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The AAPG/Datapages Combined Publications Database

Showing 566 Results. Searched 200,357 documents.

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Analysis of the Relationship Between Seismic Amplitudes and Gas Content of the Miocene Amos Sandstone, Mary Ann Field, Offshore Alabama

Linda Turnley Reif, Dr. Gary L. Kinsland

GCAGS Transactions

... to be zero phase so that the top of the Amos sandstone is at the strongest point in the trough. FIGURE 2. [Grey Scale] Stratigraphic column (after Mink...

1993

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... the inversion. The synthetic trace was created by convolving the reflectivity of the baseline log with a [15 20 50 60] zero phase Ormsby wavelet...

2014

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... conver­ sion to zero-phase, boosting operators can be applied to minimise the decay constraint between 3 to 7 Hz – a result of the inherent limitations...

2012

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... seismograms. These assumed wavelets are generally divided into two groups; Figure 3. Stanvac Normal Polarity, SEG Reverse Polarity Minimum phase...

1984

Filling the Inversion GapŽ Without Well Data: Multi Level Sources and Streamers Help Improve Inversion

Martin Bayly, Dominic Lowden, Bruce Webb, Ed Kragh

Indonesian Petroleum Association

... zero phase data volumes for both the over array (single cable depth only) and over/under array were inverted for acoustic impedance and compared. Well...

2011

Quantitative Interpretation: Use of Seismic Inversion Data to Directly Estimate Hydrocarbon Reserves and Resources

James Shadlow, Adam Craig, David Christiansen, Robert Mitchell

Petroleum Exploration Society of Australia (PESA)

... wavelets show data is zero-phase and can be well approximately by a Ricker Wavelet. Modified from DownUnder Geosolutions (2014). Figure 5: Depth...

2018

A new high-resolution seismic wavelet definition and vibroseis sweep signal design

Zhenbo Nie, Huazhong Wang, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... the zero-phase customized wavelet. In here, the “bc” represents the main lobe, while “ab” or “cd” represents the side-lobe. Specifically...

2024

Integrated Digital Outcrop Model (DOM) and Seismic Forward Modeling: Application to Enhance Subsurface Interpretation in Deltaic System of Kutai Basin, East Kalimantan

Dicky Harishidayat, Leon Taufani, Iqbal Fardiansyah, Ari Wibowo

Indonesian Petroleum Association

... of (Castagna et al., 1985) and (Archie, 1942), respectively. Zero phase of wavelet is used to produce a PreStack Depth Migrated (PSDM) seismic image...

2017

Chapter Seven: Reservoir Evaluation

Alistair R. Brown

AAPG Special Volumes

... in the digital database. Given that the data were zero phase, the time of the maximum amplitude is the correct time for the reservoir interface. Figure 7-14...

2011

Improved Resolution of Thin Turbiditic Sands in Offshore Sabah with Bandwidth Extension … A Pilot Study (Paper C11)

G. Yu, N. Shah, M. Robinson, N. H. Nghi, A. A. Nurhono, G. S. Thu

Geological Society of Malaysia (GSM)

..., the given known well data was used to make the seismic zero phase, create the synthetics, and calibrate with the geology. Then, the pilot study tested...

2012

Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones

Michael S. Hons

Search and Discovery.com

... accelerometer transfer function (Figure 5). Further modeling has shown that wavelets with low dominant frequencies must be phase rotated the opposite direction...

Unknown

ABSTRACT: Regional Study of Sarvak and Ilam Formations in the Sirri District of the Persian Gulf; #90017 (2003)

Alireza Bashari, Majid Minaei

Search and Discovery.com

... positive deflection and on the synthetic seismogram zero phase reverse polarity corresponds to a strong black peak. On the well correlation panel...

2003

Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones

Michael S. Hons

Search and Discovery.com

... accelerometer transfer function (Figure 5). Further modeling has shown that wavelets with low dominant frequencies must be phase rotated the opposite direction...

Unknown

Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... using a zero-phase seismic wavelet of reasonable bandwidth (Figure 2b), and AVO extraction was performed using the Shuey equation (1985). Figure 2...

2013

Abstract: Stabilizing Seismic Absorption Compensation; #90171 (2013)

Changjun Zhang

Search and Discovery.com

.... Extract Q profile by using windowed time-variant spectral analysis (Zhang, 2002), 2. Do pure phase correction, 3. Extract a zero phase seismic wavelet...

2013

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

.... That is correct, and if we did do that, we would end up with a zero-phase wavelet, typical of a true matched filter that lowers the noise, but reduces...

2014

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... that on the section with zero phase shift the whitening has not really helped the resolution while the section with the phase shift is sharper and has...

2014

Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)

Jaime Meléndez Martínez

Search and Discovery.com

.... The maximum of the Kurtosis indicates the correct phase correction needed to convert the estimated wavelet in a zero phase wavelet. Figures 1 and 2 show...

2015

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... minor travel time changes (in terms of ms) will alter the correlation process. The perfect zero-phase correlation wavelet only exists without velocity...

2015

Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts

Hongliu Zeng

Search and Discovery.com

... Wood, 1982, The limits of resolution of zero-phase wavelets, Geophysics, v. 47, p. 1035. Zeng, Hongliu and Tucker F. Hentz, 2004, High-frequency...

Unknown

Practical Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

M. W. Schramm Jr., E. V. Dedman, J. P. Lindsey

AAPG Special Volumes

... to a subsurface lithologic sequence. In Figure 2A a marine air-gun signature is used as the propagating waveform, and in Figure 2B a zero-phase bandpass wavelet...

1977

Pair beads seismic anomalies: The cave features important to but missed in carbonate studies

Fangjian Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... in Central Luconia Province. 1) In section-view with zero-phase seismic display, “pair beads” is a seismic waveform with trough above and peak below...

2022

Characterization of Carbonate Reservoir at XŽ Field Using Attribute and Seismic Inversion

Joko Wiyono, Fajar Rakhmanto, Fitriya Andriyani, Adi Susilo, Abdul Mutalib Masdar

Indonesian Petroleum Association

... as a reflected coefficient line has been filtered with wavelet zero phase. In this inversion, the correlation is 0.6061. The figure shows model based...

2007

Seismic reflectivity inversion via a regularized deep image prior

Hongling Chen, Mauricio D. Sacchi, Jinghuai Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... and 401time sampling points. Before running the inversion, we estimate the seismic wavelet by assuming a white reflectivity and a zero-phase wavelet...

2022

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