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The AAPG/Datapages Combined Publications Database

Showing 16,192 Results. Searched 197,348 documents.

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LAKE SEDIMENTS AS MEDIA FOR EXPLORATION IN SASKATCHEWAN

D.A.W. Lehto, R.G. Arnold, and J.W.J. Smith

Saskatchewan Geological Society

... lake sediment sampling and SRC multi-lake sediment sampling can be made by evaluation of correlation coefficients generated for SRC element means v...

1977

Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model

Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia

International Meeting for Applied Geoscience and Energy (IMAGE)

... by choosing an appropriate sparsifying transform that represents the data by a few significant coefficients (Herrmann, 2010). As well as other...

2022

Decoupled approximation of qP- and qSV-wave in attenuated TI media

Rong Huang, Zhiliang Wang, Guojie Song

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2, …, 5) are the approximation coefficients determined by the curve fitting method and the Thomsen anisotropy parameter. Then, after sorting...

2023

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... data to underground reflection points using the wave equation. In seismic observation systems with multiple coverages, the final imaging result...

2023

Electron Microprobe Analyses of Magnesium and Iron Distribution in Carbonate Cements and Recrystallized Sediment Grains from Ancient Carbonate Rocks

L. V. Benson, C. W. Achauer, R. K. Matthews

Journal of Sedimentary Research (SEPM)

... and the distribution coefficients of the minor elements. The relation between Mg2+, Fe2+ content and cement morphology is complex and highly variable. In some...

1972

ABSTRACT: Genesis of mass wasting seismic facies deduced by CAT-scan analysis; #90013 (2003)

MATHIEU JACQUES DUCHESNE, BERNARD FRANCOIS LONG

Search and Discovery.com

...-rays linear attenuation coefficients distribution maps of the various core sections over their longitudinal axis. The topogram imagery shows a 2-D...

2003

Abstract: Wavelet Estimation by Non-Linear Optimization of All-Pass Operators; #90211 (2015)

Somanath Misra and Mauricio Sacchi

Search and Discovery.com

...-Gaussianity of primary reflection coefficients and its significance for deconvolution: Geophys. Prosp., v. 34, p. 1038-1066. Datapages/Search and Discovery...

2015

Igneous intrusion drives in-reservoir oil thermal cracking: A case from the Subei Basin, eastern China

Ao Su, Honghan Chen, Yue-xing Feng, Jian-xin Zhao, and Qiang Liu

AAPG Bulletin

... FSX1 (Figure 1C). The E1f1 siliciclastic reservoirs are filled with solidified bitumen, with no mobile oil or gas. Seismic reflection shows...

2024

The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

..., which is an outgrowth of Fermat's Principle, relates the reflection and/or refraction of a ray impinging on a discontinuity to the velocity contrast...

1958

Sand Shooting

David Q. Loepp

Wyoming Geological Association

... a constant source of error is the idea that each line-up or reflection on a record represents a single interface. There is also the notion that each line-up...

1958

Measuring Fracture Induced Stress Shadow Using Fiber Optic Sensing and Its Implications on Fracture Stimulation Design

Rob Bohn

Unconventional Resources Technology Conference (URTEC)

... of the fracture is compressed leading to an increase in Shmin. The transmission of this stress adjacent to the fracture face into the surrounding rock...

2022

Replacement of Aragonite by Calcite in Sediments from the San Cassiano Formation (Italy)

S. Frisia Bruni , H.-R. Wenk

Journal of Sedimentary Research (SEPM)

... cementation and the presence of marls (Scherer 1977). The transmission electron microscope (TEM) adds to the understanding of the replacement mechanism...

1985

Abstract: High Resolution Seismic Reflection and Geoelectrical Resistivity Imaging at School Teachers' Quarters Pengkalan, Pegoh, Ipoh, Malaysia

Mohammed Ismael Abu Shariah, Abdul Rahim Samsudin, Umar Hamzah, Abdul Ghani Refak

Geological Society of Malaysia (GSM)

...Abstract: High Resolution Seismic Reflection and Geoelectrical Resistivity Imaging at School Teachers' Quarters Pengkalan, Pegoh, Ipoh, Malaysia...

1999

Abstract: Rifting and magmatism in cratonic lithosphere: the rifted margin off northern Labrador, Canada

Charlotte E. Keen, Kate Dickie, Lynn T. Dafoe

Atlantic Geology

... Natural Resources Canada, Geological Survey of Canada (Atlantic), Dartmouth, Nova Scotia B2Y 5A2, Canada High quality seismic reflection data from...

2018

Abstract: Shallow Seismic Reflection Investigation of the Big Ridge Escarpment, Jackson County, Mississippi; #90311 (2017)

Jared S. Bullock, James B. Harris, Brooks A. Rosandich

Search and Discovery.com

...Abstract: Shallow Seismic Reflection Investigation of the Big Ridge Escarpment, Jackson County, Mississippi; #90311 (2017) Jared S. Bullock, James B...

2017

Associations of Fossils, Grain-types, and Chemical Constituents in the Upper Devonian and Lower Carboniferous Limestones of the Bonaparte Gulf Basin, Northwest Australia

J. J. Veevers

Journal of Sedimentary Research (SEPM)

... places the attributes in the order of their correlation coefficients with each vector (fig. 2). Only those values for the first 4 vectors are given...

1969

Petrography-Porosity Relations in Carbonate-Quartz System, Gatesburg Formation (Late Cambrian), Pennsylvania

Richard E. Smith

AAPG Bulletin

... (1950, p. 206), the axial ratio (b/a) is a reflection of apparent shape and may be taken as an approximation of the sphericity of the grains...

1969

Structural Relationship of the Northern Urals and Adjacent Basins

Konstantin O. Sobornov

CSPG Special Publications

... and adjacent Timan-Pechora and West Siberian basins. It is based mostly on published and recently collected seismic reflection and borehole data. Regional...

1994

Abstract: Extracting Formation Connate Water Salinity from Multi-frequency Dielectric Measurement; #91204 (2023)

Salah Al-Ofi, Shouxiang Ma, Guodong Jin

Search and Discovery.com

... measurements at different temperature and pressure conditions, Figure 2. The probe is provided by Keysight (model N1501A) and measures the reflection...

2023

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Ostrander, W. J., 1984, Plane-wave reflection coefficients for gas sands at nonnormal angles of incidence: Geophysics, 49, 1637–1648, doi: https://doi...

2022

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

... are that the effect of elastic reflection coefficients, interbed reflections, converted waves, and bed tuning are included in the seismic signatures. Differential...

2006

Shear-wave value for seismic imaging: Lupin 9C Seismic 3D Survey, Midland Basin, West Texas

Hermes Malcotti, Ranjan Dash, James Davenport, Gary Murphy, James DiSiena, James Gaiser

International Meeting for Applied Geoscience and Energy (IMAGE)

... between fast and slow Swave near angle stacks (S1–S2), as shown in Figure 6. Equations for this reflection amplitude difference were first reported...

2022

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