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The AAPG/Datapages Combined Publications Database

Showing 31,563 Results. Searched 190,067 documents.

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Geophysical Programs for Regonal and Local Prediction of Hydrocarbons in the Near-Ural Region of the West Siberian Platform

Yu. Z. Segal’, N. N. Yaitskiy, L. A. Zerchaninova, V. V. Khoronzhin

Petroleum Geology: A Digest of Russian Literature

..., and A); 7-background component; 8-local anomalies reduced for gradient; 9-local minimums of gravity field supposedly due to effect of oil-gas-bearing...


Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

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... rotation effect can be problematic for interpretation only when low velocity unconsolidated materials (and their associated high Vp/Vs ratios...


Wheeler Gorge Turbidite-Conglomerate Series, California; Inverse Grading

Richard V. Fisher, James M. Mattinson

Journal of Sedimentary Research (SEPM)

... it involves Bernoulli's principle. The Magnus effect places prime emphasis on particle rotation as the cause of velocity differences, which in turn...


Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

... profiling, it is possible to determine the velocity of the refracting stratum. If the layer is not horizontal, it is still possible, by reversing...


Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

..., and Teige et al. (2007) could not determine if the weak correlation between pore pressure gradient and sonic velocity was caused by the influence...


Overpressure Mechanisms in Compressional Tectonic of Borneo Deepwater Fold-Thrust Belt

Geovani C. Kaeng, Sarah Sausan, Zulfikar Simatupang

Indonesian Petroleum Association

... of overpressure, narrow margins between PP and fracture pressure, PP gradients subparallel to lithostatic gradients, prominent effect of structural...


Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in the presence of lateral and vertical velocity variations. Velocity within each layer is vertically constant with a linear gradient in the lateral...


Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

... by compaction. Each layer is described by a specific gradient k and a velocity map V0(x,y) (Figure 3). The main advantage of the layer-cake a priori...


Variations in vertical stress in the Permian Basin region

Katie M. Smye, Peter H. Hennings, and Elizabeth A. Horne

AAPG Bulletin

... geomechanics and the potential for induced seismicity. Of the principal stress orientations (Sv , minimum horizontal stress [Shmin ], and maximum...


Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in other complex overburden areas. Introduction Time images for structures below velocity inversions are often distorted. This effect of overburden...


Study of Fracturing Fluid Imbibition Impact on Gas-Water Two Phase Flow in Shale Fracture-Matrix System

Guanglong Sheng, Wendong Wang, Hui Zhao, Zengmin Lun, Yufeng Xu, Qian Zhang, Wenfeng Yu, Di Chai, Xiaoli Li, Yi Lou

Unconventional Resources Technology Conference (URTEC)

... a high linear correlation between the fluid displacement velocity and pressure gradient in the fractured samples as the fracture is the main flow channel...


Concentration-Dependent Flow Stratification In Experimental High-Density Turbidity Currents and Their Relevance To Turbidite Facies Models

Matthieu J.B. Cartigny,, Joris T. Eggenhuisen, Ernst W.M. Hansen, George Postma

Journal of Sedimentary Research (SEPM)

...) associated concentration profile, and C) velocity profile (Modified from Sohn 1997). Thick, nearly horizontal stratification, of variable thickness...


Predicting the depth of viscous stress peaks in moving salt sheets: Conceptual framework and implications for drilling

Ruud Weijermars and Martin P. A. Jackson

AAPG Bulletin

... below). At each point in the flow, the orientation of the principal stresses can be inferred in our study on the basis of the velocity gradient...


Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... vgd where 45 same source m as velocity and d is distance from S W L to sloping bottom Abscissa is same as in Figure 9 Designation of horizontal...


Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by the thickness/ velocity ratio. Thus, the LVT acts as a thin lens would in optics and the effect on a wavefront is to cause a time delay depending...


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

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...; it was confirmed by an oil gradient from reservoir pressure points. A quick post-drilling analysis of the seismic data showsthat the well M-1 was drilled...


CFD Modeling of Low-Density Particle Transport into Perforations for Multistage Fracturing Applications of Horizontal Wells, #42203 (2018).

Vijaya Patnana, Travis Larsen

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...CFD Modeling of Low-Density Particle Transport into Perforations for Multistage Fracturing Applications of Horizontal Wells, #42203 (2018). Vijaya...


Effects of Biogenic Silica on Acoustic and Physical Properties of Clay-Rich Marine Sediments (1)


AAPG Bulletin

.... These layers have higher velocities than the surrounding clay-rich sediment. The velocity gradient of the remainder of the sediment column is not affected...


Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

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... in [8]. A velocity gradient ranging from 3500 m/s at surface to approximately 4700 m/s at depth has been applied to the succession of limestone units...


Maturation of Sediments Near Horizontal and Inclined Salt Sheets

K. Carter, I. Lerche

GCAGS Transactions

... by a 1000 m thick horizontal salt sheet buried to a depth of 1000 m and moving at speed 100 m/Ma. Figures 7a-d shows the same geometry and velocity...


Insights into Mobilization of Shale Oil Using Microemulsion

Khoa, Bui, Yucel Akkutlu, Andrei, Zelenev, Hasnain Saboowala, John R. Gillis, James A. Silas

Unconventional Resources Technology Conference (URTEC)

... of acceleration to the water molecules. The consequence of this is a constant pressure gradient. Hence, one would expect a liner velocity profile across the oil...


Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin

Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud

Petroleum Exploration Society of Australia (PESA)

... this effect, the velocity is applied with 10% shallow basement case. The highest velocity value is obtained by applying the highest horizon velocity...


Physical Processes in the Ocean

R. H. Fleming, Roger Revelle

Special Publications of SEPM

... as the horizontal gradient at the surface. If we consider other variables such as the salinity or the horizontal current velocity we will find about the same...


Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas

Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui

Indonesian Petroleum Association

...Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas Nader C. Duta...


Discussion of Article "The Hydraulic Shape of Sand Particles" by Louis I. Briggs, David S. Mcculloch and Frank Moser: DISCUSSIONS

Glen E. Stringham

Journal of Sedimentary Research (SEPM)

... shape and settling velocity: Ph.D. dissertation, State University, Iowa, 64 p. End_of_Record - Last_Page 272------- This article is a valuable...


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