The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... the velocity in high contrast regimes; and for the creation of survey-wide, high-resolution models to reduce imaging uncertainty, complement attribute...

Flow Regimes and Solute/Energy Transport

Jeffrey S. Hanor

Special Publications of SEPM

... of a specific sand unit of high permability on fluid flow may be undetectible on a regional scale, but of considerable local importance. Local...

Physical Processes in the Ocean

R. H. Fleming, Roger Revelle

Special Publications of SEPM

.... Hence tidal and local currents, which, owing to their high velocity are accompanied by strong turbulence, and also residual currents of low velocity...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... the shot. Since the shot is fired in a high-velocity zone, the effect of the low-velocity zone is removed from a detector at the shot point if the uphole...

RhoVe T Method Empirical Velocity-Density-Temperature-Effective Stress Transform

Matt Czerniak

GCAGS Transactions

... and diagenesis using alternate associations like temperature extends the predictability of high-velocity, high-density, low-effective stress rock types...

ABSTRACT: Sedimentation from Jets: A Depositional Model for Clastic Deposits of all Scales and Environments; #90013 (2003)

D. C. J. D. Hoyal, J. C. Van Wagoner, N. L. Adair, M. Deffenbaugh, D. Li, T. Sun, C. Huh, D. E. Giffin

Search and Discovery.com

... is associated with high velocity flows, (e.g., floods, storms, or slope failures) many flows are jets at the primary orifice. In other highly gravitationally...

Green Canyon 142 #1

Bruce McClellan

Houston Geological Society

.... The trap is a fault-assisted stratigraphic pinch-out onto a local high. The prospect, on strike with other Pliocene fields including Auger, Baldpate...

δ18O and δ13C Variability In Brachiopods From Modern Shelf Sediments and Its Utility For Understanding Complex Oceanography, Southern Australian Shelf

Ryan S. Dhillon, Noel P. James, T. Kurt Kyser, Yvonne Bone

Journal of Sedimentary Research (SEPM)

... velocity (0.1–1.4 m s–1) water body that flows south from the tropical western margin shelf and wraps around Cape Leeuwin to flow eastward along...

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

.... Velocities in this zone are lowest at the structurally high end of the reservoir. To facilitate tomogram interpretation, the tomography velocity data...

Calcic Paleosols: Their Use in Subsurface Stratigraphy

Debra L. Hanneman , Charles J. Wideman , J. W. Halvorson

AAPG Bulletin

... and paleosol stacks in the subsurface. The paleosol stacks are continental sequence boundary markers and appear as several relatively thin, high-velocity/high...

An Expanded Model for Modern Shelf Sand Ridge Genesis and Evolution on the New Jersey Atlantic Shelf

John W. Snedden, Ronald D. Kreisa, Roderick W. Tillman, Stephen J. Culver, William J. Schweller

Special Publications of SEPM

... in dominated tide-dominated Jones et al., currents Ramsey 1965 and under high geostrophic currents (Ramsey high-velocity 1965) and under velocity et...

Transport Mechanisms of Sand in Deep-Marine Environments—Insights Based on Laboratory Experiments

Hedda Breien, Fabio V. De Blasio, Anders Elverhoi, Johan P. Nystuen, Carl B. Harbitz

Journal of Sedimentary Research (SEPM)

.... This is demonstrated by the undulating thickness and by discrete, high-velocity areas inside the flow (Fig. 5A, B). Following the classification...

Flow substrate interactions in aggrading and degrading submarine channels

Anjali M. Fernandes, James Buttles, David Mohrig

Journal of Sedimentary Research (SEPM)

... and Bridges 1975; Fernandes et al. 2018). Erosion occurred beneath the pathway of the high-velocity core of the current (depth-averaged velocity 0 m...

Application of combined inversion of lithofacies and impedance based on rock physical constraints in sandstone characterization in Liaodong Bay of Lvda area

Xun Liu, Wei Gao, Huihuang Tan, Yu He

International Meeting for Applied Geoscience and Energy (IMAGE)

... findings, there are the lacustrine fan sandstone, lacustrine fan mudstone with low velocity and the lacustrine fan mudstone with high velocity. The analysis...

Gas Hydrates: Part III: Rock Physics Hydrate Experiments

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... attenuation. Attenuation has the potential to map hydrate concentrations through the effect of local blanking of sediment stratigraphic reflectivity...

Enhancement of organic matter maturation because of radiogenic heat from uranium: A case study from the Ordos Basin in China

Fan Zhang, Yangquan Jiao, Liqun Wu, Hui Rong, Jinhua Li, and Dun Wan

AAPG Bulletin

... observable in quartz grains, and the intensity of decay increases with proximity to the uranium ore body. The calculated radioactive heat production...

ABSTRACT: Temperature Effect of Magmatic Underplating in the Gjallar Ridge, Mid-Norway, by W. Fjeldskaar, H. Johansen, T. Dodd, and M. Thompson; #91019 (1996)

Search and Discovery.com

Natural Geomorphic Variability Recorded in a High-Accommodation Setting: Fluvial Architecture of the Pennsylvanian Joggins Formation of Atlantic Canada

Michael C. Rygel, Martin R. Gibling

Journal of Sedimentary Research (SEPM)

... by salt withdrawal. The effect of extrinsic factors on channel type and geometry appears to have been modest in this high-subsidence setting. Adams...

Physical Mechanisms of River Waterfall Tufa (Travertine) Formation

David Dian Zhang , Yingjun Zhang , An Zhu , Xing Cheng

Journal of Sedimentary Research (SEPM)

...). At waterfall sites there is little change in temperature above and below the falls. However, water pressure at high velocity is reduced according...

A simulation of large-scale groundwater flow in the Niger Delta, Nigeria

Duke U. Ophori

Environmental Geosciences (DEG)

... systems.Mobilization and transport are most likely to occur in high-energy (high-velocity) environments, such as areas of downward flow (i.e., recharge areas...

Fossil Leaves and Fruits as Indicators of Paleotransport in a Miocene Lake from Northern Idaho

Austin Boyd

Journal of Sedimentary Research (SEPM)

... also suggests a lack of turbulence from occasional high velocity flow. Some linear, marine shells were shown to orient nearly perpendicular to flow...

Mass-Flow Conglomerates in a Submarine Canyon: Abrioja Fan-Delta, Pliocene, Southeast Spain

George Postma

CSPG Special Publications

... producing stratified deposits. Surges may originate from i) fluidization in the head of a high-velocity pyroclastic flow (Wilson and Walker, 1982); ii...

Structure of the Lithosphere in the CarpathianPannonian Region

Miroslav Bielik, Antal dm

AAPG Special Volumes

.... The local gravity high over the Bekes Basin was assumed to be a striking high-density anomalous body (density contrast +0.30 g cm3). It is located...

Confocal laser scanning microscopy and automated petrographic image analysis in different rock types: Two-dimensional images capillary pressure curves estimation and three-dimensional porosity reconstruction

M. A. Caja, J. L. Pérez-Jiménez, M. F. León, and D. Acero-Allard

AAPG Bulletin

... and pore-throat sizes reveal that 27% of the pore volume corresponds to microporosity (Figure 4E), with two local maximums of the pore-body size...

Gravity Evidence for the Thinning of the Crust Around the North Sumatra Area

Wawan Gunawan A. Kadir, Sigit Sukmono, M. T. Zen, Lilik Hendrajaya, Djoko Santoso

Indonesian Petroleum Association

... structure formed as a response to regional tensional stresses. The local positive gravity anomalies are caused by a high density igneous body at 5 km...