Alluvial Valley Fills

John D. Horn, Christopher R. Fielding, R.M. Joeckel

Journal of Sedimentary Research (SEPM)

... Work The surface sedimentology of the central Platte River, including the main study area near Grand Island (Fig. 1), was reported on in detail by Smith...

Oceanography of Mississippi Delta Sedimentary Environments

P. C. Scruton

AAPG Bulletin

... of the bar the surface layer of fresh water became thinner (Fig. 12) and spread laterally (Fig. 13, late summer, 1953). At the time Fig. 13...

Azimuthal Seismic Velocities and Field Fracture Mapping, Southern Moose Mountain; #51058 (2015)

Mohammed Al Duhailan, Don Lawton

Search and Discovery.com

... investigated the variation of near-surface velocities derived by the inversion of first arrival data from a 3D seismic survey. A refraction...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the near-surface model, in particular below rough topography. The near surface velocity field normally involves extremely low velocities which...