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The AAPG/Datapages Combined Publications Database
Showing 1,680 Results. Searched 200,293 documents.
ABSTRACT: Gravity Signatures of the Deep-Water Reservoirs of Offshore Nigeria, West Africa; #90115 (2010)
A. A. Adepelumi and O. O. Folarin
Search and Discovery.com
... was achieved.Furthermore spectral analyses method was applied to the Bouguer anomaly. The anomaly depth was obtained by computing least-squares fit to the lowest...
2010
Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)
Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram
Search and Discovery.com
...Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014) Kevin...
2014
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... is computed using an assumed velocity model and the wavefield at depth is derived using weighted damped least squares. This method is used to correct common...
2014
Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)
Dali Zhang, Michael P. Lamoureux, Gary F. Margrave
Search and Discovery.com
... wave propagation. Introduction The inversion method of Padé approximation is based on a constrained least squares minimization algorithm...
2014
Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
.... We compute the spectral ratio in the time domain by first designing trace-sequential, least-squares match filters and then Fourier transforming them...
Unknown
Abstract: Interpolation Using Hankel Tensor Completion; #90187 (2014)
Stewart Trickett and Lynn Burroughs
Search and Discovery.com
... using an Alternating Least Squares algorithm. The new interpolator can better handle large gaps and high sparsity than existing completion methods...
2014
Abstract: Accurate Water Saturation Estimation of the McMurray Formation: Wireline Log vs Core Data; #90213 (2015)
Martin Eriksson, Steve Hogan, and Chi-Tak Yee
Search and Discovery.com
... calculated water saturation’s compare across a similar sample interval to that of the core corrected water saturation’s. Finally, by applying a least squares...
2015
Abstract: From Elastic to Geomechanical Properties. Onshore Field Case Study, Saudi Arabia; #90319 (2018)
Sultan Al Otaibi, Ayman Suleiman
Search and Discovery.com
... the AI and the Young’s modulus logs with a least-squares regression line having a correlation coefficient of 99%. The resulting regression line...
2018
Abstract: A New Approach to Automated Well-Log Correlation in Three Dimensions: Examples from the Permian Basin, Texas;
Zoltan Sylvester
Search and Discovery.com
... of pairwise DTW correlations into a least-squares optimization problem that is solved through the conjugate gradient method. The resulting...
Unknown
Abstract: Fracture Detection and Imaging Using Three-Component Borehole Seismic Data; #91204 (2023)
Ali Aldawood, Ali Alzayer, Ahmed Alawami, Abdulmohsen Alali
Search and Discovery.com
... of the fracture infills, orientation, and size. We lastly applied least-squares migration to both the synthetic and field datasets to localize the fault plane...
2023
Abstract: Progress in Multiple Attenuation with Land Seismic Data in the Sultanate of Oman: Examples of Wave-Equation Deconvolution; #91204 (2023)
Najla AlObaidani, Tahar ben Youssef, Rahma Al-Harthy, Gregory Culianez
Search and Discovery.com
... step consists of using least-squares inversion to derive an image of the multiple generators from the data based on the multiple periodicities...
2023
A Geomechanically-Based Inverse Method for Interpolating the Three-Dimensional Stress Field in a Faulted Reservoir, by Eric A. Flodin, Frantz Maerten, and Laurent Maerten; #90041 (2005)
Search and Discovery.com
2005
Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming
Henry P. Heasler , Natalya A. Kharitonova
AAPG Bulletin
... estimates and the delineation of sonic anomalies. Statistical Fitting Technique A least-squares fitting technique is applied to equation 3. However...
1996
Level of Heat Flow in the Western Part of the Tersko-Kuma Depression
G. M. Sukharev, S. P. Vlasova
Petroleum Geology: A Digest of Russian Literature
... of geothermal gradient calculated by the least squares method for wells 18, 11, and 13 for the 1800–3700 m interval are similar. For example, in well 18...
1966
Role of Compaction in Listric Shape of Growth Normal Faults
Hong-Bin Xiao, John Suppe
AAPG Bulletin
.... Therefore, we abandon direct observations of initial conditions for a least-squares inversion. First, let us choose an initial sand porosity...
1989
Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
..., . The modelling matrix may be saved in the computer memory and multiplied with the model several times when solving least squares Kirchhoff migration...
2014
Abstract: Acceleration on Sparse Promoting Seismic Applications; #90187 (2014)
Lina Miao and Felix Herrmann
Search and Discovery.com
...||1 subject to ||Ax – b||2 ), seeking a minimum one-norm solution of an undetermined least-squares problem. Trying to probe the optimum trade-off...
2014
Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).
Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk
Search and Discovery.com
..., Canada 2 Abstract A non-linear singularity-preserving solution to the least-squares seismic imaging problem with sparseness and continuity constraints...
2015
Machine learning-based residual moveout picking
Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja
International Meeting for Applied Geoscience and Energy (IMAGE)
... Adler, F., R. Baina, M. A. Soudani, P. Cardon, and J.-B. Richard, 2008, Nonlinear 3D tomographic least-squares inversion of residual moveout in kirchhoff...
2022
Bayesian uncertainty quantification for reservoir parameter changes estimated from time-lapse machine learning
Jinsong Chen, Chang Li, Lei Wei, Anusha Sekar, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Exhibition, Paper Number SPE-146771-MS, doi: https://doi.org/10.2118/146771-MS. Li, C., M. Meadows, and T. Dygert, 2019, Warping least-squares inversion...
2024
ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS
E. J. Assiter
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... be approximated by a low-order surface, but higher order than a plane. The least squares surface fitting routine for regular or irregularly spaced...
1962
A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia
Edward A. Bryant
Atlantic Geology
... the programs occurs with this interpolation of depth from a regular gridded matrix. The Wilson program uses a least squares fitting based upon the four...
1974
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
.... The inversion builds a layered acoustic impedance (least-squares best fit) model from which a reflectivity series can be computed. With a good result...
1995
Quantitative Characterization of Deformation and Damage in Shale Under Compression Utilizing Digital Image Correlation
Fatick Nath, Edgardo Aguirre, Gabriel Aguirre, Jose L. Perez, Cesar Netro, Flavio Borjas, Valeria Limon
Unconventional Resources Technology Conference (URTEC)
...., Asundi, A., Xie, H., Gao, J., 2009. Digital image correlation using iterative least squares and pointwise least squares for displacement field...
2022
Estimation of Mineralogy and Lithology from Geochemical Log Measurements (1)
RICHARD F. WENDLANDT and KAMAL BHUYAN
AAPG Bulletin
... analyses. Mineral logs calculated using least-squares inversion programs accurately describe changes in mineralogy and mineral proportions once...
1990