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The AAPG/Datapages Combined Publications Database

Showing 5,197 Results. Searched 200,636 documents.

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A deep learning based surrogate and uncertainty quantification for fast electromagnetic modeling in complex formations

Yuchen Jin, Chaoxian Qi, Li Yan, Yueqin Huang, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For example, one effective subsurface reconstruction method is solving the inverse problems. Different measurements require different forward modeling tool...

2022

Deep learning velocity model building using an ensemble regression approach

Stuart Farris, Guillaume Barnier, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... the learning-based approach in the context of a traditional geophysics inverse problem in which we estimate the true model xtrue 2 X from some observed...

2022

Compaction of Fine-Grained Terrigenous and Carbonate Sediments -- A Review

Philip R. Brown

CSPG Bulletin

... compaction of terrigenous muds is controlled primarily by particle size, and initially in inverse relationship exists between particle size and porosity...

1969

Deep compressed learning for 3D seismic inversion

Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo

International Meeting for Applied Geoscience and Energy (IMAGE)

... recovered with high probability from their measurements: let x = Ψc, where Ψ is the inverse transform, and c is a sparse coefficients vector with only S ≪ N...

2023

Alternative Use of Castor Oil for Vegetable Oil-Based Mud Environmentally Friendly Potential Domestic Oil-Based Mud

Wachid Setyawan, Adnan Syarafi Ashfahani, Kartika Fajarwati, Bonar Marbun, Robert Manurung

Indonesian Petroleum Association

...; +++: significant direct correlation; -: low inverse correlation; --: medium inverse correlation; ---: significant inverse correlation. *) http://en.wikipedia.org...

2011

Hydrology and Water Quality of the Eocene Wilcox Group: Significance for Lignite Development in East Texas (1)

Christopher D. Henry, Joyce M. Basciano, Timothy W. Duex

GCAGS Transactions

... or inverse relationships between many of the constituents. Sodium and bicarbonate increase together in a 1 to 1 ratio of morality or milliequivalents...

1979

Log Analysis of Petrofacies and Flow-Units with Microcomputer Spreadsheet Software

John H. Doveton, Willard Guy, W. Lynn Watney, Geoffrey C. Bohling, Saif Ullah, Dana Adkins-Heljeson

Tulsa Geological Society

... properties of the minerals, while the spreadsheet has computed the inverse matrix below, and used this to transform the RHOMAA and UMAA values to mineral...

1996

Calibration of stiffness parameters for Hardening Soil Model in residual soil from Kenny Hill Formation

Darvintharen Govindasamy, Mohd Ashraf Mohamad Ismail, Mohd Faiz Mohammad Zaki, Mohd Hazreek Zainal Abidin

Geological Society of Malaysia (GSM)

... to the reference pressuremeter test result. Regression analysis Inverse analysis procedure in this study combines a finite element analysis and a parameter...

2019

Fluvial Response to Eocene Tectonism, the Bridger Formation, Southern Wind River Range, Wyoming

Patricia E. Groll, James R. Steidtmann

Special Publications of SEPM

... and others, 1981). They are characterized by poor sorting, lack of internal stratification, and inverse grading. In the distal setting of the study area...

1987

Statistical rock physics analysis and modelling in the Browse Basin

Shuichi Desaki, Yuki Kobayashi, Peter Miklavs

Petroleum Exploration Society of Australia (PESA)

... model (TDM)” to express the inverse V shape behaviour in sand-clay mixture systems (Dvorkin and Guiterrez, 2001; Kobayashi, 2015). This rock physics...

2019

Optimising the Production of Maturing Oil Fields Using Drag Reducing Agents in Water Injection Wells

Jennifer Nelson, Luc Hennion

Indonesian Petroleum Association

... increases, so the resulting drag reduction performance increases. Predictive Performance Calculations A linear relationship exists between the inverse...

2003

Weighted stacking of up-and down-going RTM images using peak signal-to-noise ratio analysis

Sérgio Luiz E. F. da Silva, Ammir Karsou, Paulo H. B. Alves, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... region surrounding the place of interest with a width of 250 m. We employ an RTM technique that relies on the inverse scattering imaging condition...

2024

Controls on Permeability for Unconsolidated Sands from Conventional Core Data Offshore Gulf of Mexico

Michael S. Marzano

GCAGS Transactions

...) is less than 40% and that significant amounts of fine-grained sand only occur at approximately the same Vcs. A regression line showing this inverse...

1988

Integrated Geocellular Static Model for Geomechanical and Dynamic Simulations in the Vaca Muerta Formation

Felipe A. Lozano, Juan P. Palacio, Victoria Lazzari, Carolina Bernhardt, Damian E. Hryb

Unconventional Resources Technology Conference (URTEC)

... in the property distribution. Figure 4 shows the direct correlation trend between the upscaled seismic acoustic impedance and the Young’s modulus and the inverse...

2018

The Role of Positive Feedback in the Development of Internal Oscillations for a Simple, Tightly Coupled, Nearshore Depositional Model

Brian S. Penn, John W. Harbaugh

Special Publications of SEPM

... approaches have not been investigated in any signifi cant detail This condition is due perhaps to the two end member modeling approaches inverse...

1999

Characterization of Subsurface Bedding-Parallel Shear Fractures and Their Influence on Shale Gas Enrichment in Wufeng-Longmaxi Formation, SiChuan Basin, China.

Li-Wei Jiang, Yong He, Dong-Chu Shu, Wei Niu, Feng Pan, Yue Wang, Kai-Xuan Li, Hai-Peng Zhao, Yu Tang

Unconventional Resources Technology Conference (URTEC)

... indicates that the macroporous component has an inverse relationship with the intensity of bedding-parallel shear fractures. The results indicate that bedding...

2019

Depositional Gradient Analysis in Transgressive Systems Tracts and Highstand Systems Tracts, Mid-Late Eocene of the Brazos River Valley, Texas

Thomas E. Yancey, Andrew J. Davidoff, Ted S. Donaho

GCAGS Transactions

... shorezone sands. A few parasequences contain a fining-upwards succession of deposits that is an inverse of the coarsening-upward succession. Most...

1993

Influence of Texture Upon the Response of Detrital Quartz to Deformation of Sandstones

Robert C. Whisonant

Journal of Sedimentary Research (SEPM)

... between texture and the reaction of the detrital quartz to post-depositional deformation. An inverse relationship exists between the percentage...

1970

Insight on the uplift the Wave-Equation Based AVO technology may have on unconventional reservoirs: A case study on the Vaca Muerta Formation, Neuquén Basin, Argentina.

David Curia, Ezequiel Valeff, Francisco Ghersi, Hansel Gonzalez, Pablo Benitez

Unconventional Resources Technology Conference (URTEC)

... indicator, while the Shear Compliance is a lithology indicator, it is completely insensitive to fluid, as the inverse of the Shear Modulus...

2025

Surf Zone Shape Changes in Quartz Grains on Pocket Beaches, Cape Arago, Oregon

C. J. F. Rottmann

Journal of Sedimentary Research (SEPM)

... contribution is indeterminate. The Rittenhouse concept of hydraulic equivalence is based primarily on an inverse relationship between grain size and mineral...

1973

Bulk Density--Water Content Relationship in Marine Silts and Clays

Adrian F. Richards, Terrence J. Hirst, James M. Parks

Journal of Sedimentary Research (SEPM)

... of the data from this line is 2.3016 10-2. The inverse regression version of Eq. 6 is: w = 2.9669 103 - 4.4817 103sat. + 2.3179 103(sat.)2 - 4.0551 102...

1974

Radiaxial Calcite in Lower Miocene Strata, Subsurface Enewetak Atoll

Arthur H. Saller

Journal of Sedimentary Research (SEPM)

... concentrations and have a good inverse correlation with well depth (r = -0.82; [p(|r| >= 0.82) under H(O): rho = 0] = 0.0001). Clear radiaxial calcites have...

1986

The Influences of Biological Activity and Consolidation Time on Laboratory Cohesive Beds

Valeria da S. Quaresma, Carl L. Amos, Mogens Flindt

Journal of Sedimentary Research (SEPM)

...) (Fig. 2D). The erosion rate presents an inverse relationship to the wet bulk density in the form: E = -1.09 (b) + 0.01 kg m-2 s-1 (Fig. 3D...

2004

Experimental Study on Bedforms Created by Density Currents, #50430 (2011)

Juan J. Fedele, David Hoyal, Kristopher Guentzel, Jason Draper

Search and Discovery.com

... and densimetric Froude number (bulk Richardson number is defined as the inverse squared of the densimetric Froude number). 1000 800 600 400 200...

2011

A Geomechanics Approach to Evaluate Gas Shale Frackability: A Case Study with the Woodford Shale; #50913 (2014)

Minh H. Tran, Shengli Chen, Sierra P. Rafael, Younane N. Abousleiman, and Roger M. Slatt

Search and Discovery.com

... profiles. Inverse proportional relations of elastic stiffnesses with clay and organic content were clearly observed with lab measurements and captured...

2014

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