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The AAPG/Datapages Combined Publications Database

Showing 10,680 Results. Searched 201,044 documents.

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Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)

Xinxiang Li and Jeff P. Grossman

Search and Discovery.com

... be obscured by noise. For vertically travelling shear waves through an HTI layer in a 1D earth model, the transverse-component amplitude is predicted...

2014

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

...Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014) Roohollah Askari and Robert J...

2014

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

... by assuming a homogeneous, isotropic near-surface earth model and derive an orientation using P-wave first arrival amplitudes on the horizontal components...

2014

Machine Learning Models for Predicting the Rheology of Nanoparticle-Stabilized-CO2-Foam Fracturing Fluid in Reservoir Conditions

Toluwalase Adeola Olukoga, Yin Feng

Unconventional Resources Technology Conference (URTEC)

..., with the radial basis function-kernelized Support Vector Regression (SVR) model providing the most accurate estimation efficiency (MSE: 0.17, RMSE: 0.41cp, MAE...

2021

A Pragmatic Way of Incorporating Sub-Seismic Fault Zone Structures into a Production Simulation Model

Md Saiful Islam, Tom Manzocchi, John J. Walsh, David Stern

GCAGS Transactions

...A Pragmatic Way of Incorporating Sub-Seismic Fault Zone Structures into a Production Simulation Model Md Saiful Islam, Tom Manzocchi, John J. Walsh...

2019

Applying Rock Physic Models for Optimized Pore Pressure Prediction

Joel K. Loeffler, Sam Green, Jakob Heller, Lev Vernik

GCAGS Transactions

... is plotted against total porosity (Fig. 5), the clay-content estimation from Equation 3 shows a good fit to the rock physics model. Unfortunately, core data...

2020

Embedding Physical Flow Functions into Deep Learning Predictive Models for Improved Production Forecasting

Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

..., where training an under-determined neural network predictive model with limited data can result in overfitting and poor prediction performance. Unlike...

2022

Supervised Learning Applied to Rock Type Classification in Sandstone Based on Wireline Formation Pressure Data; #42539 (2020)

Jose Victor Contreras

Search and Discovery.com

... is to reduce the training error and the generalization error at the same time. The generalization error estimation in a machine learning model measures its...

2020

Wings, mushrooms, and Christmas trees: The carbonate seismic geomorphology of Central Luconia, Miocene–present, offshore Sarawak, northwest Borneo

Eduard Koša, Georg M. D. Warrlich, and Guy Loftus

AAPG Bulletin

.... Sarg, eds., Seismic imaging of carbonate reservoirs and systems: AAPG Memoir 81, p. 351–365. Burgess, P. M., 2013, CarboCAT: A cellular automata model...

2015

High Pressure Shales and their Depositional Facies, Southern Louisiana Cenozoic: NOTES

Ervin G. Otvos, Jr.

Journal of Sedimentary Research (SEPM)

... from Gulf Coast well logs: Trans. Gulf Coast Assoc. Geol., V. 16, p. 185-197. HOTTMAN, C. E. AND JOHNSON, R. K., 1965, Estimation of formation pressures...

1970

Core-Log Transformations and Porosity-Permeability Relationships: Part 5. Laboratory Methods

Walter A. Nagel , Keith A. Byerley

AAPG Special Volumes

..., such as accounting for net overburden conditions. When relating core information to log responses, one should be aware of the scale of measurement...

1992

Chemical Composition of Deep Formation Waters in Southwestern Louisiana: GEOLOGICAL NOTES

Parke A. Dickey , A. Gene Collins , Ivan Fajardo M.

AAPG Bulletin

... pressures in deep wells of southwestern Louisiana: Science, v. 160, p. 609-615. Hottman, C. E., and R. K. Johnson, 1965, Estimation of formation...

1972

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... the confounding influence of the overburden. In this paper we implement this method for wide-azimuth land data for the first time in the industry. Method In our...

Unknown

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... the confounding influence of the overburden. In this paper we implement this method for wide-azimuth land data for the first time in the industry. Method In our...

Unknown

Application of Marine Magnetic and Gravity Data in Mapping Basement and Sedimentary Horizons in the Rovuma Basin, Mozambique; #41051 (2012)

Irena Kivior, Sandeep Kumnar Chandola, Lee Poh Kin, S. F. B. M. Zohdi, S. Damte, and Stephen L. Markham

Search and Discovery.com

... in the neighbourhood and the approximate depth to a magnetic/gravity interface. Coupled with fast, automatic spectral decay estimation, the MWT can be applied...

2012

A Preliminary Assessment of the Hydrocarbon Potential of Kerio Valley Basin: Gravity and Magnetic Interpretation

Abiud Masinde, Cleophas Simiyu, Innocent Murunga, George Muia, Aaron Waswa, Justus Barongo

Africa Energy and Technology Conference, 2016

... obtained from the International Gravity Bureau (BGI) (Bonvalot et al., 2012). The EGM2008 model includes surface gravity measurements from land and satellite...

2016

Well-Log Determination of Ash Content in Fruitland Formation Coals, Southern Ute Indian Reservation, Southwest Colorado

Stephen E. Prensky

Rocky Mountain Association of Geologists

... Formation Coals, Southern Ute Indian Reservation, Southwest Colorado Stephen E. Prensk y l ABSTRACT A preliminary investigation of coal-ash estimation...

1988

Regional Geochemical Baselines in Soils of the Powder River Basin, Montana-Wyoming

Ronald R. Tidball, Richard J. Ebens

Wyoming Geological Association

..., baseline estimation in situations like that shown in figure 1B is more costly than in situations like that shown in figure 1A because of the need...

1976

Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)

Jon Downton, Benjamin Roure

Search and Discovery.com

.... The algorithm is demonstrated on both synthetic and real seismic data with good results. Introduction The estimation of HTI anisotropy has proved...

2014

Depositional Units in Fluvio - Lacustrine Reservoirs and Their Use as Equilibrium Regions: A Case Study in San Jorge Basin, Argentina, #30294 (2013)

Ramiro G. Lopez, Esteban Fernandez Righi

Search and Discovery.com

... Fm. reservoirs. 2. To develop a valid 3D model methodology for this reservoir type and evaluate its feasibility for better estimation of Reserves. 5...

2013

Rock-Eval Pyrolysis Data Analysis and Kerogen Kinetics Comparison of Selected Producing and Potential Shale Gas Plays in Canadian Sedimentary Basins; #80557 (2016)

Zhuoheng Chen, Chunqing Jiang, Denis Lavoie

Search and Discovery.com

... evaluation. Kerogen kinetics was examined using a data-driven model designed for geologists and entirely based on Rock-Eval data. The hydrocarbon generation...

2016

A Parsimonious Approach to Gravity Inversion for Salt Shape Delineation; #42417 (2019)

Simone Re, Luca Masnaghetti, Elena Medina

Search and Discovery.com

... model building for seismic imaging is a challenging problem even when wide-, rich-, or full-azimuth seismic records are available. Therefore, any...

2019

Pre-Orogenic and Synorogenic Diagenesis and Anchimetamorphism in Lower Paleozoic Continental Margin Sequences of the Northern Appalachians in and Around Quebec City, Canada.

O. Ogunyomi, R. Hesse, Y. Heroux

CSPG Bulletin

...) and an assumed paleogeothermal gradient of 30°C/km. This burial depth may have been achieved entirely by syndepositional overburden. For the Middle...

1980

Spatial Stochastic Modeling of Sedimentary Formations to Assess CO2 Storage Potential: A Case Study for the Pennsylvania Part of the Appalachian Basin; #80297 (2013)

Olga Popova, Mitchell J. Small, Sean T. McCoy, A. C. Thomas, Stephen Rose, and Bobak Karimi

Search and Discovery.com

... stochastic tool to construct a detailed geostatistical formation model, which accounts for spatial parameter distribution 3) use the geomodel and spatial...

2013

Petrophysical Interpretation of Multi-Frequency Electromagnetic Measurements in Clay- and Conductive-Mineral-Rich Mudrocks

Siddharth Misra, Yifu Han

Unconventional Resources Technology Conference (URTEC)

... model, referred to as the PS model, to estimate water saturation, brine conductivity, surface conductance of clays, average grain size of clays...

2016

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