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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,685 documents.

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Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... interpretation. Seismic gather conditioning improved seismic data quality prior to prestack inversion by improving signal/noise ratio, removing NMO stretch...

2016

Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion

Margarita Pavlova

Petroleum Exploration Society of Australia (PESA)

... energy and NMO stretch on the far offsets. Consequently, the usable angle range for inversion was chosen to be 10-32 degrees. Data conditioning techniques...

2019

Application OF AVO Seismofacies Technique to Detect Undrained Prospects in Handil Shallow and Upper Zones, Mahakam Delta, East Kalimantan

Sung Yuh, Ahmad Anshariy, Savanto Ariawan, Hilfan Khairy, Cepi M. Adam

Indonesian Petroleum Association

... computation. They include residual move out corrections, and NMO stretching QC. The AVO results are shown in Figure 8. The color scale in (Figure 8a...

2015

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

..., migration technique, removal of residual NMO, etc. Severe filtering techniques such as low cut filtering to remove ground roll noise should be avoided...

2017

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... (bottom right corner) and its band-pass filtered versions. There was no correction applied to the raw data except for NMO correction. Note...

2004

3.2 Basement Involved: 3.2.1 Crustal Profiles: The Moine and Outer Isles Seismic Traverse (MOIST)

J. A. Brewer and D. K. Smythe

AAPG Special Volumes

... traces, equally weighted, within shotpoint-gathers Source array simulation: Running mix of five adjacent traces within NMO-corrected CDP gathers...

1983

Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)

Yong Xu and Satinder Chopra

Search and Discovery.com

... domain; (3) accounting for the strong reflection from the McMurray-Devonian interface; and (4) reducing the distortion due to NMO stretch...

2013

Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and Discovery.com

... with mining. a b Figure 5: Well logs (P velocity in blue, S-velocity in green, and density in red) and synthetic PP (a) and PS (b) seismogram (NMO removed...

2013

Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)

Jon Downton, Benjamin Roure

Search and Discovery.com

... initial layered elastic model defined in the time domain. By using angle stacks, NMO stretch (Roy et al. 2005) and scaling issues can be addressed...

2014

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

..., including loading geometry information, horizontal rotation for x & y components, spherical divergence compensation, deconvolution, velocity analysis and NMO...

2014

Abstract: Recent Advances in the Characterization of Unconventional Reservoirs with Wide-azimuth Seismic Data; #90187 (2014)

Ran Bachrach, Sagnik Dasgupta, Colin Sayers, Josimar Silva, and Stefano Volterrani

Search and Discovery.com

... perturbations relative to a reference NMO (Normal Moveout), can be computed, and an elliptical fitting routine can define velocity in the fast...

2014

Abstract: A Nuclear Norm Minimization Algorithm with Application to Five Dimensional (5D) Seismic Data Recovery; #90187 (2014)

N. Kreimer, A. Stanton, and M. D. Sacchi

Search and Discovery.com

...% of the grids were populated. The data were NMO-corrected and low-pass filtered with a cut off frequency of 100Hz prior to the interpolation...

2014

Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)

A. Stanton and M. D. Sacchi

Search and Discovery.com

...? The inaccuracies of our forward modelling operator should also to be considered. Is it reasonable to assume a vertical angle of incidence after NMO correction...

2014

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

... may fall short to characterize wave propagation effects in such layered media. Consequently, this may result in poor results from NMO and migration...

2015

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

..., additionally gather flatness (NMO quality), muting quality, and RMO quality are easily seen. Even a Hyper Cursor can be used to see the prestack info...

2011

Application of Pre-stack Seismic Anisotropy for Fracture Detection, in Oseil Field Carbonate Reservoir, Seram Island, Eastern Indonesia; #20157 (2012)

Anggoro S. Dradjat, Xueyan Hu, and Ridhawulan Primasari

Search and Discovery.com

.... 355-364. Shen, F., X. Zhu, and N.Toksoz, 2002, Effects of fractures on NMO velocities and P-wave azimuthal AVO response: Geophysics, v. 67/3, p. 711-726...

2012

Post-Stack Multi-Azimuth Stratigraphic Inversion Applied to Unconventional Reservoir Characterization: A Case Study in the Fort Worth Basin; #41120 (2013)

Mathilde Adelinet, Vincent Clochard, and Patrice Ricarte

Search and Discovery.com

... in applying a kind of residual NMO corrections, based on semblance algorithm, to perfectly align seismic events from each azimuthal post‐stack to the full post...

2013

The Application of Full Azimuth 3D Seismic Fracture Detection Technology in the Prediction of Favorable Reservoirs within the Shengbei 5 Well Area Tight Sandstone Region; #41226 (2013)

Xiang Guo, Jianbin Ran, Xiaowei Yu, Zhengtao Hu, Zhang Yuan, Zhang Jinxue, and Fulei Li

Search and Discovery.com

... seismic data are then divided into 4 separate-azimuth datasets (each one is 45°) after the static and NMO correction with each separate-azimuth data...

2013

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)

Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith

Search and Discovery.com

... by improving signal/noise ratio, removing NMO stretch and aligning reflection events. Velocities from residual moveout (RMO) analysis on individual sectors...

2016

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

... move-out (NMO) stacking velocity analysis was used to obtain reliable root-mean-square velocities. As a guide for the velocity analysis, we used...

2009

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... inversions exist, the success of utilising differential moveout techniques depends on the magnitude of the velocity inversion itself. INPUT CDP POST NMO POST...

1988

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... (known as nor al oveout or NMO) can be fit to individual reflections in CMP gathers . This shape of this curve is function of the subsurface velocity...

2000

Rock Physics and Reservoir Characteristic of a Calcitic-Dolomitic Sandstone Reservoir

H. Morris, B. Hardy, E. Efthymiou, T. Kearney

Indonesian Petroleum Association

... to geological variations, close inspection of the corresponding partial stack traces shows that it is likely to be due to incorrect NMO corrections locally...

2011

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