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The AAPG/Datapages Combined Publications Database

Showing 5,595 Results. Searched 195,354 documents.

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ABSTRACT: Well-log Feature Extraction Using Wavelets and Genetic Algorithms; #90007 (2002)

Rivera, Nestor, Shubhankar Ray, Andrew Chan, Jerry Jensen

Search and Discovery.com

... extraction techniques. In particular, wavelet analysis of logs provides an easily interpretable visual representation of signals and is an efficient tool...

Unknown

Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes

Rafael Souza, David Lumley, Jeffrey Shragge

Petroleum Exploration Society of Australia (PESA)

... assume that the seismic data image polarity is equivalent to a zero-phase wavelet, and use the convention that positive values correspond to positive...

2016

Fundamentals of 3D Seismic Volume Imaging; #120169 (2014)

Gerald D. Kidd

Search and Discovery.com

... important information such as scaling, amplitude distribution, clipping, null values and phase shifts, which are discussed in the following paragraphs...

2014

Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding

Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the art of wavelet estimation, Part I: Basic algorithm for noise-free data: Geophysics, 62, 1931–1938, doi: https://doi.org/ 10.1190/1.1444293. Robinson...

2023

Laminae-scale rhythmicity of inclined heterolithic stratification, Lower Cretaceous McMurray Formation, NE Alberta, Canada

E. R. Timmer, M. K. Gingras, M. L. Morin, M. J. Ranger, J.-P. Zonneveld

CSPG Bulletin

... to half neap or spring cycles. Visually Identified Versus Continuous Wavelet Transform Cycles The scalograms that match the visual cyclicity analysis...

2016

Enhancing Vertical Seismic Resolution with Seismic Frequency Restoration and Attributes; #42156 (2017)

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

Search and Discovery.com

... stack as well as the instantaneous phase on the same data are shown co-visualized. Notice the visual impact of the intrusive body (black arrows...

2017

Application of Spectral Decomposition and RGB Blending for Mapping the Distribution of Ubadari Sandstone in Kasuri Block

Leonard Lisapaly, Anne Queentina Tyas Primasty

Indonesian Petroleum Association

... varies from 0 to 150 ms (a), and its spectrum displayed as function of temporal thickness (b). A zero phase Ricker wavelet of 15 Hz was used to generate...

2018

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

... drilling. Addison, P. S., 2002, The illustrated wavelet transform handbook: Introductory theory and applications in science, engineering, medicine...

2020

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

... of distinctly low similarity. This data mismatch is confirmed by visual inspection of the 4-8 Hz band-passed seismic. Part of the mismatch may be due to wavelet...

2017

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

... variant wavelet can be determined to rotate the seismic data to zero-phase although in practice it is often preferable to apply a single average phase...

2002

Inferring total organic carbon and major element geochemical and mineralogical characteristics of shale core from hyperspectral imagery

B. Rivard, N. B. Harris, J. Feng, and T. Dong

AAPG Bulletin

... using continuous wavelet analysis applied to thermal infrared reflectance spectra: International Journal of Remote Sensing, v. 32, no. 16, p. 4489...

2018

A Workflow for Predicting Porous Sand via Seismic Attribute Analysis of a Missourian Age Mid-Continent Wash

Ryan Fairfield, Matthew Stone, Renjun Wen

Unconventional Resources Technology Conference (URTEC)

... the target sand Generate geobodies to compare seismically derived sand thickness estimation to well logs Visually compare morphology of geobodies to well...

2013

A Comparison Chart for Visual Percentage Estimation

Robert L. Folk

Journal of Sedimentary Research (SEPM)

...A Comparison Chart for Visual Percentage Estimation Robert L. Folk 1951 Vol. 21 No. 1. (March), It is often desirable to estimate mineral percentages...

1951

"What Technically Can Be Done, Will Be Done"

Paul Vrolijk

Petroleum Exploration Society of Australia (PESA)

... would be integrated : Well tops wou ld be tied to interpreted horizons, logs wou ld be t ied to seismic (wavelet estimation is also a good add it ional...

1996

Use of Seismic-Derived Velocities for Stratigraphic Exploration on Land: Seismic Porosity and Direct Gas Detection: Chapter 4

Norman S. Neidell, J. H. Beard, Ernest E. Cook

AAPG Special Volumes

.... In ordinary black and white, even when wavelet processed as noted earlier, we see mostly "railroad tracks" with only slight phase changes which...

1985

Abstract: Abnormal Pressures and Water Saturations in Tight Gas Scenarios; #90282 (2016)

Marcelo Crotti

Search and Discovery.com

... for most of the “unconventional properties” usually found in these scenarios. A visual model helps show the equivalence between the over-pressure...

2016

Full Integration of Seismic Data into Geostatistical Reservoir Modeling

P. van Riel, P. Mesdag, H. Debeye, M. Sams

AAPG Special Volumes

...-depth relationships at the wells and estimation of the seismic wavelet. The latter further requires the availability of reliable log suites...

2006

Visual Analytics for Reservoir Analogues; #70361 (2018)

Emilio Vital Brazil, Vinícius Segura, Renato Cerqueira, Rogério de Paula, Ulisses Mello

Search and Discovery.com

...Visual Analytics for Reservoir Analogues; #70361 (2018) Emilio Vital Brazil, Vinícius Segura, Renato Cerqueira, Rogério de Paula, Ulisses Mello...

2018

Summary of "concerning Some Additional Aids in Studying Sedimentary Formations" by M. S. Shvetsov

Richard D. Terry, George V. Chilingar

Journal of Sedimentary Research (SEPM)

... includes reproduction of Shvetsov's diagrams for visual estimation of percentages of minerals in rock sections. In addition, the article points out...

1955

Defining the Relationship Between Fault Throw and Fault Damage Zone Width from Seismic Data by Utilising Seismic Attributes

Chrisnawaty Sirait, Gaynor Paton

Indonesian Petroleum Association

... is followed with a certain amount of error estimation which is presumed to result from a large variation and scattering of data. Keywords: Fault...

2018

Statistical Relations Between Borehole and Surface Data: ABSTRACT

Dale G. Stone

AAPG Bulletin

... on the surface and in the borehole is often difficult. The most prevalent practice is visual alignment and evaluation of forward synthetics. Recently...

1981

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

...- and 100-MHz synthetic radargams. The source wavelet was a 50- and 100-MHz minimum phase wavelet to simulate GPR acquisition using 50- and 100-MHz...

2022

Estimation of Recovery Efficiency by Visual Observation of Pore Systems in Reservoir Rocks: REPLY

N. C. Wardlaw, J. P. Cassan

CSPG Bulletin

...Estimation of Recovery Efficiency by Visual Observation of Pore Systems in Reservoir Rocks: REPLY N. C. Wardlaw, J. P. Cassan 1979 402 404 Vol. 27...

1979

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