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The AAPG/Datapages Combined Publications Database

Showing 5,194 Results. Searched 200,691 documents.

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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

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

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... this issue, Tarantola (1984b) estimated subsurface reflectivity by solving a linear inverse problem, which is known as least-squares migration (LSM...

2024

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

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... Value Analysis Inversion Approach We solve the inverse problem using the quasi-linear geostatistical approach developed by Kitanidis (1995...

2022

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: Q−1 scales with ω 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 𝒖 𝑜𝑎 , 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)

... and epsilon inversions in the intermediate updates. This process employs structure-guided solution to shape the updates with steering filters (Bakulin et al...

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

Residual noise attenuation of poststack seismic data using t-p-x decomposition

Sujith Swaminadhan, Shuvajit Bhattacharya, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the norm. An inverse Fourier transform along the time dimension gives the data in the t-p-x domain, where the events in the original t-x domain...

2024

Multi-Resolution Grid Connectivity-Based Transform for Efficient History Matching of Unconventional Reservoirs

Hyunmin Kim, Feyi Olalotiti-Lawal, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... and pressure response. The history matching of high resolution geologic models poses an underdetermined inverse problem because of the large number...

2019

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

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