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The AAPG/Datapages Combined Publications Database

Showing 476 Results. Searched 191,999 documents.

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ABSTRACT: Crooked CDP Lines and Structure; Whose Fault Is It?; #90019 (2003)

Edward R. Tegland

Search and Discovery.com

... Moveout (NMO) and other time correctional processes. We will demonstrate the behavior of the data relative to the choice of traverse line orientation using...

2003

ABSTRACT: AVO CASE STUDY IN THE ILLIZI BASIN - ALGERIA; #90016 (2003)

BELLAHCENE Amin, MOUGGARI Ali

Search and Discovery.com

... to the normal move out (NMO) corrected common depth points (CDP’s.) Residual noise contamination was then reduced by the application of an frequency...

2003

ABSTRACT: Removal of Surface and Internal Multiples from Land Data: Experience from North Africa Data; #90051 (2006)

Riaz Alá'i, Eric Verschuur

Search and Discovery.com

..., regularization and the signal enhancement in the NMO corrected domain. Some examples will illustrate the successful application of the method...

Unknown

ABSTRACT: Improving Reservoir Characterization Using 3D-CRS Stack Method; #90051 (2006)

Michele Buia, Paolo Marchetti, Alfonso Iunio Marini, Renzo Zambonini, Falah Owaina

Search and Discovery.com

... are used; therefore calculation robustness and reliability increase. Additional information are also recovered, i.e. very detailed NMO velocities...

Unknown

Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)

Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall

Search and Discovery.com

... for spherical divergence, and NMO correction to flatten the reflections on Figure 2f. AAPG Search and Discovery Article #90171 CSPG/CSEG/CWLS...

2013

Abstract: Statics Preserving Sparse Radon Transform; #90224 (2015)

Nasser Kazemi

Search and Discovery.com

... of the proposed method in noise and multiple suppression using real data examples. Examples To test the performance of the proposed algorithm I show an NMO...

2015

Abstract: Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #90255 (2017)

Gang Yu, Yusheng Zhang

Search and Discovery.com

... conditioning improved seismic data quality prior to prestack inversion by improving signal/noise ratio, removing NMO stretch, and aligning reflection events...

2017

Abstract: Full Azimuth Long Offset Data for Fracture Characterization: A Jurassic Case Study in North Kuwait; #90319 (2018)

Hanan Al-Hasan, Fatma Basha, Riyanto Kusumo, Agus Abdullah, Taiwen Chen

Search and Discovery.com

... will be presented. As a byproduct of gather flattening, magnitude of azimuthal anisotropy and azimuth of fast velocity were computed using NMO...

2018

Abstract: Efficient Supergrouping Approach for Enhancement of High-Channel Count and Single Sensor Seismic Data; #90319 (2018)

Maxim Dmitriev, Andrey Bakulin, Pavel Golikov

Search and Discovery.com

... for intra-array statics and wavelet variation. We demonstrate noise-removing properties of such generalized supergroups with NMO corrections...

2018

Abstract: Target-Oriented Imaging for Continous Seismic Reservoir Monitoring; #90319 (2018)

Hongwei Liu, Mustafa Al-Ali

Search and Discovery.com

... use the NMO velocity defined at the target horizon to derive the initial operators. The principle of equal-traveltime affirms that the traveltimes...

2018

Azimuthal Anisotropy „ A New Interactive Approach Leads to More Accurate Imaging

Graeme Eastwood

Petroleum Exploration Society of Australia (PESA)

... ly dependent NMO ellipse is azimuthal an isotropy, or by performing a pre• We have developed an interactive techn ique to defined by phi...

2012

Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... is the application of a simplified Kirchhoff migration on the CSP, that consists of scaling, filtering, normal moveout (NMO) and stacking. CSP gathers...

2014

Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)

Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand

Search and Discovery.com

... be corrected (Figure 1b) using the azimuthal NMO equation (Contreras et al., 1999): t 0  zero offset time (sec) 2 t 2  t0   cos 2     sin 2...

2014

Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).

David Gray

Search and Discovery.com

... 3D visualization software, as is shown in Figure 1. It is used for quality control of azimuthal processes, such as azimuthal NMO and azimuthal AVO...

2015

Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand

Jasper Hoffmann, Andrew Gorman, Gareth Crutchley

Petroleum Exploration Society of Australia (PESA)

... on velocity analysis are a standard procedure undertaken during long-offset seismic processing to determine accurate normal moveout (NMO) corrections...

2018

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... Filtering) Dispersive Phase Distortion Velocity Anisotropy Waveform Interference (Thin Beds) Short Period Multiple Interference Reflector Curvature...

1987

Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field

C. R. Willingham, A. S. Wylie Jr., D. J. Underwood

Pacific Section of AAPG

... of the spacing between the groups. To retain the effectiveness and prevent aliasing of returns from dipping structure, the arrays, in these areas, were...

2001

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

.... Afterwards, NMO velocity can be obtain via velocity analysis according to the criterion of flattening the reflections. The velocity spectrum, picked NMO...

2013

Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale

Andrew Munoz, Bill Shea

Unconventional Resources Technology Conference (URTEC)

... reflectors as most of the strong reflectors are masked by noise. Finally, the reflectors are dipping over offset in the raw gather compared...

2020

Distribution of Nubian Sandstone Formation in Sudan and Vicinity: GEOLOGIC NOTES

J. R. Vail

AAPG Bulletin

... dip in small exposures where the topset beds are absent. However, in most areas the deposits are flat or gently dipping. The sands are also ripple...

1974

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