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The AAPG/Datapages Combined Publications Database

Showing 27,193 Results. Searched 195,504 documents.

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Abstract: STRUCTURAL GEOMETRY AND TECTONIC EVOLUTION OF THE CAPE MONZE-SONARI AREA, WEST OF KARACHI; #90138 (2012)

Mohammad Niamatullah, Anees Ahmed Khan, Muhammad Faizan, Syed Sohaib Zulfiqar, Tariq Ahmed Qureshi, and Waqar Majeed

Search and Discovery.com

.... The variation in thickness and sedimentary facies on two limbs of the anticline, presence of angular unconformities whose angle between upper and lower...

2012

Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

...-wave velocity to reduce the risk of falling into local minima. In addition, we added the total variation term in the objective function calculation...

2016

Abstract: High Resolution Azimuthal Diffraction Imaging of Natural Fracture Zones in Fractured Carbonates and Unconventional Shales; #90319 (2018)

Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser

Search and Discovery.com

... images is to first separate the migration events according to the value of specularity angle and azimuth, in a similar way to offset or angle azimuth...

2018

Natural Fracture Characterisation in a Coal Measure Succession: An Analogue for Coal Seam Methane and Tight Gas Reservoirs

D. Gillam, T. Flottmann, R. Hillis

Petroleum Exploration Society of Australia (PESA)

... and as a combined total. Figures 15 and 16 demonstrate the variation in low and high-angle fracture orientation between the wells. The figures demonstrate...

2004

Behavior of Grain Size Characteristics on Reflective and Dissipative Foreshores, Broken Bay, Australia

Edward Bryant

Journal of Sedimentary Research (SEPM)

... or reflective stages. The degree of reflectivity or dissipation depends more on temporal variation in the directional width of the refracted incident wave...

1982

Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences

Martino Foschi, Joseph A. Cartwright, and Frank J. Peel

AAPG Bulletin

... been processed using raw and enhanced anisotropic time migration and two by angle-based selection of the common depth-point (CDP) gathers in near...

2014

Vitrinite Reflectance as an Exploration Tool in Defining Areas of Recent and Ancient Heating: A Case Study of the Cerro Prieto Geothermal System, Mexico

Charles E. Barker, Mark J. Pawlewicz

Rocky Mountain Section (SEPM)

... microscopy. Differentiation of the various macerals is based on internal structure, external morphology, and brightness (reflectivity). Sedimentary...

1990

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... of reflectivity from vertical incidence and image-ray migration techniques. These time sections were convolved with 25 to 200-Hz Ricker wavelets to produce...

1992

Hotchkiss Superdip: A New Magnetometer

Noel H. Stearn

AAPG Bulletin

... the effects of temperature, diurnal variation, latitude, and longitude. The sources of error, including manipulative, mechanical, and magnetic sources...

1929

Application of Spectral Decomposition and RGB Blending for Mapping the Distribution of Ubadari Sandstone in Kasuri Block

Leonard Lisapaly, Anne Queentina Tyas Primasty

Indonesian Petroleum Association

... of analysis is kept at the top of the wedge. Below 35 ms thickness there is no notch frequency can be observed and smooth variation of the spectra cannot...

2018

Investigating Natuna Carbonate Platform Complexities Through Integration of Multi-Geophysical Datasets From Seismic FWI PSDM Reprocessing

Muhammad Nauvall Juliansyah

Indonesian Petroleum Association

... carbonate facies variation laterally and vertically. Another objective of this study is to observe the carbonate platform growth process from...

2022

Some Aspects of the Hydrocarbon Geochemistry of a Middle Devonian Barrier-Reef Complex, Western Canada

T. G. Powell

AAPG Special Volumes

... a large variation. Over half the samples have yields which equal or exceed the values normally encountered in source rocks at the peak stage...

1984

Chapter Five: Reservoir Identification

Alistair R. Brown

AAPG Special Volumes

...–577. Backus, M. M., and N. Goins, 1984, Change in reflectivity with offset, Research Workshop report: Geophysics, v. 49, p. 838–839. Birtles, R., 1986...

2011

Basic Diagenetic Facies Models the Wilcox Formation … Texas Gulf Coast

Sharon A. Stonecipher

Special Publications of SEPM

... of poorly to moderately sorted coarse- to fine-grained sandstone. Structureless and high angle cross-bedded sandstones give way upward to horizontal...

2000

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