Gleaning Meaningful Information from Seismic Attributes

Search and Discovery.com

... by almost vertical gaps between these features. Structure-oriented filtering As dip-steered mean or median filters and alpha-trimmed mean filters work...

Abstract: Fission track research in Halifax, Nova Scotia: technical procedures and research directions in a changing fiscal environment

A. M. Grist, M. Zentilli, M. Graves, M. Collins

Atlantic Geology

... and, if required, samples are analyzed using a JEOL 733 superprobe for F, Cl, and 0, allowing for a calculation of OH and C02 by subtraction. The probe also...

New Approaches to Enhanced Oil Recovery Techniques in Various Categories of Hard-to-recover Reserves in Carbonate Reservoirs

Search and Discovery.com

Combined Oil in Gas and Gas-Condensate Strata

A. G. Durmish’yan

Petroleum Geology: A Digest of Russian Literature

... because its presence in gas strata substantially changes the approach to calculation of reserves of gas and to solution of various gas-hydrodynamic...

Enhancing Spectral Decomposition to Delineates Subtle Channels … A Case Study from Offshore Nile Delta; #42180 (2018)

Islam A. Mohamed, Ahmed S. Abdel-Rahman, Amr E. Khalafalah, Abdul-Rahman Ali Mohamed

Search and Discovery.com

... to reduce the noises using structural-oriented filters; the difference was minor with few enhancements achieved. The near-angle stack spectral decomposition...

Fracture Likelihood Analysis Using Seismic and Triple Combo Log Data in the Stacked-Carbonate Play of Madison County

Courtney Beck, Anna Khadeeva, Bhaskar Sarmah, Andrew Whitsett, Trey Kimbell

Unconventional Resources Technology Conference (URTEC)

... calculation. Petrophysical evaluation of available vertical wells was performed to select a target zone for landing a horizontal well and to assess lateral...

Evaluation of Two Methods for Determining Soil Gas Permeabilities from Pneumatic Tests

Xun-Hong Chen

Environmental Geosciences (DEG)

... after a convergence. An inverse algorithm is also developed based on the sensitivity analysis method. Calculation examples demonstrate the applicability...

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

... for fractional orders calculation. The moment based fractional order technique achieved better result than that of the constant angle (f-k domain) technique...

Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)

Chuandong (Richard) Xu and Robert Stewart

Search and Discovery.com

...-derived Qp curve shows an inverse linear relationship with the VSP-derived Vp/Vs curve. Finally, the bulk value of Qp, Vp/Vs and Vp are estimated...

Uncertainty Analysis in a Mature Field: Dibi Field Case Study

Djuro Novakovic, Joy Roth

AAPG Special Volumes

... of Petroleum Explorationists Bulletin, v. 14, no. 1, p. 117.Land, C. S., 1968, Calculation of imbibition relative permeability for two- and three-phase...

Uncertainty quantification of full-waveform inversion with adaptive MCMC method

Shuhua Hu, Zeyu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... quantification (UQ) is crucial for seismic full waveform inversion (FWI), which is a highly ill-posed inverse problem. In the framework of Bayesian inference, we...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... correspond to the computed traveltime from source and receiver points to the image points. The Green’s function may also contain an inverse wavelet...

Frontmatter - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... Company, EMURC). His first assignment with Exxon was on Resistivity Tool Response Forward and Inverse Modeling. From 1995 to 2000, he developed numerous...

Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt

S. Lingrey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... area that uses forward and inverse raytrace modeling to depth convert and properly position the few reflection events arising from the Toro Formation...

-- no title --

user1

Search and Discovery.com

... distorted least square imaging result[5]. Least squares migration imaging employs the inverse of the Hessian matrix to perform illumination compensation...

Temperature Dependence of the Strontium Distribution Coefficient in Calcite: An Experimental Study from 40° to 200°C and Application to Natural Diagenetic Calcites

Mitchell J. Malone , Paul A. Baker

Journal of Sedimentary Research (SEPM)

..., AND HANSON, G.H., 1990, Calculation of simultaneous isotopic and trace element variations during water-rock interaction with applications to carbonate...

Volumetric Curvature: The Next Step in Seismic Attributes

Thomas Smith

GEO ExPro Magazine

... started applying algorithms similar to the filters used in Adobe Photo Shop that are used to enhance 2D images. Saleh applied what I call “cowboy math...

Use of the Regulated Directional Reception Method in Exploration for Reefs in Bashkiria

Yu. N. Voskresenskiy, Ya. I. Shul’ts

Petroleum Geology: A Digest of Russian Literature

.... The sections are constructed from material obtained from two to three different filters and they supplement one another. This helps in following...

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

... for unmigrated seismic data. (A nomogram for Fresnel zone calculation is given by Sheriff, 1980.) For the 60-Hz wavelet at 6000 ft/sec previously...

Detailed Seismic Mapping and Time-Lapse Analysis of a Fault Network in the Chalk, #120035 (2012)

Donatella Astratti, Victor Aarre, Ole V. Vejbaek, Gillian White

Search and Discovery.com

... that makes it structurally consistent, thus avoiding conflicting dips commonly resulting from the calculation of the instantaneous dip (Aarre, 2010...

Processing Well Log Data Using Empirical Mode Decomposition (EMD) and Diffusion Equation; #120188 (2015)

Sangmyung D. Kim, Seok Jung Kwon, Kwang Min Jeon

Search and Discovery.com

... in this study employ empirical mode decomposition (EMD) and diffusion equation to reduce irregularities or noise in the data and finally Laplacian filters...

Interpreting Seismic Amplitude Volume Technique Attributes; #42051 (2017)

Luis Vernengo, Eduardo Trinchero, Maximiliano Garcia Torrejon, Ignacio Rovira

Search and Discovery.com

.... This calculation of the input seismic data yields somewhat higher amplitudes of frequencies in the bandwidth of the input data. A variation...

Cretaceous–Cenozoic burial and exhumation history of the Chukchi shelf, offshore Arctic Alaska

William H. Craddock, and David W. Houseknecht

AAPG Bulletin

... complementary evidence for the timing of exhumation and suggesting a source-to-sink relationship. In the central Chukchi foreland, inverse modeling...

Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising

Nanying Lan, Kaiheng Sang, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... only involves n×n inverse operations. In theory, the calculation cost of equation 13 can be reduced by about O(m3/n3) compared with equation 12...

Reducing parameter coupling effect for subsoil density estimation using 3D seismic full-waveform inversion with horizontal-force source

Y. Kawasaki, S. Minato, R. Ghose

International Meeting for Applied Geoscience and Energy (IMAGE)

... implementing complex algorithms or computationally expensive accurate Hessian inverse, in order to mitigate the coupling effects. Our results...