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The AAPG/Datapages Combined Publications Database

Showing 126 Results. Searched 195,354 documents.

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Abstract: Automating RasterWell Log Preparation with Python: Depth Registration, Straightening, and Track Identification; #91201 (2022)

Matthew W. Bauer

Search and Discovery.com

... of cropping the tract header, digitizing the text with OCR, and searching an alias list with a Levenshtein Distance string match. This information can...

Unknown

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... requires the use of alias filters which strongly attenuate frequencies above 80 Hz so that finer sampling is necessary if high frequencies are to be retained...

1976

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

..., because an anti-alias filter of 1440 Hz was applied to the digital data during acquisition, because of the 0.25 millisecond sample interval...

1999

Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing

Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani

Indonesian Petroleum Association

.... The shots were 25 to 50 g of Miniseis at 140 ft depth. The record length was 3 s at 1 ms sampling rate. The recording filters were a 7.5 Hz/12 dB low cut...

1995

Codes and Ciphers Simultaneous: Source Separation: PART II

Johan O. A. Robertsson, Dirk-Jan Van Manen, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... with ‘quiet alias fk signal alias periods’ in between). Figure 3 illustrates the cone results using such an approach by co-workers at Chevron...

2016

Abstracts: A New f-p Domain Weighting Function in Minimum Weighted Norm Interpolation of Seismic Data; #90173 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... Interpolation. With the proper choice of the p parameter (e.g. linear, parabolic etc), the alias AAPG Search and Discovery Article #90173 CSPG/CSEG...

2015

Abstract: Requirements for Resolution; #90171 (2013)

Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger

Search and Discovery.com

... the method of Abma et al. (1999) was used to de-alias the operator. If such anti-alias protection were not provided, the imaging process would yield artifacts...

2013

Abstract: Requirements for Resolution; #90171 (2013)

Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger

Search and Discovery.com

... the method of Abma et al. (1999) was used to de-alias the operator. If such anti-alias protection were not provided, the imaging process would yield artifacts...

2013

Abstract: Cost Efficient Acquisition to Reduce Coarse Land 3D Line Spacings Through Beyond Nyquist Interpolation and Wavefield Reconstruction for Signal and Noise; #90187 (2014)

Bill Goodway

Search and Discovery.com

... rejected the ability of interpolation to successfully de-alias coarse sampling as the commonly quoted statement “you can’t recover what you did not pay...

2014

Memorial: Wayne Z. Burkhead (1909-1985)

Jack Colle, John Preston

AAPG Non-Technical and Memorials

... was unassuming, courteous, and held in the highest esteem by all who knew him. Wayne, alias "Captain Z" or just "Z," will long be remembered in the industry...

1986

Abstract: Seismic Imaging below Shallow Gas Cloud … A Comparison between PSTM, PSDM & 4C OBC Datasets (Geophysics Paper 21)

Tan Boon Hua, Amy Mawarni M Yusoff, Gunawan Taslim

Geological Society of Malaysia (GSM)

... KADY, M ADZHA M NAHAR, MAZIAH MAJID, STEPHEN, S., AMY MAWARNI, BERNATO VIRATNO, NURUL SAADAH ALIAS, RIZKI KIRSHNA PRATAMA, 2010. Case history: 4C...

2011

Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)

C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji

Search and Discovery.com

... corrections (surface-consistent spectral compensation), before spatial anti-alias filtering and down-sampling to 20m. Single sensor time...

2013

Abstract: Maximum Entropy Acquisition Design and Optimal Interpolation; #90187 (2014)

Mauricio D. Sacchi, Mafijul Islam Bhuiyan, and Nasser Kazemi

Search and Discovery.com

... it leads to spectral replicas that conduce to alias. In general, spectral replicas like those in Figure 1c an d are not problematic if the signal...

2014

Birth and Death of an Offshore Bar

Sankey L. Blanton, Jr.

GCAGS Transactions

..., but that the present mainland is an abandoned offshore bar. This creates a paradox of regressive sediments in a transgressive sea. Offshore bars, alias...

1963

Seismic Acquisition in the Sub-Andean Belt of Bolivia

Jair R. de S. Soares Filho, Roberto D. Chaves

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... to be defined by test 8 2 Anti-Alias 8 Hz/18db Record Parameters Charge Tests To decide the most adequate final acquisition parameters, charge tests were...

1997

Memorial: Louis C. Conant (1902-1999)

Mary Lou Conant Callas, Philip E. LaMoreaux

AAPG Non-Technical and Memorials

...); longer text subject to approval by AAPG Editor. LOUIS C. CONANT (1902-1999) By Mary Lou Conant C alias Palo Alto, California, and Philip E...

2000

N/A

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

Patrick Butler

Search and Discovery.com

... to alias. The third and more systemic problem is that the basis functions are linear. Seismic data, even when restricted to small windows, is curved...

2014

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

...., Klaedtke, A., Vigner, A., Brittan, J., and Martin, T., 2009, Seismic data regularization with the anti-alias anti-leakage fourier transform: First Break, 27...

2014

Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)

Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson

Search and Discovery.com

...-alias seismic data well. While POCS should have at least half the traces live on the input, POCS interpolation tends to be fairly robust in places where...

2014

Application of Data Reconstruction Techniques Based on Compressive Sensing in Onshore Acquisition; #70244 (2017)

Jinglei Yang

Search and Discovery.com

... the spectrum. But if the spatial alias are serious, the estimated spectrum may contain the noises. In order to avoid this problem, a weighted operator...

2017

Basin Structure of the U.S. Atlantic Margin: Rifted Margins

Kim D. Klitgord , John C. Behrendt

AAPG Special Volumes

... intervals and appropriate anti-alias filters, to look at the deeper sources. The number of data points is kept the same for each of the passes...

1979

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