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The AAPG/Datapages Combined Publications Database

Showing 114 Results. Searched 188,040 documents.

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Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... is used to compute the curvelet coefficients of the aliased seismic data. The aforementioned coefficients are divided into two groups of scales: alias...

2014

-- no title --

user

Search and Discovery.com

... (MSAR) operator extracts the ensemble of prediction filters that are used to reconstruct the high frequency portion of the data. The applicability...

Unknown

-- no title --

user

Search and Discovery.com

... (MSAR) operator extracts the ensemble of prediction filters that are used to reconstruct the high frequency portion of the data. The applicability...

Unknown

Multi-Step Auto-Regressive Reconstruction of Nonuniformly Sampled, Aliased Seismic Records; #41563 (2015)

M. Naghizadeh, M. D. Sacchi

Search and Discovery.com

... is reconstructed. Using data inside the reconstructed band, a Multi-Step Auto-Regressive (MSAR) operator extracts the ensemble of prediction filters that are used...

2015

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

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

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... filters pushing the -3dB point toward 80% Nyquist. As most data is now recorded at 2ms with anti-alias starting above 200Hz, this has led to geophones...

2015

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... t is the reflection time in seconds. The traditional approach to alias filters it to attenuate to a level comparable with the converter noise...

1982

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: The wanderings of Donsexinis Stach, 1957, alias Densosporites S.W. & B., 1944 in the North Atlantic Ocean: a forensic geology investigation

Peter A. Hacquebard

Atlantic Geology

...Abstract: The wanderings of Donsexinis Stach, 1957, alias Densosporites S.W. & B., 1944 in the North Atlantic Ocean: a forensic geology investigation...

1989

Abstract: 3D Well Planning in a Collaborative Environment: SF30 Field Development Drilling (Paper 6)

Huw A. Davies, Klaas van Luik, Zaal Anuar Alias, Phan Fah Kiong, Richard Ngu

Geological Society of Malaysia (GSM)

...Abstract: 3D Well Planning in a Collaborative Environment: SF30 Field Development Drilling (Paper 6) Huw A. Davies, Klaas van Luik, Zaal Anuar Alias...

2001

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... simultaneously over a group of inline and crossline seismic traces. f-k (frequency-wavenumber) filters that are designed to attenuate linear coherent...

1996

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: Thermal Maturity Assessment of Tertiary Coal-Bearing Sequence of the West Middle Block of the Pinangah Coal Field, Sabah, Malaysia (Paper P41)

Fatin Liyana Alias, Wan Hasiah Abdullah, Ralph L. Kugler, Mustaffa Kamal Shuib

Geological Society of Malaysia (GSM)

... P41) Fatin Liyana Alias, Wan Hasiah Abdullah, Ralph L. Kugler, Mustaffa Kamal Shuib PERTEMUAN PERSATUAN (Meetings of the Society) Paper P41 Thermal...

2010

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

..., the forward filters are given by the different ghost models acting on the different measured signals:    P f ,kx,ky  1expj2kz f ,kx,kyZ Pup f ,kx,ky...

2013

Vibroseis and Dynamite Comparison as Seismic Energy Source in North Sumatra

M. E. Gregg, B. E. Mackenzie, A. Patria

Indonesian Petroleum Association

... the use of phase matching filters. The dynamite infill provided the additional benefit of permitting comparison of Vibroseis and dynamite records...

1991

First Day's Road Log: Denver to Palmer Lake to Canon City

C.M. Boos, J.W. Nance, Lon Raymond, Fred Reid

Rocky Mountain Association of Geologists

... as vertical walls. Clay pits right a r e for on the right are now being used for sanitary ( 7 alias Jefferson sanitary (?)) landfill -- alias Jefferson...

1970

Abstract: An Integrated Approach Towards Delineating Hydrocarbon Prospectivity in Untested Fault Blocks within a Brown Field. A Case Study in B Field, Offshore Sarawak, Malaysia (Paper P40)

A. Azami, A. Hashim, N. Alias, N. Ujal, M. Bhattacharya, A. Roy, S. Pamungkas, T.. Aldha

Geological Society of Malaysia (GSM)

..., Offshore Sarawak, Malaysia (Paper P40) A. Azami, A. Hashim, N. Alias, N. Ujal, M. Bhattacharya, A. Roy, S. Pamungkas, T.. Aldha PERTEMUAN PERSATUAN...

2012

Abstract: Kajian Sedimen Teras bagi Projek Kajian Tumbesaran dan Kematian Kerang di Lot-Lot Ternakan Kerang di Negeri Selangor (IN MALAY), Sediment study of cockle aquaculture grounds in the state of Selangor

Noran Alwakhir bin Shaarani, Abdullah bin Sulaiman, Alias Man

Geological Society of Malaysia (GSM)

... study of cockle aquaculture grounds in the state of Selangor Noran Alwakhir bin Shaarani, Abdullah bin Sulaiman, Alias Man PERTEMUAN PERSATUAN...

2017

Abstract: Biological Oil Stimulation to Enhance Oil Recovery

Alan J. Sheehy, Farinazleen Mohamad Ghazali, Shahrakbah Yacob, Zaal Anuar Alias

Geological Society of Malaysia (GSM)

...Abstract: Biological Oil Stimulation to Enhance Oil Recovery Alan J. Sheehy, Farinazleen Mohamad Ghazali, Shahrakbah Yacob, Zaal Anuar Alias 386...

1997

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

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