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The AAPG/Datapages Combined Publications Database

Showing 695 Results. Searched 200,663 documents.

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Prediction of 3-D Facies and Petrophysical Models using Seismic Inversion and Advanced Statistical Data Analytics in Midland Basin Study Area

V. Pandey, T. Nekrasova, I. Tsybulkina, K. Clemons, D. Li, B. Six

Unconventional Resources Technology Conference (URTEC)

... then accurately in time-domain, then we extracted multi-well wavelets for each angle stack to compensate the amplitude and frequency variations URTeC...

2020

Crossplots of Nuclear Logging Relationships Aid in Estimating Sizes and Shapes of Sands to Improve Maps

Rob L. Allen

GCAGS Transactions

... well logs. Quantitative analysis of log patterns and extractions of log wavelets can provide improved estimates of the shapes of sandstone reservoirs...

2000

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... reflections are present so the top and base of the sandstone are"resolved." This is one of the wavelets shown in Figure 3A, where the waveshapes for other...

1977

Using New Techniques to Extract Stratigraphic Information from Seismic Data in Tight Gas Reservoirs

Heidy Correa, Fa Dwan, David Potter

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... be described with a series of wavelets with given frequency and amplitude characteristics. In a given time, spectral decomposition is performed...

2009

The Integration of Geophysical, Geological and Petrophysical Data: A Case Study in North West Java, Indonesia

M. Koswara, J. Negre, L. Hendrata

Southeast Asia Petroleum Exploration Society (SEAPEX)

... surface seismic traces into acoustic impedance pseudo-logs. Firstly, two sets of zero phase surface seismic and well seismic wavelets, which may...

1990

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... the synthetics to reduce computation. With low-frequency source wavelets, it is both practical and conceptually simple to compute...

2022

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... -ve A plitude +ve Figure 2 .2 . Definition diagra for wavelets. This si ple wavelet consists of positive and negative a plitude values (peaks...

2000

New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia

Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra

Indonesian Petroleum Association

... Decomposition The recorded seismic trace can be considered as a composition of several wavelets with a different peak frequency. For each...

2018

Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin

Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto

Indonesian Petroleum Association

... of an alternative method to analyze a signal. In the Continuouse Wavelet Transform, (CWT), wavelets dilate in such a way that time support changes...

2018

V. Contributions of GeoSeismic Modeling

Norman S. Neidell

AAPG Special Volumes

... amount of random noise has been added to the data. Compared to these two sections with complex wavelets, Figure 11 has a simple, short, zero-phase...

1979

Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

Search and Discovery.com

... in wavelet estimation, just low frequency model building, are 11-17, 15-8, B-43-9. These wells were calibrated using the wavelets estimated at the other...

2014

Coherence Attribute Applications on Seismic Data in Various Guises, #42273 (2018).

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... wavelets used in the continuous wavelet transform. The (top) real and (bottom) imaginary (or 90 0phase rotated) wavelets are simply convolved...

2018

Understanding the Reservoir Architecture of Lower Fars Formation in North Kuwait through Seismic Reservoir Characterization; #51531 (2018)

Mohamed Hafez Abdul Razak, Jarrah Al-Jenaie, Hesham Moubarak

Search and Discovery.com

..., and fluid. The second phase was carried out by estimating wavelets and generating pre-stack synthetic seismograms that were used for AVO analysis. Once...

2018

Broadband Seismic Technology and Beyond: Part VII: CGGs BroadSeis „ A Change of Thinking

Lesse Amundsen, Martin Landrø

GEO ExPro Magazine

... broadband wavelets without side lobes, making it possible to resolve a huge amount of detail. In this case to the sea surface increases the noise...

2014

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... wavelets, from 100-200 msecs. in time duration, within local surface spatial superbins each being centered on a uniform Cartesian grid of CDP xline...

2009

Wide-angle AVO-inversion using constant P-traces: AVP-inversion

Dennis Cooke

International Meeting for Applied Geoscience and Energy (IMAGE)

... stretch requires building the operator G so that it includes different source wavelets at different angles. The above practical issues are rapidly...

2022

Seismic Modelling to Support the Interpretation of Seismic Data, Northeast Jambi Block 'B', South Sumatra

J. A. Harwijanto

Indonesian Petroleum Association

... and minimum phase wavelets for a peak frequency of 35 Hertz. Seismic modelling of the sandstone interval In order to evaluate porefill and thickness variations...

1987

Thin Layer Imaging by Wavelet Transform Enhancement

Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama

Indonesian Petroleum Association

..., and Donoho, D. L., 1995, Translation invariant de-noising: Wavelets and statistics: Andestis Antoniadis (eds.) SpringVerlag. The modified SWT method...

2013

U-net based primary alignment

Ricard Durall, Ammar Ghanim, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and convolving them with synthetic source wavelets. The central frequency, bandwidth, and linear phase-shift parameters of the source wavelets...

2023

Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging

G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki

Indonesian Petroleum Association

... into wavelets, migration of the wavelets to the depth domain, and finally reconstruction into an image. The wavelet shift tomography technology...

2014

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic inversion theory can theoretically eliminate the adverse effects of irregular seismic acquisition and band-limited wavelets on conventional...

2024

A new method in predicting sandstone thickness using seismic amplitude ratio attribute

Bin Li, Jiawei Li, Hao Yan, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...://doi.org/10.1190/1.2838274. Kallweit, R. S., and L. C. Wood, 1982, The limits of resolution of zero-phase wavelets: Geophysics, 47, 1035–1046, doi: https...

2024

Nonlinear time difference detection based on template matching and its denoising applications

Rongwei Xu, Bo Feng, Huazhong Wang, Chengliang Wu, Zhenbo Nie

International Meeting for Applied Geoscience and Energy (IMAGE)

... assumption for the signal, which is difficult to meet linear assumption under complex geological structures. In this abstract, we treat the wavelets...

2024

Relative inversion for extended elastic impedances

Peter Harris, Kathryn Young

International Meeting for Applied Geoscience and Energy (IMAGE)

... is that the inversion explicitly includes a seismic noise model through the seismic covariance matrix Σ 𝑑 , the angle-dependent wavelets...

2024

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