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The AAPG/Datapages Combined Publications Database

Showing 1,680 Results. Searched 200,357 documents.

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Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... the inversion of the aliascontaminated scale coefficients. The mask function is incorporated into the inversion via a minimum norm least squares algorithm...

2014

Estimating Parameters for Hierarchical Permeability Correlation Models

Zhenxue Dai, Robert W. Ritzi Jr., David F. Dominic

Special Publications of SEPM

..., and transition probabilities. We adopt a least-squares estimation criterion and use the Levenberg–Marquardt method. We impose constraints so...

2004

Coherent attribute enhanced fault recognition method based on histogram homogenization

Qing Zhou, Rui Wu, Chengcheng Xu, Yong Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... REFERENCES Bednar, J. B., 1998, Least-squares dip and coherency attributes: The Leading Edge, 17, 775–776, doi: https://doi.org/10.1190/1.1438051...

2024

Perspectivities in the Solar System: DISCUSSION

D. H. Hall

CSPG Bulletin

... relation, is a hyperbola rather than a logarithmic curve as stated. A least squares best-fit of (1) to the points plotted in Fig. 5 gives, with x...

1961

Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin

Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima

GEO ExPro Magazine

... to the main products. Text: Yermek Balabekov, Yang Yang, Sriram Arasanipalai; PGS Full Waveform Inversion (FWI) followed by Least-Squares Migration (LSM...

2022

Borehole gravity in Horizontal Wells

Andrew J. Black, Jennifer Hare

Petroleum Exploration Society of Australia (PESA)

... straightforward involving a linear least squares fit of repeated measurements at the gravity stations but these tend to involve most processing time...

2018

Production Allocation and Fluid Fingerprinting in Conventional Reservoirs

Craig D. Barrie, Eric Michael

GEO ExPro Magazine

... contributions by solving equations (e.g. least squares best fit) and uncertainty estimation NO “ONE SIZE FITS ALL” APPROACH The primary output from...

2023

COMPUTER TECHNOLOGY

Brian Shaw

Journal of Sedimentary Research (SEPM)

... is a difficult problem that has not found a completely satisfactory olution. Two methods, maximum likelihood calculations and non-linear least squares, have...

1981

Abstract: Towards Using Harmonic NoiseŽ to Image Shallow Thin Reflectors; #90187 (2014)

Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, Andrew Barrett, and Helen Isaac

Search and Discovery.com

... of algorithms that decomposed harmonics from a single vibrator sweep. The Gabor transform and least squares methodology were used by Harrison et al. (2012...

2014

Microseismic Monitoring of a Multi-Stage Fracture in the Bakken Formation, SE Saskatchewan; #51061 (2015)

Rob Kendall

Search and Discovery.com

... the 12, 3-component array centered on the Bakken. Figure 5. Microseismic events as shown in top view (left) and side view (right). A least squares...

2015

Decline Curve Analysis in Vaca Muerta with Choke Size Normalization of Gas Rates

Mohamed Bennis, Juan Gellert, Martín Nougués, Pablo Crespo

Unconventional Resources Technology Conference (URTEC)

... are then inputted for DCA. Using a least-squares linear regression method, a Duong model is fitted to the normalized gas rates for each well. Figure 5...

2020

The Earths radial conductivity model derived from the latest CSES and Swarm satellite data

Mingquan Lai, Xiuyan Ren, Changchun Yin, Yunhe Liu, Bo Zhang, Yang Su

International Meeting for Applied Geoscience and Energy (IMAGE)

... into frequency domain using a Fourier transform. Then, by applying the segmented averaging method (Semenov & Kuvshinov, 2012) and the robust least-squares...

2023

Using Fluid-Induced Microseismics to Image Permeability

Andrew King, Tobias Müller

Unconventional Resources Technology Conference (URTEC)

... consisting of a least-squares fit to the pressure or virtual pressure observations along with any prior information we have. (In the examples shown...

2016

Abstract: High Resolution 5D Interpolation: Measuring and Compensating for 5D Leakage; #90174 (2014)

Peter Cary and Mike Perz

Search and Discovery.com

... interpolation (Trad, 2009) generates the new data by using two constraints, a least-squares fitting constraint on the input data and a weighted L2-norm...

2014

Robust phase-driven time warping FWI for salt reconstruction

Guanghui Huang, Alejandro Alcudia-León, Jaime Ramos-Martínez, Nizar Chemingu

International Meeting for Applied Geoscience and Energy (IMAGE)

... for overcoming cycle-skipping, to conventional least-squares FWI aimed at refining the velocity field. Our new approach prioritizes phase alignment between...

2024

Verification of Tortuosity Equations: GEOLOGICAL NOTES

S. R. Faris , L. S. Gournay , L. B. Lipson , T. S. Webb

AAPG Bulletin

... distribution data for the samples. The data of columns 7 and 8 were used to obtain a least-squares solution for the relationship between T and F^phgr...

1954

Multicomponent seismic data vector reconstruction via quaternionic matrix factorization

Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... problem can be solved via the quaternion alternating least-squares algorithm (Xu and Mandicz, 2015). The solution of equation (8) is as follows,  Al +1...

2023

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

... then is to determine the weight values. This is most commonly done using a least-squares approach. Non-linear methods do not assume...

2012

Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs

C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean

Indonesian Petroleum Association

..., the aquifer pressure gradient was calculated from these points using the least squares method. For all the other wells a "mean" Tunu aquifer pressure...

1987

Robust reconstruction via orthogonal matching pursuit with Fourier operators

Ji Li, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., or l1 ). The fitting stage is implemented via Iterative Reweighed Least-Squares (IRLS) method (Holland and Welsch, 1977). We then transfer the optimized...

2022

Reflection waveform inversion assisted by full-wavefield imaging

Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

...-FWI), where inversion-based imaging explains the reflection data by estimating the reflectivity model. The least-squares reverse-time migration (LSRTM...

2022

The Isotopic Age of the Flathead Sandstone (Middle Cambrian), Montana: NOTES

Sambhudas Chaudhuri, Douglas G. Brookins

Journal of Sedimentary Research (SEPM)

... method with a resultant age of 555 ± 18 m.y. and initial Sr (87/86) of 0.7183 ± 0.001 as determined by least squares analysis. A single Rb-Sr age...

1969

New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)

M. Kemper

Geological Society of Malaysia (GSM)

... the synthetic seismic Spp(θ) so obtained with the real seismic Sreal(θ). Use some optimization apparatus (e.g. the conjugate gradient method, or least squares...

2012

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

... such as least-squares conjugate gradient method. The resulting βijk is then used to compensate for the attenuation occurred in the ijkth cell...

2009

Enhanced ray-based tomography method

Jonathan Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... linear equations and least-squares problems: TOMS, 8, no. 2, 195–209. Zhou, H.-W., 2003, Multiscale traveltime tomography: Geophysics, 68, 1639–1649...

2024

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