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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,673 documents.
Lithofacies prediction of shale based on broadband spectral inversion
Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the Least squares QR decomposition algorithm(LSQR) and simulated annealing algorithms are combined in the optimization solution. The simulated...
2022
Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East
Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto
International Meeting for Applied Geoscience and Energy (IMAGE)
...-based decomposition matching, followed by a multi-dimensional and multi-frequency simultaneous least-squares subtraction. Results Although...
2023
CSPG/CSEG/CWLS GeoConvention 2011; - Abstracts, #90173 (2015).
Search and Discovery.com
2015
Continuous Lookback, Calibration, and Adjustment Reduces Biases and Improves Reliability of Production Forecasts
Malik Alarfaj, Duane A. McVay
Unconventional Resources Technology Conference (URTEC)
... and McVay (2020) showed that CB can be estimated from the slope of the least-squares best-fit line of the calibration curve and DB can be estimated from...
2021
Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation
Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS
GEO ExPro Magazine
.... Blue arrows indicate and least-squares migration (LSM) use the improvements in the Cretaceous and Jurassic. extra-broad frequency range recorded...
2020
Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)
Hassan Khaniani, John C. Bancroft, and Eric von Lunen
Search and Discovery.com
...) to estimate high resolution subsurface properties from waveform information contained in seismic data. FWI is a least-squares approach to minimize...
2014
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... coefficients, but instead of using a Weiner prediction filter with a least squares approximation the rank reduction method utilizes the singular value...
2014
A Procedure for Computing the Lattice Constants of Some Crystal Systems
S. H. Chan
Geological Society of Malaysia (GSM)
... by means of the method of least-squares. In this paper the method for solving equations (1) and (2) will first be presented. This is followed...
1976
The Importance of the Pseudo N-D Logs in Petrophysical Analysis of Well Tembang-8ST4 (A Case Study)
Yana Hendrayana, Bowo Pangarso, Miftahul Firdaus
Indonesian Petroleum Association
... Regression (MLR). MLR allows us to predict an output log from a number of different input logs using a least squares regression routine, which finds...
2013
Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand
Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim
Petroleum Exploration Society of Australia (PESA)
... of diving-wave FWI followed by four CIP tomography updates. Then, Q-FWI was performed to resolve the shallow gas Q bodies, followed by least-squares FWI using...
2019
Study of the Relationship of Sedimentation and Structural Growth Using Trend Analysis
G. P. Myasnikova, V. I. Shpil’man
Petroleum Geology: A Digest of Russian Literature
... by the method of least squares. For calculation of the coefficients we used a program of correlational and regression analysis (Lorreg) compiled a few years...
1973
Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)
Amin Baharvand Ahmadi, Igor Morozov
Search and Discovery.com
...) dependencies and fit straight lines to them by using the least squares method. Figure 3: Calibration of the 3-D VSP and surface seismic data at the same...
2015
Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)
Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay
Search and Discovery.com
... be subtracted from the record either by straight subtraction (Figure 1c) or by least squares subtraction, if desired. Figure 3a, 3b and 3c show...
2015
Non-Equilibrium Source-to-Sink Systems: Controls and Examples, #30308 (2013)
Ole J. Martinsen, Tor Somme
Search and Discovery.com
... of reasons. Understanding these controls is imperative for confident application to ancient systems and consequently for prediction in hydrocarbon...
2013
Finding a Better Path to Impedance Inversion; #41722 (2015)
Amit Kumar Ray, Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... a linear weighted-sum of the input seismic attributes in such a way that the error between the predicted and the target log is minimized in a least...
2015
Application of Real Time Mass Spectrometry During Development Drilling, Qannik Field, North Slope, Alaska, #90110 (2010)
Courtney Turich, Heather Perfetta, Dariusz Strapoc, Renee Hannon, Gerald Eric Michael
Search and Discovery.com
..., but typical of shallow marine progradational facies. Using the atomic mass unit data alone, a partial least squares (PLS) regression model was developed...
2010
-- no title --
user1
Search and Discovery.com
... in the premigration pre-stack domain based on a dataset from this region. The workflow involved least-squares multiple imaging to obtain a reliable reflectivity...
Unknown
Velocity continuation with Fourier neural operators for accelerated uncertainty quantification
Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
...–A1487, doi: https://doi.org/10.1137/110845598. Nemeth, T., C. Wu, and G. T. Schuster, 1999, Least-squares migration of incomplete reflection data...
2022
Identifying and Quantifying Significant Uncertainties in Basin Modeling
Paul J. Hicks Jr., Carmen M. Fraticelli, Jennifer D. Shosa, Martine J. Hardy, Michael B. Townsley
AAPG Special Volumes
... to the calibration data using a weighting parameter related to the fit to each calibration point. Fit in this case is based on a least squares analysis...
2012
Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis
Jaewook Lee, Un Young Lim, David Lumley
Unconventional Resources Technology Conference (URTEC)
...(curvature) terms of the AVO curves depending on the changes in the rock properties. We apply a least-squares curve fitting method to calculate the three...
2020
Bottom Currents And Sediment Transport on San Pedro Shelf, California
David E. Drake, David A. Cacchione, Herman A. Karl
Journal of Sedimentary Research (SEPM)
... surface-wave-induced currents and a least-squares fit was computed for mean speeds as a function of ln z, where z is distance above the bottom. In cases...
1985
Fracture Control of P-wave Azimuthal Anisotropy in a Laramide Basement-cored Anticline at Casper Arch, Wyoming: Insights from Correlations with Surface Analogs and Curvature Analyses
Duke Cooley, Eric Erslev
AAPG Special Volumes
... azimuthal normal move-out corrections at small spatial and temporal intervals. This improves seismic resolution by performing a linear least-squares fit...
2013
Hyperspectral imaging for the determination of bitumen content in Athabasca oil sands core samples
Michelle Speta, Benoit Rivard, Jilu Feng, Michael Lipsett, and Murray Gingras
AAPG Bulletin
... TBC” herein.The relationship between the spectral TBC estimates and the true TBC was evaluated by linear least squares regression analysis. In all...
2015
CSPG/CSEG/CWLS Convention 2006; - Abstracts, #90211 (2015).
Search and Discovery.com
2015
Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology
O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness
AAPG Special Volumes
.... The slopes of the straight lines in Figure 7, fitted by least squares, yield the average depth, h, to the tops of the magnetic sources according...
1991