Why Most Models Fail: The Importance of Blind Validation

Kerstan Wallace, Chad Gourgues, Carl Bernet, Angela Dang Atkinson, Timothy Yotter

Unconventional Resources Technology Conference (URTEC)

... generation, it leaves most published “conclusions” without true validation. Additionally, due to the well-documented effects of “hindsight bias...

The Hydrodynamics of the Big Horn Basin: A Study of the Role of Faults (1)

J. D. BREDEHOEFT , K. BELITZ , and S. SHARP-HANSEN

AAPG Bulletin

... in an attempt to achieve the best fit. For each computer simulation, two measures of fit were calculated. The bias is defined as the mean error: (Equation...

Project Overruns: Why are We Still Getting it Wrong?

Gareth D. Lee, Simon P. Whitaker, Martin Wilkes

Australian Petroleum Production & Exploration Association (APPEA) Journal

...: bias, costs, decision making, optimism, project management, risk, schedule, uncertainty. Accepted 28 February 2017, published online 29 May 2017 What...

The Power of the Portfolio

Dean Hennings

GEO ExPro Magazine

... personal bias and characterize the sub­urface risk and s potential of leads and prospects in a consistent manner. The RCT accomplishes this through peer...

Diversity and Inclusion „ Moving the Needle in Indigenous Employment and Engagement

Mark Williamson, Mark Wilson

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with the recognised need to apply a positive bias has seen the initial targets exceeded within the first year of operation: the indigenous engagement level being...

Chevrons Journey in Keeping Diversity and Inclusion on the Agenda

Christopher Watts, Elizabeth Shaw

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with the actions described in detail below. training modules to educate supervisors and the broader workforce on Inclusive Behaviours, Inclusive Habits and Bias...

Preparation of Soil Sampling Protocols: Sampling Techniques and Strategies

Benjamin J. Mason

Houston Geological Society Bulletin

... wight is collected for the given particle size range in the sample, then subsampling techniques can be a means for reducing the bias and error within...

A new double-difference earthquake relocation algorithm for models with complex velocity structure

Xinding Fang, Siwei Li, Zhixiang Zhang, Tianrun Chen, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... the calculated traveltime and thus introduce bias into the inversion. To overcome this limitation, we develop a new double-difference earthquake...

A Comparison of Two Methods of Quantitative Mineralogical Analysis of Sedimentary Rocks: NOTES

M. J. Kaye , A. C. Dunham , D. M. Hirst

Journal of Sedimentary Research (SEPM)

... in table 2, are reasonably close to 100 with the possible exception of sample RB8. There is no apparent strong bias towards high or low totals, as might...

Consideration to Data Driven Solutions for the Acquisition of New Marine 3D Seismic Data

Julie Willmore, Brad Torry, Henrik Roende, Chris Egger, Adriana Thames

GCAGS Transactions

... boundary. In reviewing the rose diagrams, it becomes clear that there exists a bias towards certain azimuths based on the location of the measurement...

Moment and Graphic Size Parameters in the Sediments of Lake Geneva (Switzerland)

J.-M. Jaquet, J.-P. Vernet

Journal of Sedimentary Research (SEPM)

... values can be explained by good sorting and low KG by strong skewness. Correcting for this bias would bring the cluster "A" down and closer...

Intuition AI to Estimate Reservoir Fluid Properties in a More Definitive Way

Rabindra Chakraborty, Manoj Raghorte, Catherine Donohue, Hani Elshahawi

GCAGS Transactions

... human bias and form or refine situational guardrails. Intuition AI has several unique features listed below, that are useful for reservoir evaluation...

The battle between Frankenstein and Gilligan and the Law of Increasing Reservoir Complexification: What matters in three-dimensional reservoir characterization modeling?

D. K. Larue

AAPG Bulletin

... for operator confirmation bias and is most likely not a true p50 with equal likelihood of outcomes on either side of the model? This is essentially...

Sequence Stratigraphy Applied to Log Interpretation: Improving Methodology by Means of Signal Processing Techniques and Outcrop Calibration; #90017 (2003)

P. J. Y. M. Rabiller, F. Robail, E. Remacha, L. Richard, F.-J. Sancho-Jaquel, F.Climent, L. P. Fernandez

Search and Discovery.com

... stratigraphy and sedimentary bodies' architecture while improving their consistency by minimizing any possible operator bias. Secondly, it is meant...

Abstract: Estimating Q from Hydraulic Fracture Related Seismicity; #90187 (2014)

Gisela Viegas, Adam Baig, Ted Urbancic, Eric von Lunen, Jason Hendrick, and Sean Lovric

Search and Discovery.com

... the way the seismic energy is dissipated during wave propagation. If not properly accounted for attenuation can bias calculations of earthquake source...

Staged Stochastic Inversion; #41720 (2015)

Arnaud Huck, Ayrat Sirazhiev, Richard Huis in’t Veld, Andries K.T. Wever, Claire Pierard

Search and Discovery.com

..., which constitutes a fully automated and human-bias-free interpretation. 2) Second, after validating and fixing the geologic formation, the actual target...

A Practical Application of Data-Driven 3D Automatic Fault Extraction for En Echelon Faults: A Case Study from Malay Basin, #11176 (2019).

Tengku Mohd Syazwan Tengku Hassan, Lee Chung Shen, Jimmy Ting and Joseph P. Dominguez

Search and Discovery.com

...-intensive, affected by trace bias and interpreter’s subjectivity, while the AFE approach generates fast and precise interpretation. The workflow...

Reservoir Insights Enabled by Machine Learning Technology: A Supervised Machine Learning Method for Probabilistic Rock Type Prediction; #42465 (2021)

Bruno de Ribet, Gerardo Gonzalez

Search and Discovery.com

... as an associative combination is preferred • A neural network is designed to learn in a specific way. Using only one supervised neural network tends to bias...

Closing the loop between acquisition and processing: Data-driven volumetric SNR estimation versus acquisition design predictions

Andrey Bakulin, Ilya Silvestrov, Pierre Leger

International Meeting for Applied Geoscience and Energy (IMAGE)

... and suffer from processor bias. We propose a new workflow that can streamline the design process, remove human bias, and close the loop between...

ABSTRACT: Advantages And Challenges In Drilling Horizontal Cbm Wells: A Geomechanical And Modeling Study In The San Juan Basin, USA

Thomas Gentzis

The Society for Organic Petrology (TSOP)

...  and  sampling  bias.  A  reduction  by  30%  was  used  to  correct  for   a  typical  4.75-­‐inch  diameter  horizontal...

Setting environmental standards: A statistician's perspective

Peter Guttorp

Environmental Geosciences (DEG)

... standard is outlined in the section on the Barnett-O'Hagan setup. Finally, the section on network monitoring bias looks at the potential bias of using...

Jurassic to Lower Cretaceous Stratigraphy of the Eromanga Basin, South Australia - Problems and Progress in Subsurface Correlation

D. I. Gravestock

Petroleum Exploration Society of Australia (PESA)

.... Exploration drilling of anticlines exhibiting crestal thinning has resulted in a data bias towards the non-depositional end of the sample spectrum...

Abstract: Episodic Sedimentation of Ancient Shelf Sandstones

Robert H. Dott, Jr.

Earth Science Bulletin (WGA)

... sedimentary realms. Once the constraints of Lyellian constancy and of the fair-weather bias are broken, we can appreciate the great importance of episodic...

ABSTRACT: Historiography of Petroleum Companies

Rasoul Sorkhabi

Petroleum History Institute

... Aramco). The North American bias may be result of the fact that the most of the literature in this field may have indeed been published in North...

Front Matter

AAPG Special Volumes

... in similar areas. To use analogs in basin assessment without bias or danger of miscomparison or misapplication, a geologist needs to have access to a broad...