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The AAPG/Datapages Combined Publications Database
Showing 34,490 Results. Searched 200,663 documents.
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... is already incorporated at the time of calibration during velocity model building in advanced processing. Check shot or VSP data of available deep wells...
2011
Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods
R. E. Sheriff
AAPG Special Volumes
... are distinct, and timing of their separation gives the wedge thickness (Figure 4). As side lobes begin to interfere, amplitude begins to change and minor timing...
1992
Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
...). VSP measurements only provided the average P-wave velocity in this well. When making multiple P-S offset synthetic seismograms (Figure 3), we...
2013
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... imaging challenge is the effect of high velocity, laterally variable Late Cretaceous chalk. The transition from this carbonate to underlying clastic...
2016
Gas Hydrates: Part III: Rock Physics Hydrate Experiments
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... effect for the P-wave velocities. For the unconsolidated sand sample they found that for a hydrate concentration of 50% the P-wave velocity was 2,700 m...
2012
Oil generation as the dominant overpressure mechanism in the Cenozoic Dongying depression, Bohai Bay Basin, China
Xiaowen Guo, Sheng He, Keyu Liu, Guoqi Song, Xunjun Wang, Zhongsheng Shi
AAPG Bulletin
... the top of the overpressure can be clearly identified. Acoustic traveltime versus effective vertical stress analysis of more than 300 wells...
2010
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
.... The mirror effect of azimuthal dependent behavior is clear when the data is displayed in 360 degree azimuth. Velocity inversion is carried out over all...
2014
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... to undershoot high velocity 'shallow' layers that often can produce a shield effect for the propagating wave-field (Dell' Aversana et al., 2000- 2003...
2004
Echo phone for direct attenuation indication
Lu Liu, Tong Fei, Fuhao Qin, Yi Luo
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 2018, Near-surface velocity estimation using source-domain full traveltime inversion and early-arrival waveform inversion: Geophysics, 83, no. 4...
2022
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
.... This effect is less important for S-wave velocity, which contributes to lower VpNs ratio in gas saturated condition. Confining pressure at the level...
1997
The Fabric, or Internal Structure, of Rocks The Patterns of Anisotropy; #42188 (2018)
Heloise B. Lynn
Search and Discovery.com
... of source to receiver has a proportional effect upon the P-wave velocity. The standard explanation for the laboratory observations is that increasing...
2018
ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD
Tony Johns, Carmen Vito and Raul Sarmiento
Geological Society of Trinidad & Tobago
... by lithological change, as they all comprise of shelf clastics (early to late Pleistocene sands and shales from the Orinoco). The observed fault shadow effect...
2007
Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods
I. R. Gordon
AAPG Special Volumes
... on line A561-80 could be shifted down about 52 msec. Fig. 3. Illustration showing effect of lateral differences in velocity on conversion of time and depth...
1992
Abstract: The Effects of the Properties Changes of the Near-surface on Seismic Repeatibility at Naylor Field, by Yousuf Y. Al-Jabri and Milovan Urosevic; #90105 (2010)
Search and Discovery.com
2010
An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia
Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith
Indonesian Petroleum Association
... decreasing AVO while sand has flat AVO response (no change in amplitude with offset). AVO attributes P and G or intercept and gradient inverted from 3-D...
1995
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... of vertical fracture, the unconventional shale reservoir exhibits both nonhyperbolic moveout effect in far-offset gathers and azimuthal arrival time...
2016
Characterization of the Hercynian Unconformity, for Prospect Evaluation, Saudi Arabia, Sulami, Sulaiman L.; Ameen, Mohammed S., #90100 (2009)
Search and Discovery.com
2009
Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators
Ginger A. Barth, David W. Scholl, and Jonathan R. Childs
AAPG Special Volumes
... of velocity anomalies from the interval time anomalies, is no longer correct. Therefore, in this study, we present interval traveltime anomalies...
2009
2008 CSPG/CSEG/CWLS GeoConvention 2008, May 12-15, 2008, Calgary, Alberta, Canada; Abstracts, #90170 (2013).
Search and Discovery.com
2013
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
... the difference of the velocity that propagates based on its direction. And it will make the CDP gather have hockey stick effect as in Figure 2...
2018
Assessing properties of internal multiples for different geologies
Paul Ras, Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
..., we introduce three challenging 1D earth models in Figure 1. Model 1 is relatively simple and derived from a seismic velocity model for a major gas...
2022
Seismic Processing Strategies in the Deep Water Kutai Basin Gendalo Hub Pre-Stack Depth Migration
Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao
Indonesian Petroleum Association
... as was evident in the imprint of residual velocity error and channeling effect in the Gamma attribute (ratio between migration velocity and true velocity...
2011
Deep-Reading Technologies
Kim Gunn Maver, Colin Hulme, Mark McCallum, Ajay Nalonnil
GEO ExPro Magazine
... provide a unique insight into the effect of pressure change on the lithologic framework and associated movement of reservoir fluids. In connection...
2009
Method of Spatial Observations of RNP Under the Conditions of the Reef Zone of the Orenburg Cis-Urals
I. A. Mushin
Petroleum Geology: A Digest of Russian Literature
... RNP observations was carried out in sectors with simple relief and a well expressed thin zone of low velocity; therefore, the effect of the relief...
1963