Anatomy of Late Quaternary Adriatic Clinoforms: Mechanisms of Sediment Transport and Mud Accumulation on the Continental Shelf, #50322 (2010)

Fabio Trincardi, Antonio Cattaneo, Domenico Ridente

Search and Discovery.com

...) - sequence architecture and systems tracts partitioning - facies partitioning (mud vs sand) within sequences: depositional and preservation bias...

Predicting Clearwater Formation Natural Fracture Intensity, Athabasca Oil Sands Area; #51286 (2016)

Queena Chou, Andres Altosaar, Kevin Gillen

Search and Discovery.com

... of Directional Sampling Bias Figure 2: Firebag Stratigraphy Figure 3: Firebag Type Well Figure 5: Regional Tectonic Setting Figure 2 shows the generalized...

Enhancing reservoir simulation workflows by coupling a GPU-accelerated full-physics simulator with a Fourier neural operator-based surrogate model

Karthik Mukundakrishnan, Klaus Wiegand, Vidyasagar Ananthan, Daniel Kahn, Dmitriy Tischekin, Marcos Kajita, Clement Etienam

International Meeting for Applied Geoscience and Energy (IMAGE)

..., neural operators are implemented as an iterative process using a bias function 𝑊, as given by equation (7). The algorithm starts from an Fourth...

Extended Abstract: Machine Learning Facies Classification as Applied to the Upper Devonian Duvernay Formation, Western Canadian Sedimentary Basin

Elisabeth G. Rau, Kathy Breen, Scott C. James, Stacy C. Atchley, Anna M. Thorson

GCAGS Transactions

... wells, respectively. Most of the misclassifications were possibly due to bias in the training data such as mis-classification of facies associations...

Inference to the Best Geologic Explanation and Error Types in Reservoir Characterization and Modeling, #40438 (2009)

Y. Zee Ma and Ernie Gomez

Search and Discovery.com

... to Sampling Bias Well 1 Well 2 Formation A 20% (20/100) 16% (8/50) Formation B 30% (30/100) 29% (44/150) Aggregate 25% (50/200) 26% (52/200...

A Regional Lithostratigraphic Model of the Eau Claire Formation (Cambrian): How Much Shale is in the Confining Unit?, #41040 (2012)

R. Lahann, C. Medina, J. Rupp, T. Lovell, B. Bowen, D. Barnes, J. Hickman, R. Bandy, J. Sminchak

Search and Discovery.com

...” (GAMLS). One well per county was chosen in an attempt to avoid spatial bias in the clustering process. Many counties were not represented either owing...

Characterization of the Lias of the Lusitanian Basin, Portugal, as an Unconventional Resource Play, #80376 (2014).

Sean McWhorter, William Torguson, Ron McWhorter

Search and Discovery.com

... TOC values, (3) Tmax differences between sources of data; and (4) bias in Ro data due to basinal location. Based on these analyses, additional work...

Fracture Characterization: From Core to Discrete Fracture Network Model; #41908 (2016)

Doug Bearinger, Chelsey Hillier

Search and Discovery.com

... estimates of fracture intensities after accounting for sampling bias. In wells oriented to cross fractures, the aperture is only fracture dimension that can...

Managing Uncertainty for Better Decision Making, #42488 (2020).

Mark Schneider,

Search and Discovery.com

... that are too narrow are examples of overconfidence bias. Another common bias in prospect evaluations is optimism bias where the distribution percentiles...

Abstract: Exploration Applications of Photogeology and Landsat in Texas

C. Wright-Broughton

South Texas Geological Society Special Publications

... bias, this information has done nothing to change the fact that when a buried structure, feature or trend has surface expression such as a drainage...

Abstract: Examination of Relations Between Modal Components Using Simulation Techniques, by J. C. Butler; #90972 (1976).

Search and Discovery.com

Decomposing Lithification Bias: Preservation of Local Diversity Structure in Recently Cemented Storm-Beach Carbonate Sands, San Salvador Island, Bahamas

Rafał Nawrot

PALAIOS

...Decomposing Lithification Bias: Preservation of Local Diversity Structure in Recently Cemented Storm-Beach Carbonate Sands, San Salvador Island...

Dating fine-grained sericite and illite: new ideas in interpretation of 40Ar/39Ar age spectra using sample encapsulation - Abstract

Paul W. Layer, Jeff Drake, Walt Munly

Alaska Geological Society

... for clays and sericites, up to 40% of all 39Ar can be lost by recoil. Because age is proportional to 40Ar/39Ar, this can significantly bias the age...

Abstract: Dealing with Risk and Uncertainty in Exploration: How Can We Predict? How Can We Do Better?

Peter Rose

Earth Science Bulletin (WGA)

... motivational bias. Analysis of various geological risk factors (structure, reservoir, trap, charge, etc.) may help improve assessment of discovery...

Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

...Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation Umair bin Waheed Kronecker neural networks...

A Simple Guide to Volumetrics

Ashley Francis

GEO ExPro Magazine

... D is with a 5 x 5 moving average, which reduces the GRV estimate to 261 MMm3, an underestimate of 13%. This is GRV bias resulting from smoothing...

An Improved Protocol For Cleaning of Planktonic Foraminifera For Shell Weight Measurement

Bingbin Qin, Tiegang Li, Zhifang Xiong, Thomas J. Algeo, Fengming Chang

Journal of Sedimentary Research (SEPM)

..., heavier) shells, leading to a “heavy bias” in reported weights. Because fragmentation is a common side effect of prolonged ultrasonic cleaning...

Transaction Volume of the 1989 AAPG Mid-Continent Section Meeting

Steve Bridges, George W. Troutman

Oklahoma City Geological Society

... at South Dempsey Field in Rogers County, Oklahoma     B.S. Johnson SECTION II: INNOVATIONS IN EXPLORATION   The Current Economic Bias Against...

Abstract: Climate and Predictive Stratigraphy

Matt Matthews

Houston Geological Society Bulletin

.... This bias forces us to interpret entire stratigraphic sequences as being laid down under similar climatic conditions. In fact, climatic change...

On Specifying the Type of Subsurface Structural Contouring: GEOLOGICAL NOTES

R. E. Rettger

AAPG Bulletin

... based on mechanical or mathematical spacing is ordinarily very conservative and is entirely mechanical. If correctly done, the imagination and bias...

Managing the Impact of Characterization and Modeling Uncertainties on EUR Assessment in Unconventional Plays

Mariano F. Raverta, Olusegun Osadiya, Frederic Brigaud, Arnaud Rostagno

Unconventional Resources Technology Conference (URTEC)

... 1. Data Gathering & QC a. Production data has to be filtered to eliminate outlier points that might be the cause of interpretation bias. b. Bottom...

Basin modelling in the age of AI: A partnership, not a replacement

David Rajmon

GEO ExPro Magazine

... is a manual, iterative process dependent on expert judgment and sometimes influenced by personal bias. AI can help by scanning through large...

Abstract: The Influence of High-Frequency Climate Variability on Paleoclimate Interpretation

Martin Perlmutter

Houston Geological Society Bulletin

... changes to sedimentary delivery systems and environments of deposition caused by the specific climate response. They don’t recognize preservation bias...

Abstract: A 3D Geologic Modeling Study of the Southeast Flank of Humble Field

Anita Trippet

West Texas Geological Society

... of imposing a directional bias and varying the search radius could be observed. Model operations were performed to identify areas where permeabilities...

Memorial: Jodie Gillespie (1971-2012)

Staff

AAPG Non-Technical and Memorials

... and for her kind, sweet, and cheerful way. She was a true egalitarian, never prejudiced nor accepting of others’ social bias. Jodie...