Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... the waveform is known, we can design an inverse phase filter (or shaping filter) to convert it to a zero-phase (or minimum-phase) desired out-put with the same...

Synthetic Seismograms and Their Uses

Abilene Geological Society

... of the wavelet into a shape which is easier to work with. Since zero-phase wavelets are symmetrical and provide the maximum resolution for any given...

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... cosine waves are zero. As a result the trainee can observe the zero phase signal as shown at the bottom. The modelling software has provided the trainee...

Abstracts: Brine-methane Substitution: The Seismic Response of Coalbeds; #90173 (2015)

Diane J. Lespinasse and Robert J. Ferguson

Search and Discovery.com

..., Canada, May 9-11, 2011 Figure 1: Synthetic seismograms for a 10m coalbed, generated with a 30Hz zero phase Ricker wavelet. a) coalbeds are saturated...

Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)

Somanath Misra and Satinder Chopra

Search and Discovery.com

... to the central Alberta plains. An average mixed phase wavelet is computed from the 3 mixed phase wavelets estimated at 3 different locations. The data...

Reservoir Prediction in Ibhubesi Gas Field, Block 2A, Orange Basin, West Coast of South Africa, #11232 (2019).

Given Skosana,

Search and Discovery.com

... X1 TOP_14AS MAP (TWT) IN AREA A A-AA1 A-X2 A-X1 A-AA2 • The seismic data is displayed with “American Polarity” on a zero phase section...

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... impedance results depends critically on some assumptions: • good data quality, • zero phase seismic signals, SEISMIC Hc RESERVOIR PREDICTION 145...

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... between those using a Spiking (minimum phase) or Wavelet (zero phase) deconvolution. Experience with these processes indicates that they are both...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... with a zero-phase output, and fault imaging, using an experimental dip moveout technique (DMO). The data were also phase corrected relative to the 1985...

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... . 3 .5) which indicates where to accurately pick a horizon . A zero phase wavelet has the peaks or troughs centered on the reflecting interface...

Predictive Isopach Mapping of Gas Sands from Seismic Impedance: Modeled and Empirical Cases from Ship Shoal Block 134 Field

Robert D. Woock , Alan R. Kin

AAPG Bulletin

... of resolution of zero-phase wavelets: Geophysics, v. 47, p. 1035-1046. Oldenburg, D. W., T. Scheuer, and S. Levy, 1983, Recovery of acoustic...

Reservoir architecture and porosity distribution, Pegasus Field, West Texas — an integrated sequence stratigraphic-seismic attribute study using neural networks

J. S. Schuelke, J. A. Quirein, J. F. Sarg, D. A. Altany, P. E. Hunt

West Texas Geological Society

... are to maximize the resolution by broadening the bandwidth and correcting the seismic wavelet to zero phase, and to obtain high resolution seismic acoustic...

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...

Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios

Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the American Association of Petroleum Geologists Building high-resolution models reflections become as close as possible to zero-phase spikes (Lindseth...

Systematic Application of Seismic Amplitude Analysis for Exploration in the Upper Cibulakan Formation, Example from Gas Discovery LES-1 Offshore Northwest Java

Gunawan, V. L. Ball, Z. Imran, M. J. Gresko

Indonesian Petroleum Association

... into one of four categories: trough over peak, peak over trough, zero-phase peak, and zero-phase trough. All seismic data were processed as zero...

Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods

J. Licheri, N. Parra

AAPG Special Volumes

... equalization; -- Wavelet processing and conversion to zero phase; -- Reflection coefficients; and -- Interval velocities. After gain removal from...

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...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... then convolved with zero-phase wavelets of different frequencies to produce the seismic models. The results show how the depositional facies at reservoir...

Chapter 7: Estimating the Thickness of Thin Beds

Tom Wittick

North Texas Geological Society

... reflections from a wedge-shaped sand encased in a shale. The wavelet used in the model is a zero-phase 8-32 Hz. bandpass wavelet. At the top of the sand...

Estimating the Thickness of Thin Beds

Abilene Geological Society

... sand encased in a shale. The wavelet used in the model is a zero-phase 8–32 Hz. bandpass wavelet. At the top of the sand we go from a higher impedance...

Broadband Seismic Technology and Beyond: Part I: The Drive for Better Bandwidth and Resolution

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... 1415-1424 R. S. Kallweit and L. C. Wood, 1982. The limits of resolution of zero-phase wavelets: Geophysics 47 1035–1046...

A Seismic Rock Properties Study of a Mesozoic Reservoir in Indonesia

Andi Alamsyah, Lantu, Sabrianto Aswad, Andi Darmawansyah

Indonesian Petroleum Association

... convolution operator can be used to perform inversion. The approach assumes a zero-phase wavelet but does not require an explicit estimate of the wavelet...

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... was considered. A zero-phase source wavelet with frequencies between 3 and 13 Hz was used in the simulations, which include free surface effects. The direct...

Direct modeling of reservoir properties from seismic partial-angle stacks

John V. Pendrel, Henk J. Schouten

International Meeting for Applied Geoscience and Energy (IMAGE)

... the project to ensure complete coverage of the range of the input data. The seismic data is processed to zero phase, aligned to the near stack...

Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic

Milos Cvetkovic, Francisco Colina, TGS

GEO ExPro Magazine

... and c) signal to noise ratio from full stack. Note that the phase along water bottom is less than 10° off zero-phase on Fast Track products. d) Subset...