Modeling Tidal Bedding In Distributary-Mouth Bars

Nicoletta Leonardi, Tao Sun, Sergio Fagherazzi

Journal of Sedimentary Research (SEPM)

.... Figures 7A and B illustrate the effect of a possible increase in mud settling velocity and sediment concentration for a generic instant of the tidal cycle...

GEO 2014, The 11th Middle East Geosciences Conference and Exhibition, March 10-12, 2014, Manama, Bahrain; - Abstracts, #90188 (2014).

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Dynamic Relationship Between Hydraulics and Sedimentation in the Altamaha Estuary

Glenn S. Visher, James D. Howard

Journal of Sedimentary Research (SEPM)

... cycles produces a stratified estuary with highest flow velocity below the highest rate of salinity change. This relation results in upper flow regime...

Synthetic Passive Margin Stratigraphy

D. L. Turcotte , P. M. Kenyon

AAPG Bulletin

... portion of the cycle is idealized as having a constant velocity and the fast change is idealized as instantaneous (Figure 2b). We refer to this as an onlap...

Well Log and Seismic Character of Tertiary Terumbu Carbonate, South China Sea, Indonesia

J. Andrew May , Daryl R. Eyles

AAPG Bulletin

.... McDaniel, P. J., J. M. Harris, and D. H. Widman, 1983, A theoretical analysis of the effect of thermal neutron absorbers on dual-detector porosity...

The Interpretation of Vertical Sequences in Turbidite Beds: The Influence of Longitudinal Flow Structure

Benjamin C. Kneller, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

...-uniformity (i.e., spatial gradient in flow velocity). B) Case where deposition of massive interval is triggered by flow unsteadiness (temporal change...

Quantifying the origin and geometry of circular sag structures in northern Fort Worth Basin, Texas: Paleocave collapse, pull-apart fault systems, or hydrothermal alteration?

Angela McDonnell, Robert G. Loucks, Tim Dooley

AAPG Bulletin

... and lithological information. One of these wells, Oxy Sealy 3C, had a vertical seismic profile (VSP) and full wire-line-log suite. The seismic data are zero phase...

Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia

B. K. Lim, S. J. Jones

Geological Society of Malaysia (GSM)

... to the true velocity of the underlying bedrock, the effect of weathered materials can be expected to be very minor. Fig. 5 shows an interpreted seismic...

Chapter 19: Tectonostratigraphic Evolution of the Northern Llanos Foreland Basin of Colombia and Implications for Its Hydrocarbon Potential

Henry Campos, Paul Mann

AAPG Special Volumes

... (Guateque-Medina area), Colombia: Journal of South American Earth Sciences, v. 15, p. 391–407. Calais, E., and P. Mann, 2009, A combined GPS velocity...

Abstract: A Look into Gassmanns Equation; #90187 (2014)

Nawras Al-Khateb

Search and Discovery.com

... is not affected as the shear deformation does not produce a pore-volume change. Therefore any fluid saturation effect should correlate mainly to a change...

ABSTRACT: Sensitivity Considerations in Building Velocity Models for the Nile Delta’s Messinian, by El-Bassiony, Ahmed; Eid, Mamdouh; Walker, Chris; Caselitz, Bertrand; ElAmir, Ashraf; Hemdan, Mahmoud; #90141 (2012)

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Seismic Prospecting for Gas-hydrate and Associated Free-gas Prospects in the Milne Point Area of Northern Alaska

T. L. Inks, M. W. Lee, W. F. Agena, D. J. Taylor, T. S. Collett, M. V. Zyrianova R. B. Hunter

AAPG Special Volumes

... saturations and then was able to calculate compressional wave (P wave) velocity as a function of gas-hydrate saturation, porosity, and clay content...

Abstracts: Time-lapse Differential AVO: Reflection Coefficient at Fluid-fluid Boundary; #90173 (2015)

Jinfeng Ma

Search and Discovery.com

... moduli effect on reflection coefficient are separated. According to Gassmann’s (1951) theory, shear modulus does not change and shear wave velocity changes...

Tan-Lu fault system and its significance in oil accumulation in the central Liaodong Bay subbasin, Bohai Bay Basin, China

Changyu Teng, Fang Hao, Huayao Zou, Xinhuai Zhou, and Changgui Xu

AAPG Bulletin

... Bulletin, v. 95, no. 5, p. 795–811, doi:10.1306/11051010031. Deng, Y. H., 2012, Practical effect of the “transfer station” model for oil-gas migration...

Optimizing Perforations; #42159 (2017)

David J. Hatton, Payam Kavousi Ghahfarokhi

Search and Discovery.com

... perpendicular to horizontal min stress Change in one stress/force alters entire fracture Concept check Small Perforation High velocity Low pressure...

Comparison of Sphericity Indices as Related to the Hydraulic Equivalence of Settling Grains

J. P. Le Roux

Journal of Sedimentary Research (SEPM)

... Petrology, v. 61, p. 756-767. JANKE, N.C., 1966, Effect of shape upon the settling velocity of regular convex geometric particles: Journal of Sedimentary...

A New Analytical Model for Liquid Loading in Shale Gas Reservoirs

Juntai Shi, Xiangfang Li, Yunchao Pu, Wei Yu

Unconventional Resources Technology Conference (URTEC)

... flat surface of half-hamburger liquid droplet) change with the slant angle. Thus, the critical liquid loading gas flow velocity model in slant wellbore...

Effect of Change of Wave Size on the Size and Shape of Ripple Marks

O. F. Evans

Journal of Sedimentary Research (SEPM)

...Effect of Change of Wave Size on the Size and Shape of Ripple Marks O. F. Evans 1943 Vol. 13 No. 1. (April), Although ripple marks are somewhat...

Multi-attributes and Seismic Interpretation of Offshore Exploratory Block in Bahrain„A Case Study, #41919 (2016).

Suresh Thampi, Aqeel Ahmed, Yahya Al-Ansari, Ali Shehab, Ahmed Fateh, Anindya Ghosh, Ghada Almoulani

Search and Discovery.com

... with abundant velocity variations. A different approach was used with improved velocity models and depth conversion to overcome these challenges...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... Sensor array has the ability to measure the Speed of Sound (SoS) in a variety of flowing mixtures, from noisy gas-liquid flows to low-velocity, quiet...

Structural Geophysics and the Simpson in Oklahoma

John J. Rupnik

Tulsa Geological Society

... for the rates of change of velocity across a prospect. For example, the rate of change of average velocity (or velocity factor) for the Hunton Limestone...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

..., Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, no. 4, p. 882-894. Eberhart-Phillips, D., D.-H. Han...

A Revaluation of the Geologic Phenomenon of Sand Flotation: A Field and Experimental Approach

James P. M. Syvitski, David A. van Everdingen

Journal of Sedimentary Research (SEPM)

... of time was noted. Effect of Flow Velocity Naturally clean and therefore unwashed river sand was placed as a single layer of grains near one end...

Visualizing Fluid Flow in Structurally Deformed Carbonates Using 4-D GPR and Dynamic Modeling

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One more stride forward in Thunder Horse subsalt imaging with elastic FWI

Bunmi Elebiju, Qingsong Li, Ken Hartman, Francis Rollins, Ye Feng, Karl Kaiser, Werner Schinagl, Chi Chen, Alex Yanjun Hao, Zhiyuan Wei, Jiawei Mei

International Meeting for Applied Geoscience and Energy (IMAGE)

... in both acquisition and imaging, primarily due to the massive salt canopy that causes distorted and poor illumination, leading to velocity and imaging...