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The AAPG/Datapages Combined Publications Database

Showing 2,053 Results. Searched 200,619 documents.

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Ascending

FWI uncertainty analysis with Stein variational gradient descent

Haoyang Cen, Kaihang Guo, Diancheng Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... nonlinear nature and large dimensions of the FWI problem, as well as the high cost of wave simulations. Various efforts have gone into tackling...

2024

Gradient-regularized physics informed neural networks for acoustic wave simulation

Shobhit Mishra, Bharath Shekar

International Meeting for Applied Geoscience and Energy (IMAGE)

... forward and inverse problems involving nonlinear partial differential equations: Journal of Computational Physics, 378, 686–707. Ren, P., C. Rao, S. Chen...

2024

Machine learning and explainable AI for predicting missing well log data with uncertainty analysis: A case study in the Norwegian North Sea

Sushil Acharya, Karl Fabian

International Meeting for Applied Geoscience and Energy (IMAGE)

..., is adept at capturing complex nonlinear relationships and interactions among predictors, with 100 estimators utilized in this study. Furthermore, the Bi...

2024

A geophysical prior knowledge guided semisupervised deep learning framework for AVA inversion

Lei Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... on nonlinear assumptions between the prestack seismic data and reservoir parameters. Supervised deep learning methods are commonly used to predict...

2024

Comparison of Petrophysical Characteristics of a Shaly Sand Reservoir Using Shale Volume and Double Layer Models

Fachmy Muhammad Irhamsyah, Andreas Franzona Pangaribuan, Sigit Dermawan, Ismail Halim, Ildrem Syafri, Nanda Natasia, Ika Merdekawati, Adhilaksana, Bagus Wanmasri

Indonesian Petroleum Association

... et al., 1955), where X has a pattern that can be divided into 2 types; nonlinear zone and linear zone. Non-linear zone depicts that X value could...

2017

Total Organic Carbon (TOC) Analysis: Chapter 11: GEOCHEMICAL METHODS AND EXPLORATION

Daniel M. Jarvie

AAPG Special Volumes

... are required for high TOC (>10%) samples, and that (2) the sample was not dropped prior to oxidation by the automatic sampler. Nonlinear responses...

1991

Fluid Evolution and Diagenesis of a Carboniferous Channel Sandstone in the Prince Colliery, Nova Scotia, Canada

M. R. Gibling,, A. T. Martel,, M. H. Nguyen, A. M. Kennedy, J. Shimeld, F. Baechler, S. Forgeron, B. Mackenzie

CSPG Bulletin

... Scotia Department of Mines and Energy, Halifax, N.S., unpublished report, 29 p. Table 2. Results of nonlinear regression applied to Equation 1. End...

2000

The Slotted Cone Splitter

F. J. Flanagan, R. C. Kellagher , W. L. Smith

Journal of Sedimentary Research (SEPM)

...------------------------ The scale for size ranges expressed as sieve numbers is nonlinear, so that the mean opening of the upper and lower sieves in each range was used...

1959

The Effect of Surface-Gas Interaction on Mean Free Path for Gases Confined in Nanopores of Shale Gas Reservoirs

Yanling Gao, Keliu Wu, Sheng Yang, Xiaohu Dong, Zhongliang Chen, Zhangxing Chen

Unconventional Resources Technology Conference (URTEC)

... Path, Reduced Viscosity, and the Manifestation of the Knudsen Layer in the Navier–Stokes Solution of a Shear Flow. Journal of Nonlinear Science, 2018...

2019

Fuzzy Logic and Digital Concept for Estimation of Oil and Gas Development

Candra Nugraha, Kamilah Jamil, Yusuf Theo Lebang

Indonesian Petroleum Association

... statistical approach, nonlinear equations and genetic algorithm programming is used to model the cost. Fuzzy Logic resembles the human decision-making...

2019

Statistical Analysis of Unconventional Well Productivity Drivers with Particular Focus on Child Well Impact: Permian Delaware Example

Alexandre Ramos-Peon, Artem Abramov

Unconventional Resources Technology Conference (URTEC)

.... In 2011-2016, proppant intensity often increased simultaneously with the change in lateral length, thus hiding the nonlinear relationship. In 2017-2018...

2019

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... and Applied Mathematics, Expanded Abstracts, 206-220. Mora, P.R. [1987] Nonlinear two-dimensional elastic inversion of multi-offset seismic data...

2019

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

... Ltd CGG Services Indonesia © IPA, 2019 – 43rd Annual Convention Proceedings, 2019 Full waveform inversion (FWI) is a nonlinear datafitting procedure...

2019

Unsupervised Machine Learning Applications for Seismic Facies Classification

Satinder Chopra, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...-organizing map approach that overcomes its limitations. It is called generative topographic mapping (GTM) algorithm and is a nonlinear dimension reduction...

2019

Two Inversion Case Studies from the SCOOP and STACK Area of Oklahoma

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

...). Three vibrators were used as the seismic source with a nonlinear sweep length of 32 s. The processing of this volume was completed with Q correction, 5D...

2019

The economic environment and the growth in reserves from known gas fields in the Gulf of Mexico

Kevin F. Forbes, Ernest M. Zampelli

CSPG Bulletin

... that is strictly linear in the explanatory variables. Subsequent estimations then cycle through a battery of nonlinear transformations...

2012

A statistical method for determining the hydrocarbon accumulation coefficient and its application to assessment of hydrocarbon resources in Huanghekou Sag, Bohai Bay Basin, Eastern China

Pang Xiongqi, Jiang Zhenxue, Li Zhuo, Wu Li, Jiang Fujie, Zhou Jingjing, Zhou Xiaohui, Li Xiaolei

CSPG Bulletin

... trapped in reservoirs. The relationships with the HAC appear to be nonlinear. That is, the HAC responds exponentially with change in the independent...

2012

Understanding the Tectonic Framework of Unconventional Reservoirs in the Paraná Basin Using the Magnetotelluric Method

P. P. de Lugao, S. B. A. Rolim, B. F. Kriegshäuser

Unconventional Resources Technology Conference (URTEC)

.... Nonlinear conjugates gradients algorithm for 2-D magnetotelluric inversion: Geophysics 66, 174-187. Rolim, S. B.A., D. Auler, P. de Lugão, 2016...

2020

GeoSHAP: A Novel Method of Deriving Rock Quality Index from Machine Learning Models and Principal Components Analysis

T. Cross, K. Sathaye, K. Darnell, J. Ramey, K. Crifasi, D. Niederhut

Unconventional Resources Technology Conference (URTEC)

... to compare wells in a nonlinear way, which is particularly useful for sets of features that may all be sorted similarly but under varying scaling functions...

2020

Benchmarking Operator Performance in the Williston Basin using a Predictive Machine Learning Model

T. Cross, K. Sathaye, K. Darnell, D. Niederhut, K. Crifasi

Unconventional Resources Technology Conference (URTEC)

... compared to the dataset average. The production-geoSHAP relationship is slightly nonlinear and convex. The dots have been colored by proppant per foot...

2020

Ubadari Field, From Stranded Gas Resources to Optimize Tangguh LNG Business

Riedo Waren, Arief Maulana, Ilham Panggeleng, Tepy Septyana, Christopher Birt

Indonesian Petroleum Association

... beneath Earth’s surface. FWI is a nonlinear data-fitting procedure to minimize the misfit between recorded and modeled seismic data to iteratively...

2022

Modeling Waves and Circulation in Lake Pontchartrain, Louisiana

Richard P. Signell, Jeffrey H. List

GCAGS Transactions

... Model (ECOM) described by Blumberg and Mellor (1987). This model was selected because it includes a free surface, nonlinear advective terms, coupled...

1997

Are Unconventional Well Performance Gains Exhausted? Investigating the Drivers of Year-over-Year Production Improvements Across the Major US Unconventional Plays Using Machine Learning

T. Cross, J. Chaplin, K. Sathaye, A. Cui

Unconventional Resources Technology Conference (URTEC)

... to analyze production trends across the major US unconventional oil plays. Machine learning excels at dealing with complex, nonlinear relationships between...

2021

Quantifying Crack Properties of Source Rocks from Elastic Stress Sensitivity

Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar

Unconventional Resources Technology Conference (URTEC)

...: Geophysics, 76, no. 3, WA147-WA155, doi: 10.1190/1.3554401. Prioul, R., A. Bakulin, and V. Bakulin, 2004, Nonlinear rock physics model for estimation of 3D...

2021

How Does the Impact of Completions Change Over the Life of a Well? A Comparison Across the Major US Unconventional Plays Using Machine Learning

T. Cross, K. Long, D. Niederhut, A. Cui

Unconventional Resources Technology Conference (URTEC)

... complex, nonlinear relationships between completions design, subsurface characteristics, and spacing/stacking design. Additionally, these models can...

2022

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