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The AAPG/Datapages Combined Publications Database
Showing 1,680 Results. Searched 200,357 documents.
Abstract: Statics and Trace Regularization; #90211 (2015)
Robert Ferguson
Search and Discovery.com
... of seismic data is investigated by treating wavefield extrapolation as a least-squares inversion problem. Weighed, damped leastsquares is then used...
2015
Abstract: STRUCTURAL ANALYSIS OF FRACTURE AND VEIN VARIATIONS NEAR FAULTS IN UTICA BLACK SHALE, MOHAWK VALLEY, NEW YORK STATE; #90249 (2016)
Alex O'Hara
Search and Discovery.com
... bedrock through the use of multilinear multivariate and partial least squares statistical analyses. These characteristics include average fracture...
2016
Abstract: Case Study of Advanced Seismic Imaging to Illuminate Low Reflectivity Carbonate Reservoirs in Offshore Abu Dhabi, UAE; #91204 (2023)
Mohamed Mahgoub, Khalid Obaid, Oleg Khakimov, Saif Al Mesaabi
Search and Discovery.com
... Least Squares Migration improved the low frequency stability and AVA response of the final data. In this publication we present the workflow...
2023
Fast
Search and Discovery.com
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EUR Assessment of Unconventional Assets Using Machine Learning and Distributed Computing Techniques
Zhenyu Guo, Chaohui Chen, Guohua Gao, Richard Cao, Ruijian Li, Chunlei Liu
Unconventional Resources Technology Conference (URTEC)
..., 2016. Cortes, C., and Vapnik, V. 1995. Support-vector networks. Machine learning, 20(3), 273-297. De Brabanter, K. 2011. Least squares support vector...
2017
Next-generation resolution through multiparameter FWI imaging
Tom Rayment, James McLeman, Karen Dancer, Tim Burgess
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This least-squares imaging solution uses primaries, multiples and ghosts to deliver higher-resolution images than traditional imaging algorithms...
2022
Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia
Mike Hartley, Shuo Ji, Alex Browne
Petroleum Exploration Society of Australia (PESA)
... is an important step in multiple removal. The flexibility of frequency-dependent least squares global adaption, used in conjunction with the accuracy of curvelet...
2016
Estimation of the Information Capacity and Practical Significance of Relationships used in Geophysical Logging
A. I. Volkova, L. B. Dvorkin
Petroleum Geology: A Digest of Russian Literature
..., A. S., 1958, Method of least squares from principles of probability theory: Geodezizdat. Geophysical logging studies often use various empirical relationships...
1966
Difficult Lithologies: Part 4. Wireline Methods
Khaled Hashmy, Mark Alberty
AAPG Special Volumes
... these equations effectively for a solution. The more commonly used methods are -- Graphical crossplots -- Linear matrix solutions -- Weighted least squares...
1992
Synthetic Well Log Generation Using Machine Learning Techniques
Oyewande Akinnikawe, Stacey Lyne, Jon Roberts
Unconventional Resources Technology Conference (URTEC)
... or power, or interactions between input variables. The most popular estimation method for linear regression is least squares method. Least square...
2018
A study on lossy compression for background wavefield storage in LSM
Átila Saraiva Quintela Soares, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... rate (bpd) 4 tolerance 16 28 40 52 10 − 910 − 610 − 410 − 310 − 2 (a) |m lossless − m lossy|2 2 Least-squares reverse time migration (LSRTM...
2024
A method of relative impedance holography-inversion based on reflection coefficient inversion
Jiangfeng Zheng, Jialin Sun, Zongyu Zhen, Shaoxuan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...) for spectrum inversion. OMP algorithm can reduce the searching range evidently in each iteration by the least-squares method, and proves to be more...
2022
Improving subsalt imaging using mode-converted waves and volumetric coherent noise attenuation in southern Gulf of Mexico
Riaz Alai, Nik Nur Halim C. Soh, M Shah B. Sulaiman, M. Iqbal Supardy, Kien Kok Lee, Sandeep Kumar, Syazwani Bt Suhairi, Christian Brinzer, Frederico Xavier de Melo, Hongyan Li, Iestyn Williams, Hugo Enrique Munoz Cuenca, Nolan Brand, Kate Glaccum, George Zhao, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Verschuur, 2003, Simultaneous adaptive least-squares subtraction of multiples: 65th Annual International Conference and Exhibition, EAGE, Extended...
2024
The "Sorting Out" of Geological Variables Illustrated by Regression Analysis of Factors Controlling Beach Firmness
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... in the machine first computing by least squares methods the linear coefficients of the line of regression of beach firmness on each independent...
1959
Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)
Kristof De Meersman, Chris Ansorger
Search and Discovery.com
... as ‘Coherent Noise Attenuation’ (CNA). This localized least squares fkfilter is implemented in the fx domain and allows for irregular spatial sampling...
2015
A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water
Selim Simon Shaker
GCAGS Transactions
... in reference to subsea. The least squares fit for all the sand data measurement are linear with R2 values of 0.99 (Figs. 7 and 8). This is in agreement...
2015
Clay Typing, Mineralogy, Kerogen Content and Kerogen Characterization from DRIFTS Analysis of Cuttings or Core
Michael Herron, MaryEllen Loan, Alyssa Charsky, Susan L. Herron, Andrew E. Pomerantz, Marina Polyakov
Unconventional Resources Technology Conference (URTEC)
... Tmax values. DRIFTS Mineralogy and FTIR The DRIFTS methodology of performing a weighted least squares regression of a sample spectrum on a library...
2014
AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 2: Modeling Thermal Histories: How Important Are Thermal Conductivity Data?
Gallagher, K.
AAPG Special Volumes
..., reported as formation matrix thermal conductivities by Deming et al. (1992, 1996), was used to determine least-squares estimates of the matrix...
2003
The Age of Illite Cement Growth, Village Fields Area, Southern North Sea: Evidence from K-Ar Ages and 18O/16O Ratios
A. G. Robinson , M. L. Coleman , J. G. Gluyas
AAPG Bulletin
... 14 shows the data for Ravenspurn North, Cleeton, and Hyde field illites plotted on such a isochron diagram. The best-fit, unweighted, least squares...
1993
Estimating the Line of Correlation
Norman Macleod, Peter Sadler
Special Publications of SEPM
... no assumptions with respect to differences between biostratigraphic datum types Least squares linear regression has a long history of use in graphic...
1995
Quantifying Detection Limits and Uncertainty in X-ray Diffraction Mineralogical Assessments of Biogenic Carbonates
Karen L. Vyverberg, John M. Jaeger, Andrea Dutton
Journal of Sedimentary Research (SEPM)
... in fossil coral samples. We compare the accuracy and precision of an ordinary-least-squares and a weighted-least-squares regression technique for low...
2018
Study on fluid discrimination method based on prestack frequency-dispersion characteristics
Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu
International Meeting for Applied Geoscience and Energy (IMAGE)
... f ) B (t ) ( f f )C (t ) 0 n m 0 n m 0 n m By the least squares inversion (SVD) equations (15) and (16), we can get the I a , I b and I c...
2022
Dual constrained reservoir modeling with geological factors and seismic attributes for exploration stage
Hongmei Luo, Yiran Xing, Changjiang Wang, Zhijing Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... a quadratic polynomial nonlinear relation is established by the least squares method between the fan's advance distance(L), width-to-depth ratio(k), boundary...
2023
Analysis of Electromagnetic Induction Logs to Investigate Saltwater Intrusion into an Alluvial Aquifer
Glenn W. Garneau
Environmental Geosciences (DEG)
... (42,000 mg/L; Figure 4). The resulting profiles were then plotted on depth-normal probability axes, and a least-squares regression line was fit to them...
1996
Wolfcamp Hydraulic Fracture Test Site Drained Rock Volume and Recovery Factors Visualized by Scaled Complex Analysis Method (CAM): Emulating Multiple Data Sources (Production Rates, Water Cuts, Pressure Gauges, Flow Regime Changes, and b-Sigmoids)
Ruud Weijermars, Kiran Nandlal, Murat Faith Tugan, Ron Dusterhoft, Neil Stegent
Unconventional Resources Technology Conference (URTEC)
... (DCA) least-squares regression fit based on Arps hyperbolic equation (Tugan and Weijermars, 2020a). Also included is a detailed analysis of the flow...
2020