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The AAPG/Datapages Combined Publications Database
Showing 3,212 Results. Searched 200,357 documents.
ABSTRACT: Lithification of 65-Year-Old Carbonate Spoils Piles; #90113 (2010)
Nathan M. Snyder
Search and Discovery.com
... are on the leeward side of Stocking Island and are exposed to minimal wave energy. The spoils are composed of small to medium sand-sized aragonite...
2009
Quantitative Petrophysical AVO Error Analysis in a Layered Model
Search and Discovery.com
... to inversion errors. Using plane-wave AVO theory to invert spherical-wave data (Haase and Ursenbach, 2007), or using isotropic AVO theory to invert...
2013
ABSTRACT: Refined Paleoenvironmental Interpretation of Mississippian Oolites, by Lenore P. Tedesco, Harold R. Wanless; #91020 (1995).
Search and Discovery.com
1995
Organoporosity versus Mineral Matrix Porosity in the Calculation of Reserves in Shale Reservoirs
G. B. Asquith
West Texas Geological Society
... is correct? The Maxwell-Garnett Equation which was designed model large spherical pores in bedded in finer spherical matrix pores (i.e. a vuggy...
2013
Graded Beach Gravels as Palaeowind Indicators
John McManus
Journal of Sedimentary Research (SEPM)
... and shell beach developed under stable wave and tidal conditions. Modifications related to variations of wave incidence angle are described in plan...
1973
Computed Sediment Grain Surface Areas
George Shumway, Kim Igelman
Journal of Sedimentary Research (SEPM)
... computed for 109 natural sediment samples ranging from sands to clays. This was done by assuming all particles to be spherical and summing the areas...
1960
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... in the conventional CMP stacking. Analytical expressions (based on the spherical representation of wavefronts) describe the moveout correction...
2011
Abstract: Seismic Dispersion in Extra-Heavy Oil Saturated Rock; #90172 (2014)
Todd D. Bown, Douglas R. Schmitt
Search and Discovery.com
..., an understanding of the basic rock physics for rocks saturated with such oils has lagged. There are few studies in the literature that examine seismic wave...
2014
Pressure Build-Up Interpretation in Wells with Limited Entry Completions: Unexpected Pressure and Afterflow Response
Reinhard H. Lind
Indonesian Petroleum Association
... off for infinite acting radial flow, but keeps declining at a slope of about minus half. It is shown that this behaviour is characteristic of spherical...
1990
Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media
Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui Ye, Morten Jakobsen
International Meeting for Applied Geoscience and Energy (IMAGE)
...Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui...
2022
Diverse Stromatolite Forms from the Upper Devonian of Saskatchewan
W. L. Kaufmann
CSPG Bulletin
... nomenclature proposed by Logan et al. (1962 & 1964). Structures present included (1) spherical structures (SS); (2) composite forms of spherical...
1964
Practical Applications of Amplitude-vs-Offset Analysis in Expanded Yegua Exploration
James L. Allen
Houston Geological Society
... Near offset vs Far offset Maintaining true amplitude at all offsets Compensation for spherical divergence NMO Stretch Multiples "Good...
1989
Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole
Zhou-Tuo Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... field Φ0 in formation is approximately a spherical wave: R A exp i t 0 c0 (2) 0 R0 where, A is wave amplitude. Putting...
2022
Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015)
Tiewei He and Douglas Schmitt
Search and Discovery.com
...Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015) Tiewei He and Douglas Schmitt...
2015
Armoured mud balls revisited
Lawrence H. Tanner
Atlantic Geology
..., on the north shore o f the Minas Basin. Shapes vary from nearly spherical to platy to elongate, with elongate predominant. The mud balls form from the action...
1996
Cold-water Spherical Grains from a Fresh-Water Drainage Pipe, Gordon Dam, Tasmania, Australia
C. Prasada Rao, I. H. Naqvi
Journal of Sedimentary Research (SEPM)
...Cold-water Spherical Grains from a Fresh-Water Drainage Pipe, Gordon Dam, Tasmania, Australia C. Prasada Rao, I. H. Naqvi 1983 Vol. 53 No. 4...
1983
Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)
Arnim B. Haase and Robert R. Stewart
Search and Discovery.com
... [email protected] and Robert R. Stewart University of Houston Summary The complete spherical wavefield emanating from a P-wave point source surrounded...
2013
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... processing flows for both PP and PS waves were laid out to improve the structural and reservoir images. Particularly for PS converted wave data, apart from...
2014
Examining the significance of the converted-modes beneath an ultra-high-velocity caprock: Physical modeling and a Gulf of Mexico salt proximity VSP survey
Jingjing Zong, Yukai Wo, Jizhong Yang, Nikolay Dyaur
International Meeting for Applied Geoscience and Energy (IMAGE)
... shots. Physical modeling wavefield analysis The spherical piezoelectric-transducer used in physical modeling is essentially a pressure sensor...
2022
Model Based Deviated VSP Reservoir Imaging Technique in tough field conditions
Search and Discovery.com
N/A
Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea
G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... range and improves the overall 3-D DAS-VSP imaging quality. The 3D DAS-VSP downgoing multiple reflection wave imaging shows significant imaging...
2022
Cretaceous-Tertiary Boundary Microtektite-Bearing Sands and Tsunami Beds, Alabama Gulf Coastal Plain
David T. King Jr., Lucille W. Petruny
GCAGS Transactions
... spherical microtektites display an internal structure that includes intact smaller spherical droplets adhered to infolded inner walls...
2005
Sedimentology of Fault-Scarp-Derived Colluvium from the 1983 Borah Peak Rupture, Central Idaho
James P. McCalpin , Witold Zuchiewicz, L. C. Allen Jones
Journal of Sedimentary Research (SEPM)
..., LAJOIE, K.R., AND WALLACE, R.E., 1984, Modification of wave-cut and faulting-controlled landforms: Journal of Geophysical Research, v. 89, no. B7, p...
1993
Abstract: High-Resolution Prestack Sub-Basaltic Imaging, by A. Druzhinin and C. Macbeth; #90923 (1999)
Search and Discovery.com
1999