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The AAPG/Datapages Combined Publications Database

Showing 126 Results. Searched 195,364 documents.

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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

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... approach to alias filters is to attenuate to a level comparable with the converter noise at the Nyquist frequency. For example, the standard alias filter...

1980

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

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... geophones that most recording crews use today. Improvements in digital filtering in our recording systems have allowed for steeper-sloped anti-alias...

2015

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

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... with multichannel processing. For a survey carried out in a borehole the spatial alias frequency limit is given by where V is the velocity of the formation...

1984

Kajian geofizik di Kuala Betis, Kelantan (IN MALAY), Geophysical studies of Kuala Betis, Kelantan

Abdul Rahim Samsudin, Kamal Roslan Mohamad, Ibrahim Abdullah, Ab. Ghani Rafek

Geological Society of Malaysia (GSM)

... dolomit yang gelap. Alias Hj. Salleh (1982) juga mendapati Seholeeodont dan Mikro bivalvia yang dipereayai berusia Perm Akhir pada lokaliti yang sama...

1994

Minimising Pipeline Leaks and Maximising Operational Life by Application of Machine Learning at Cooper Basin

Hossein Khalilpasha, Justin Brown

Australian Petroleum Production & Exploration Association (APPEA) Journal

... also extracts the semantic meaning of vendor anomaly type and comment information into a standardised alias taxonomy, classification, category...

2022

Presence of Oleanane in Oil as Evidence of Contamination; #41458 (2014)

Swapan Kumar Bhattacharya, Syed Mohammad Ibad, Fawzia Hussein Ali Abdulla

Search and Discovery.com

...-documented indicator for terrestrial organic input (Wang et al., 2011; Ishiwatari et al., 2013; Alias et al, 2012). This is because 18α(H)-oleanane...

2014

Palynological Study on a Rock Sequence at Bandar Tenggara, Johor

Yap Siew Fong, Uyop Said

Geological Society of Malaysia (GSM)

.... ACKNOWLEDGEMENT Our sincere thanks to all staff of Geology Programme, Universiti Kebangsaan Malaysia especially En Alias Noon who provided technical assistance...

2002

Plant Fossils from Bukit Balah, Batu Pahat, Johor

S. Norizan Yaacub, Uyop Said

Geological Society of Malaysia (GSM)

... is interpreted to be Upper Jurassic to the Lower Cretaceous age. ACKNOWLEDGEMENT We would like to thank to En Alias Noon for his technical assistance. All...

2002

Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... structures including faults. Moreover, the anti-alias implementation in Kirchhoff migration further reduces the compensation of high dipping...

2018

Q-land Enters Australia: Overview of a Seismic Survey Pilot Study in the Cooper Basin

Tim Bunting

Petroleum Exploration Society of Australia (PESA)

... demonstrating the improvement in signal and front-end processing sequence. Surface digital spatial anti-alias filters were also applied coherency in the 0-4 Hz...

2009

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... problems (e.g., long wavelength ground roll and other scattered noises.) As group intervals became smaller, they were used as spatial anti-alias filters...

Unknown

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... problems (e.g., long wavelength ground roll and other scattered noises.) As group intervals became smaller, they were used as spatial anti-alias filters...

Unknown

Abstract: A Tour of High Resolution Transforms; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

... to optimally control alias (Ribeiro et al., 2001) and to improve computational efficiency (Sacchi and Porsani, 1999). TX high resolution parabolic...

2013

Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and Discovery.com

... data. For regularly sampled data, the FGFT interpolation method uses the low-frequency portion of data for beyond-alias reconstruction of the high...

2015

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