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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data

James Gaiser, James Simmons, Moacyr de Souza Bezerra

International Meeting for Applied Geoscience and Energy (IMAGE)

... ocean-bottom cable (OBC) survey offshore Brazil. The VP/VS model along with P-wave velocities determined from NMO analyses or PSDM of the P-wave data...

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...

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...

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...

AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering

Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... be introduced. Johansen et al. use orthogonal polynomials to decompose CMP gather after NMO correction. The specific AVO characteristic of the data can...

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...

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...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Optimised 3D Land Geophysical Survey Design - A Case Study

P. van Baaren

Papua New Guinea (PNG) Petroleum Convention Proceedings

... the sampling interval required to prevent aliasing of the steepest dipping events. However, the raw seism ic data may contain diffractions with steeper dips...

Fracture and Stratigraphy Characterization Using Full-Resolution 3D Ground Penetrating Radar (GPR) in Cretaceous Carbonates

Rizky P. Sekti, Gregor P. Eberli, Mark Grasmueck, Brita Graham-Wall, Jeffrey Lukasik

Indonesian Petroleum Association

..., the data processing steps are generally consist of data fusion, regularization, zero time correction, dewow and gain, velocity analysis, NMO, and 3D...

Chapter 7: Advanced Reservoir Characterization Using 3D Seismic Data in Badger Basin, Bighorn Basin, Wyoming

John E. Buggenhagen

Montana Geological Society

... character due to stratigraphic and/or lithologic changes, highly dipping events, lack of reflectors (such as from salt), and poor data...

Use of Windowed Seismic Attributes in 3D Seismic Facies Analysis and Pattern Recognition

David C. Carter

Indonesian Petroleum Association

..., there are two factors which are particularly relevant in seismic facies analysis. Firstly, the spacing and reliability of velocity analyses made for NMO...

3-D Geomechanical Modeling for Field Development of a Colombian Shale Play

Leonardo Arias Medina, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... in Well 1 and Well 2 are dipping to the north and south of the geological structure as shown in Figure 9. Moreover, Well 1 has more open fractures than...

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...

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...