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The AAPG/Datapages Combined Publications Database

Showing 476 Results. Searched 191,995 documents.

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Seismic Acquisition and Processing for Sub-thrust Imaging and Prospecting, Suaza Valley, Colombia

G.W.Paukert, G. Billings, I.Dawes, T.D.J. England, G.Rait

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in the Acevedo area. Some of the higher quality conventional 2D lines show a dipping reflection at the base of the reflection free zone, which is interpreted...

2003

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

... and to the steep events dipping to the southwest (Figure 1. The smaller bin size necessary to image the steep events and the fault is easier to achieve...

1995

AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)

Mohammad Ali Riahi, Mohammad Emami Niri

Geological Society of Malaysia (GSM)

... of interest on each NMO-corrected CMP gather across the data set. Plotting of these attributes reveal an AVO anomaly at about 635 ms TWT, which...

2006

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... 1a portrays a reflectivity model used to test our algorithm. Figure 1b is the image obtained by NMO followed by stacking the gathers produced...

2014

Abstract: Analysis of the Low Frequency Content of Seismic Data Acquired During an Experiment at Hussar, Alberta, Canada; #90187 (2014)

J. Helen Isaac, Gary F. Margrave, Monika Deviat, and Pam Nagarajappa

Search and Discovery.com

... to mute any nmo stretch that might influence the results. The frequency content of the unprocessed data (Figure 1a) is very good down to 7.5 Hz and fair...

2014

Abstracts: A Practical Approach for Estimating Receiver Statics in 2D/3C Seismic Data Processing; #90173 (2015)

Dumitru Ion and Mike Galbraith

Search and Discovery.com

... estimated the C-wave velocity (VC) in a similar fashion to P-wave velocity analysis, the main difference consisting in the use of a different NMO...

2015

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section shown...

2016

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section shown...

2016

2-D Seismic Reflection Imaging of the Bennett Thrust Fault in the Indio Mountains of West Texas; #30519 (2017)

Alan Vennemann, Marianne Karplus, Galen Kaip, Steve Harder

Search and Discovery.com

... Analysis 4. Velocity Analysis 5. Normal Moveout Corrections (NMO) 6. Create Database Files 7. Dip Moveout Corrections (DMO) 8. PostStack Signal...

2017

Impact of Velocity Field on AVA Analysis; #42363 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... could be indicative of the fluid content or lithology. In actual practice, NMO-corrected prestack seismic data are conditioned for enhancing the signal...

2019

Glauconite Sandstone Exploration: A Case Study from the Lake Newell Project, Southern Alberta

E. J. Kevin Broger, Garth E. Syhlonyk, Brian A. Zaitlin

CSPG Special Publications

... with the geological and geophysical interpretation with the purpose of establishing static and normal moveout (NMO) corrections that would be structurally...

1997

Integrated Fault and Hazard Analysis in Downtown Houston, Texas

Jingqiu Huang, Don Van Nieuwenhuise, Shuhab D. Khan

GCAGS Journal

... profile. The seismic line reveals ~20 m of displacement with the fault dipping to the southeast. At some point displacement of the hanging-wall block...

2015

Multichannel Data Acquisition and Processing

Gregory L. Smith, David A. Falvey, Raymond Shaw

Circum Pacific Council Publications

... d wit h referenc e to sonobuo y data, an d a stacking-velocit y mode l was developed. Th e dat a wer e NMO-correcte d an d th e CDP gather s displaye...

1988

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... and intercept of τ. Normally, multiples have approximately parabolic moveout in the gathers after NMO correction, while other types of coherent noise...

2015

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... of a converted-wave seismic trace, the regular processing flow of NMO plus DMO and poststack migration can have difficulty achieving an optimal image...

2015

Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico

B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd, J. Hunt Jr.

AAPG Special Volumes

... in this article. CCP = common-conversion point; NMO = normal moveout; DMO = dip moveout; PSTM = prestack time migration; Vp = compressional wave velocity...

2009

An Overview of Reservoir Seismic Stratigraphy, Frontmatter

Tom Wittick

North Texas Geological Society

... Recovery 3-3 Wavelet Processing 3-5 Statics 3-10 Normal Moveout or NMO 3-11 Spectral Balancing 3-11 Migration 3-12 Chapter 4 Synthetic...

1992

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... the seismic wavelet, are not discussed in this paper. The causes for AVO scaling problems, such as multiples, incorrect velocity, residual NMO...

2007

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands

Subhash Chandra, Geoff Mansfield, Peter Carver

Petroleum Exploration Society of Australia (PESA)

... in data conventional NMO and Stack. The 2005 seismic section shown in Figure 3 is an example of data with this sequence applied. Recent advances in noise...

2015

Elastic Impedance Inversion for Reservoir Delineation … A Quantitative Interpretation Case Study in the Malay Basin (Geophysics Paper 11)

N. Cheng, I. Bukhari, I. Kanok, S. Awirut, C. Vitoon

Geological Society of Malaysia (GSM)

...-out (NMO) gathers from tapes to supergathers for enhancing the signal-to-noise (SIN) ratio; transform super-gathers into angle-gathers for true...

2008

Abstract: Tectonics of the Coral Patch Ridge Area and Adjacent Horseshoe and Seine Abyssal Plains (Gulf of Cadiz) Based on New Multichan

Sara Martínez, Eulàlia Gràcia, Rafael Bartolomé, Pedro Terrinha, Abdelouhad Birouk

Search and Discovery.com

..., band-pass filter, predictive deconvolution, geometry CMP gather, NMO, stack, and Stolt FK migration (1500 m/s). The MCS lines presented here were...

2008

Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)

Saul E. Guevara, Gary F. Margrave, and William M. Agudelo

Search and Discovery.com

... in a borehole (e. g. Heelan, 1953; Lee and Balch, 1982). Additionally, a test for this hypothesis using the Dix NMO equation with the resulting...

2014

Quantifying the Benefit from Pressure Gradient Data in Wavefield Reconstruction for Time-Lapse Seismic, #40843 (2011)

Phil Christie, Kurt Eggenberger, Everhard Muyzert, Massimiliano Vassallo, Ali Özbek

Search and Discovery.com

... and a generic, single-component sinc interpolator (SINC), NMO-SINC was used whereby reflections were de-aliased with normal moveout (NMO) corrections...

2011

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