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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,630 documents.
Quantitative Modeling of the Dynamic Evolution of Salt Structures
Kenneth Petersen, Ian Lerche
GCAGS Transactions
... seismic and/or well data, is presented. The present-day shape of a salt structure is constrained by an inverse non-linear procedure which determines...
1992
Sedimentary Structure and Environment of Some Thick Sandstone Beds of Turbidite Type
David H. Chipping
Journal of Sedimentary Research (SEPM)
... Peninsula, show distinctive sedimentary structures. The sandstones show normal grading, some localized inverse grading, and contain both convolutions...
1972
Cleats Analysis and CBM Potential of the Barito Basin, South Kalimantan, Indonesia; #10653 (2014)
Benyamin Sapiie, Arif Rifiyanto, Lisnanda A. Perdana
Search and Discovery.com
... distribution and orientations indicates three major trends: WNW-ESE, NNW-SSE, and NE-SW. Coal parameters relationships are: an inverse linear is the best fit...
2014
Composition of Coal: Chapter 4
Prasanta K. Mukhopadhyay, Patrick G. Hatcher
AAPG Special Volumes
..., and cerinite (wax-rich resinite) is more common. Harvey and Dillon (1985) suggested that the ratio of vitrinite/inertinite is inverse to the degree...
1993
Clast Size and Bed Thickness Trends in Resedimented Conglomerates: Example From a Devonian Fan-Delta Succession, Southwest Poland
Szczepan J. Porebski
CSPG Special Publications
... main facies, including: inversely graded beds (IG), inverse-to-normally graded beds (ING), normally graded beds (NG), normally-graded-stratified beds...
1984
STRUCTURAL INTERPRETATION OF THE SOUTHERN HALF OF THE SAWTOOTH SALIENT OF THE MONTANA DISTURBED BELT
Stephen P. Gardner, Jonathan M. Achuff
Montana Geological Society
.... Forward and inverse seismic modeling and formulation of regionally consistent structural and tectonic models provided further constraints...
1989
Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes
Rafael Souza, David Lumley, Jeffrey Shragge
Petroleum Exploration Society of Australia (PESA)
... and the inherent instability of inverse methods. These errors may compromise the geological accuracy of the reservoir model leading to incorrect reservoir model...
2016
Application of petroleum systems analysis to resource assessments
Lukasz Krawczynski, Martin Neumaier
International Meeting for Applied Geoscience and Energy (IMAGE)
... emphasise an inverse relationship between column height and liquid phase (Fig.4). In dew point systems, oil only traps are underfilled to various degrees...
2022
The Insensitivity of Thermal Diffusivity of Natural Sediments to Saturation
Ayman Ezdini, James Griffith, Nick Lange, Soroush Tehrani, Hamad Roshan, Mohammad Sarmadivaleh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... diffusivity of soils but an inverse relationship exists between diffusivity and clay content. Furthermore, the variation in grain size effect on diffusivity...
2018
Uranium in the Phosphoria Formation
Vincent E. McKelvey, Louis D. Carswell
Utah Geological Association
.... Thompson also found that groups of samples with a high average eU content show a strong inverse correlation between eU and percent organic matter...
1967
Assessing Grain-Size Correspondence Between Flow and Deposits of Controlled Floods In the Colorado River, U.S.A.
Amy E. Draut, David M. Rubin
Journal of Sedimentary Research (SEPM)
... represent a simple end-member case. For these simple floods, most deposits show inverse grading that reflects coarsening suspended sediment (a result...
2013
Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China
John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., porosity and gas saturation changes. The compressibility Îș, which is the inverse of the bulk modulus, shear compliance M, which is the inverse of the shear...
2022
Stratigraphy and Sedimentology of the Type San Francisquito Formation, Southern California
Marilyn Kooser
Pacific Section SEPM
... to a continuous series of facies with increasing Internal organization, from disorganized to inverse-tonormally graded to normally graded to graded-stratified...
1982
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The attenuation (inverse Q) factor is found to increase mildly with increasing frequency: Qâ1 scales with Ï 0.275 . The values of the Q factors at the central...
2022
Assessing properties of internal multiples for different geologies
Paul Ras, Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... complete multiple attenuation methods, like based on inverse scattering (Araujo et al., 1994; Weglein et al., 1997) or the Marchenko method (der Neut...
2022
Multiuse of Seismic and Attribute Mapping for Field Appraisal and Development in the Eagle Ford Shale: Mapping TOC, Porosity and Seal Integrity
Hector D. Bello, Gervasio Barzola, Doug Portis, Beau Tinnin, Michael Handke, Kit Clemons
Unconventional Resources Technology Conference (URTEC)
... 1581853 Page Number 3 Theory and Examples We have found an inverse correlation between the acoustic impedance and some of the key performance drivers...
2013
Implementation of Denoising Diffusion Probability Model for Seismic Interpretation
Fan Jiang, Konstantin Osypov, Julianna Toms
International Meeting for Applied Geoscience and Energy (IMAGE)
... seismic data is an important inverse problem. Existing supervised machine learning (ML) solutions are to train a model to directly map measurements...
2023
Label-defect tolerance ability of deep learning inversion networks and its applications
Yang Ping, Xu Hunqun, Liu Di, Tao Chunfeng, Wang Chengxiang, Yue Changqing
International Meeting for Applied Geoscience and Energy (IMAGE)
... and multi-frequency forward modeling. Random interpolation refers to randomly changing the weights of each known well during the Inverse Distance Weighted...
2023
Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset
Ayrat Abdullin, Umair Bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... model, and ill-posedness of the inverse problem. There is a lack of Data-driven approaches have witnessed development for FWI, including multilayer...
2023
Magnetotelluric inversion using supervised learning trained with random smooth geoelectric models
Lian Liu, Bo Yang, Yixian Xu, Dikun Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... recovery of random and blocky models. Introduction Geophysical inverse problems are usually non-linear and hardly yield a unique solution due to the limited...
2023
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
...nt of the observed wavefield, that is đ đđ , because the simulated wavefield would be acoustic. One option would be to calculate a reconstruction filter (inver...
2023
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... Association of Petroleum Geologists Figure 3: (a) RTM image 55 Hz with inverse Q amplitude applied and (b) Subset of data FDR 55 Hz, both generated using...
2024
Combining Petrophysical Properties and Ultrasonic Velocity for Improved Prediction of Tight Carbonate Reservoir
Abdallah Abdelkarim, Osman Abdullatif
Unconventional Resources Technology Conference (URTEC)
... the stromatolite boundstone, in contrary, inverse relationships were attained for both of burrowed wackestone and quartz fossiliferous wackestone...
2017
Estimating the Effect of Rock Mineral Composition on Reservoir Quality: Application in the Spraberry and Wolfcamp Formations, Permian Basin, Texas and New Mexico
Adewale Amosu, Mohamed Imsalem, Yuefeng Sun
GCAGS Transactions
... that relate a class of geophysical log measurements to the petrophysical properties of known minerals and fluids as an inverse problem. This method has...
2018
Primary Phosphatic Oolites from the Lower Cambrian of Spitsbergen
Keene Swett, R. Keith Crowder
Journal of Sedimentary Research (SEPM)
... inverse proportionality of the thickness of the phosphatic coatings to the detrital grain size suggests an energy/mass control of the phosphatic...
1982