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The AAPG/Datapages Combined Publications Database

Showing 31,478 Results. Searched 189,922 documents.

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3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... affecting the AVO gradient in the same way (large A 0 correspond to large AVO gradients). The effect of changmg the velocity contrast 10 bin trace 40 20...


Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)

Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders

Journal of Sedimentary Research (SEPM)

... the cementation effect on sonic velocity at high porosities. Linear and nonlinear time-average regressions show strong correlation between velocity and porosity...


Geophysical Prospecting for Oil

Donald C. Barton

AAPG Bulletin

... MAPPED BY DIFFERENT METHODS Three quantities: (1) the horizontal variation of the horizontal gradient of the intensity of gravity, that is, the rate...


Turbulent Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... and But as a consequence of this gentle velocity look at Figure 1.16. gradient over most of the flow depth, near the bottom boundary (where viscous...


Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale

Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... ano maly around fault zone in the A VO gradient volume of azimuth 90o and 135o co mpared to the azimuth of 0o and 45o . Figure 6 shows Horizontal...


Study to Predict Liquid Holdup in Undulating Pipeline

Leksono Mucharam, Evi Wahyuningsih, Muchammad Ircham

Indonesian Petroleum Association

.... “Liquid Holdup in Wet-Gas Pipelines”, Tulsa. Y. Fan, Q. Wang, H. Zhang,” A Model to predict Liquid Holdup and Pressure Gradient of Near Horizontal Wet...


Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... in the transition zone, the complete vertical and horizontal borehole trajectory was instrumented with 3C receivers, while simultaneously recording 3C...


Pore Pressure Prediction: Geological Perceptions

S. Shaker

Houston Geological Society Bulletin

...Pore Pressure Prediction: Geological Perceptions S. Shaker 2002 24 29 An interval velocity profile is usually used to predict pore pressure...


Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia

Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann

Indonesian Petroleum Association

...-estimates the overpressure effect of these secondary overpressure mechanisms. Using velocity and density data from a well in the North and South Malay...


Proppant Placement in Perforation Clusters in Deviated Wellbores

Min Zhang, Chu-Hsiang Wu, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

... downward and horizontal wellbore flow with a side perforation at flow rate = 40 bbl/min 11 URTeC 298 12 Figure 8. Effect of flow rate on the wellbore in...


Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production … Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)

Joanne Wang and Duane Dopkin

Search and

... vector superimposed. An Eagle Ford shale example Velocity anisotropy is a classical seismic response to fracture or stress. In a horizontal...


Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field

Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro

Indonesian Petroleum Association

... function. Figure 3 - Horizontal slice of 3-D tomogram at depth 1 km near top reservoir. There are six tomograms; pertubation velocity of P-wave...


Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps

Peter Japsen

AAPG Bulletin

... of the formation: the velocity gradient and the so-called surface velocity or, rather, velocity at the surface. This simple velocity model will, of course, differ...


Turbulence Effects on the Settling of Suspended Particles

Peter Nielsen

Journal of Sedimentary Research (SEPM)

... fast tracks along the vortex boundaries, and this results in an increase of the average settling velocity. The same effect was also found by Maxey...


Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

A. R. Gregory

AAPG Special Volumes

... samples under triaxial pressure: Society Petroleum Engineers Jour., v. 9, p. 378-394. Domenico, S. N., 1976, Effect of brine-gas mixture velocity...


Serang Field Re-Evaluation

Tom Clark, Joewono Hadiwijoto, Bashir Zagalai, Steve Martinez, Donna Staples

Indonesian Petroleum Association

... to the Attaka Field. Although depth conversion in an area masked by a complex velocity gradient is not a new issue (Leach et al., i 990), each specific case can...


Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)

Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin

Search and

...Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013) Darren Hinks, Tom Cox, Stephanie...


Extended Abstract: Application of Electroseismic Technology for Direct Hydrocarbon Detection in Conventional Reservoirs—A Case History

David L. McCabe, Alan J. Katz, Arthur H. Thomson, Robert W. England

GCAGS Transactions

... motion and a resulting pressure gradient in the grain space. The pressure gradient reacts against the grain matrix to generate a compressional seismic...


Abstract: Grayson Field, Jurassic Smackover Reservoir, Columbia County, AR: A Case Study Using Leading Edge Reservoir Characterization Seismic Processing of 3D Seismic Data

Kevin B. Hill and William R. Meaney

Houston Geological Society Bulletin

... information and a 3D seismic data set, the thinner upper pay interval can be discerned from the thicker main pay. Horizontal well programs have been designed...


Abstract: Aeromagnetic Gradient Anomalies Help Locate New Oil and Gas Reservoirs

Harold Robert Beaver

Search and

... a very small effect on the total earth magnetic field. With a special horizontal gradient operator, these effects can be filtered and mapped...


The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins

W.M. Benzing , G.M. Shook , S.D. Leroy

GCAGS Transactions

... the flank of the pressure seal is about 13°. Since the fluid pressure isobars are not horizontal, lateral variations in the seismic velocity within...


Base of Salt Determination Utilizing Full Tensor Gradient Data

Gary W. Coburn

GCAGS Transactions

...Base of Salt Determination Utilizing Full Tensor Gradient Data Gary W. Coburn 1999 Vol. 49 (1999), The determination of the base of a salt body...


Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data

Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... P-wave velocity, S-wave velocity in both dry and wet condition. The anisotropy gradient has been found using anisotropy AVO modeling. The Thomsen...


Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

.... As highlighted by the blue arrows in Figure 1, the shallow carbonate platforms have a much faster velocity than the surrounding sedimentary layers. The horizontal...


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