Diffusion and Settling of Sediments at River Mouths: A Computer Simulation Model

G. F. Bonham-Carter, Alex J. Sutherland

GCAGS Transactions

... differences. The turbulent layer of "fresh" water is modelled as a stack of thin, horizontal, plane jets. The initial velocity at the slot ( = mouth...

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

... and bottom receivers of the array are shown. The rays exhibit a wide spectrum of propagation angles, sampling horizontal and vertical portions of the velocity...

Condensate Banking Effects on Well Productivity and its Coarse Grid Representation in the Full Field Modeling of the Abadi Field

Masahiko Nomura

Indonesian Petroleum Association

... non-Darcy and positive coupling effects Case2: with non-Darcy effect alone Case3: with non-Darcy and positive coupling effects (velocity dependent...

A Floating-Element Drag Plate for Direct Measurement of Bed Shear Stress During Eolian Transport

Steven L. Namikas

Journal of Sedimentary Research (SEPM)

... is generally modeled as a function of the ratio of exposed or hidden edge area to the horizontal plate area, and the pressure gradient generated between...

Aquathermal Fluid Migration: GEOLOGIC NOTES

Kinji Magara

AAPG Bulletin

... to the margins, and thus could be a contributing factor in hydrocarbon migration. The higher the geothermal gradient, the more water expansion can be expected...

Slope Control on Submarine Channel Widths

Dave Waltham

Journal of Sedimentary Research (SEPM)

..., and Huppert, H.E., 1995, A box model for non-entraining, suspension-driven gravity surges on horizontal surfaces: Sedimentology, v. 42, p. 453–471. Duncan...

Integration of Rock Physics Modelling to Improve Pore Pressure Prediction in Unconventional Shales

Jakob Heller, Venkatesh Anantharamu

Unconventional Resources Technology Conference (URTEC)

... and platform carbonate reservoir rocks with high porosity. Advances in horizontal drilling technologies and fracturing fluids have resulted...

Use of Precise Temperature Logs in Determination of Thermal Properties of Sedimentary Rocks and Investigation of Thermal Evolution of Sedimentary Basins: ABSTRACT

David Blackwell, John Steele, Dan Hagedorn

AAPG Bulletin

... and regional ground-water flow than with transient heat flow variations at the base of a thick sedimentary pile. Although the effect of basal heat...

Uncertainty Analysis of the Vertical Aquitard Hydraulic Conductivity in a Leaky Aquifer System

Xun-Hong Chen

Environmental Geosciences (DEG)

... is that the horizontal hydraulic conductivity (Kr) is equal to the vertical hydraulic conductivity (Kz) in the aquifer (Kr = Kz). This assumption is true...

Mapping Stratigraphic Traps with Seislog

Roy O. Lindseth

Indonesian Petroleum Association

..., this can be converted to solve for velocity from the series of reflection coefficients: The effect of the application of the above formula...

ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS

E. J. Assiter

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... and migration data for application to maps * 12. Plot out depth maps and cross-sections using a velocity function, gradient or surface Quite obviously...

Geomechanical aspects of CO2 sequestration in a deep saline reservoir in the Ohio River Valley region

Amie Lucier, Mark Zoback, Neeraj Gupta, T. S. Ramakrishnan

Environmental Geosciences (DEG)

... to have a gradient of 26.2 MPa/km. The electrical image log and caliper data allowed us to establish the horizontal stress orientations in the Rose...

Importance of Aquathermal Pressuring Effect in Gulf Coast: GEOLOGIC NOTE

Kinji Magara

AAPG Bulletin

... is that the data from well 12, whose burial depth is only 8,874 ft, are plotted near line B; the pressure gradient is relatively high. The effect...

Experimental Modeling of the Spatial Distribution of Grain Size Developed in a Fill-and-Spill Mini-Basin Setting

Rufus L. Brunt, William D. McAffrey, Benjamin C. Kneller

Journal of Sedimentary Research (SEPM)

... towards the fixed 70 mm sill terminating the test section (Fig. 3A). Simultaneous flow measurement of horizontal velocity, and siphon sampling (for later...

Character of Overpressure in the Deep Tuscaloosa Trend, Louisiana

Philip H. Nelson

GCAGS Transactions

... velocity). Pressure, temperature, and well-log data from wells along the length of the Tuscaloosa trend show that shales are everywhere overpressured...

Abstract: Studying the Tuning Effect from AVO Intercept and Gradient Cross-Plots, Using Pre-Stack Wedge Models, by Sbonelo N. Ngcongo; #90082 (2008)

Search and Discovery.com

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... velocity information from the microseismic events themselves. Introduction Multistage fracturing technique, together with horizontal drilling, make...

How Sealed Is a Seal? - High Resolution Seal Integrity Evaluation Using 3D Seismic Data

Gary Yu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of burial depth, temperature gradient and shale diagenesis besides the compaction, loading and off-loading. Causes for Abnormal Pressure Introduction...

Fracture Development in the Bakken Petroleum System, Antelope Field, Williston Basin

Stephen A. Sonnenberg

Wyoming Geological Association

... (1994) also supplies considerably geophysical evidence for the existence of horizontal fractures. Laboratory measurements of ultrasonic velocity...

Elastic Anisotropy of Shales ƒ Revisited; #41557 (2015)

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

...) velocity for propagation in the horizontal direction. The third parameter , that is to say the P‐wave moveout parameter, is roughly equal to the relative...

Advanced Flowback in the Powder River Basin: Securing Stimulation Investments

Mario Campos, Dmitriy Potapenko, Katharine Moncada, Jayanth Krishnamurthy

Unconventional Resources Technology Conference (URTEC)

...-stimulation operations in horizontal wells in unconventional reservoirs have historically followed standard practices, driven by market perception of value...

Modeling Production and Prospectivity in the Austin Chalk to Optimize Well Placement, Productivity and Completion Design

Sean Boerner, Rohit Singh, Ross Peebles, Jessica Garvin, William J.E. Holt

Unconventional Resources Technology Conference (URTEC)

... Austin Chalk production. We validated the preferred model with a blind test using 16 horizontal wells by extracting the production prediction from...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... that the presence of the faulting results in large lateral velocity contrasts, an alternative interpretation could be described by the effect of velocity...

Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... (horizontal transverse isotropy). Both types cause arrival time distortion of the seismic wave. Because of the layered sedimentary structure and presence...

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

.... Dohr, G. P., and P. K. Stiller, 1975, Migration velocity determination. Pt. 2, Applications: Geophysics, v. 40, p. 6-16. Domenico, S. N., 1974, Effect...