EIA Expanded Geographic Coverage of Oil and Natural Gas Production: EIA-914 Survey Expansion and its Implications on EIA Reporting and Forecasting, #70237 (2017).

Gary Long, Jeffrey Little, Barbara Mariner-Volpe, Neal Davis, Elizabeth Panarelli, Emily Geary, Olga Popova

Search and Discovery.com

..., Inc. (DI) and data reported on Form EIA-914. The relationship between DI data and Form EIA-914 data is modeled using a Weighted Least Squares (WLS...

Assisted History Matching using Bayesian Inference: Application to Multi-Well Simulation of a Huff-n-Puff Pilot Test in the Permian Basin

Esmail Eltahan, Reza Ganjdanesh, Wei Yu, Kamy Sepehrnoori, Hunter Drozd, Raymond Ambrose,

Unconventional Resources Technology Conference (URTEC)

... constant, 𝑝𝑝(𝜃𝜃) is the prior PDF, and 𝐹𝐹(𝜃𝜃) is the objective function, may be defined by the simplified least-squares form...

The practice of graphical fluid-gradient interpretations of formation tester pressure data

Andrew Chen

AAPG Bulletin

... using ordinary least squares methods. A linear regression model assumes that a homogeneous reservoir fluid exists across the entire formation interval...

Abstract: Modified-Slope Mass Rating (M-SMR) System: Application to Rock Slopes Underlain by Ultramafic Rock in Telupid, Sabah, Malaysia

Ismail Abd Rahim

Geological Society of Malaysia (GSM)

... using the UCS test, Deere’s RQD method, weighted average of discontinuity set spacing, weighted average and statistical mode, weighted average, and new...

ABSTRACT Spatial and Temporal Variations in Geometry and Distribution Patterns of Sheet-like Turbidite Sandstone Beds Within a Forearc Submarine-Fan Succession of the Pliocene Kiyosumi Formation on Boso Peninsula, Central Japan, #90104 (2010)

Uramoto Go-ichiro; Ito Makoto

Search and Discovery.com

... in the middle part of the formation and obtained thickness‐weighted center of the deposits.     Switching patterns of weighted center of a bed relative...

Abstract: Geochronology of the Moly Brook Mo-Cu deposit, southern Newfoundland: implications for local and regional granite-related metallogeny

Edward Lynch, David Selby, Vicki McNicoll, Martin Feeley, Derek Wilton, Andrew Kerr

Atlantic Geology

... deposit, in which molybdenite is paragenetically associated with lode tungsten mineralization, yield a weighted mean Re-Os model age of 381.4 ± 1.2 Ma...

Diffusion-weighted nuclear magnetic resonance imaging (DWI) for fluid flow direction and intensity recognition in carbonates – examples from Permian reefs

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Application of Data Reconstruction Techniques Based on Compressive Sensing in Onshore Acquisition; #70244 (2017)

Jinglei Yang

Search and Discovery.com

.... Introduction 2. Weighted matching pursuit 3. Field data application 4. Conclusions 2016 AAPG/SEG International Conference and Exhibition Introduction...

Merging Physics and Data-Driven Methods for Field-Wide Bottomhole Pressure Estimation in Unconventional Wells

Diego Molinari, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... models with no physics – namely, ordinary least squares (OLS) regression, lasso regression, and support vector regression. Polynomial features...

Chapter 13: The Zama Discovery in Salina del Istmo Basin, Offshore Tabasco: “A New Dawn” for Offshore Mexico Exploration

David Kosmitis, John Parker, Michael Albertson, Alex Obvintsev, David Tett, James Pasley, Matthew Carr

AAPG Special Volumes

... the Zama-1SON well was drilled, ION reprocessed the data again using a higher frequency of 60 Hz and a least-squares RTM. ION also output RTM surface-offset...

Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

... Scienze Naturali, Sez. A, v. 42, p. 113-162. BARRODALE, I., AND ERICKSON, R.E., 1980a, Algorithms for least-squares linear prediction and maximum...

Hybrid Physics and Data-Driven Modeling for Unconventional Field Development … Onshore US Basin Case Study

Jaeyoung Park, Akhil Datta-Gupta, Ajay Singh, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... algorithm setting for preliminary algorithm training and validation. For polynomial regression, ordinary least squares linear regression with 2nd degree...

Abstract: Optimization of SAGD Process Accounting for Geological Uncertainties Using proxy Models; #90187(2014)

Eugene Fedutenko, Chaodong Yang, Colin Card, and Long Nghiem

Search and Discovery.com

... terms; and aij are the coefficients of cross (interaction) terms. The coefficients are typically estimated by the least squares fitting of the model...

New U-Pb Zircon and 40AR/39AR Age Constraints on the Late Mesozoic to Cenozoic Plutonic Record in the Western San Juan Mountains

David A. Gonzales

Rocky Mountain Association of Geologists

... Society of America Bulletin, v. 108, no. 7, p. 757–767. York, D., 1969, Least squares fitting of a straight line with correlated errors: Earth...

Revised stratigraphy, regional correlations and new bentonite radiometric ages for the Albian Loon River Formation, Fort St. John Group, northwestern Alberta

B. Hathway, G. Dolby, D. H. McNeil, S. L. Kamo, M. T. Heizler, N. Joyce

CSPG Bulletin

... in Petra® using the ‘highly connected features (least squares)’ option. Figure 4. Structure contour maps for (A) TS1. Solid blue line marks the zero...

End-Member Modeling of Siliciclastic Grain-Size Distributions: The Late Quaternary Record of Eolian and Fluvial Sediment Supply to the Arabian Sea and Its Paleoclimatic Significance

Maarten A. Prins, Gert Jan Weltje

Special Publications of SEPM

... weighted least decomposition of X obtained from constrained approximations to the singular value Weltje 1994 1997a Because the true number squares...

ABSTRACT: Evaluation of Programmed Algorithms for Computer-Generated Contour Maps, by Scott R. Green and Arthur E. Burford; #91041 (2010)

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Abstract: Geohazards Assessment, Data Integration and Visualization via ArcGIS (Paper P42)

M. Zulkifli, D. A. Bean, T. K. Tiong

Geological Society of Malaysia (GSM)

... risk assessment workflow provides risk quantification at any given location within an evaluated area through a weighted risk map deliverable...

Fracture Permeability and High Initial Water Cut in a Carbonate Gas Reservoir: ABSTRACT

Richard P. Major

AAPG Bulletin

..., thickness-weighted porosity values for productive stratigraphic intervals indicates that porosity does not decrease across the northern limit...

ABSTRACT: Potential Opportunities Below the Oil-Water Contact of the Arab D Reservoir, Awali Field; #90051 (2006)

Jonna Dayakar Rao, Cheruku Bapu Reddy, Maysa Yousif Mohamed, Masoud Mohamed Faqihi

Search and Discovery.com

... flank. Estimation of residual oil in place is based on weighted average water saturation and weighted average porosity with two water saturation cut...

ABSTRACT: Basin Evaluation: A Tool to Help Assess the Petroleum Prospectivity of Australias Offshore Frontiers; #90061 (2006)

A.E. Stephenson

Search and Discovery.com

... is risked for both geology and economics. Two versions of the geologic risking have been developed, involving eleven weighted risk factors, or four...

Abstract: A Seismic Geometry Experiment: Testing Orthogonal vs. Megabin vs. Slimbin and 5D Minimum Weighted Norm Interpolation; #90187 (2014)

Emily Duncan, Ann O’Byrne, and Jillian Dalsin

Search and Discovery.com

...Abstract: A Seismic Geometry Experiment: Testing Orthogonal vs. Megabin vs. Slimbin and 5D Minimum Weighted Norm Interpolation; #90187 (2014) Emily...

Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)

David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh

Search and Discovery.com

...Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015) David W. Eaton, Jubran Akram, Andy St-Onge...

The Application of Induced Gamma-Ray Spectroscopy in Cased Hole Formation Evaluation in Sumatra, Indonesia

W. D. Morgan, R. C. Hertzog

Indonesian Petroleum Association

...-telementry, see Figure 3. The spectral yields are analyzed by the logging computer. The elemental yield measurements are based on Weighted-Least-Squares...

Evaluating Gas Production Performances in Marcellus Using Data Mining Technologies

Qiumei Zhou, Robert Dilmore, Andrew Kleit, John Yilin Wang

Unconventional Resources Technology Conference (URTEC)

... length) through a function. In other words, a line could be drawn on the scatter plot consisting of response and predictors(s). The Least-Squares...