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The AAPG/Datapages Combined Publications Database
Showing 20,235 Results. Searched 200,357 documents.
Possibilities for Seismic Refraction Surveys in Oil-Gas Exploration on Northeast Shelf of Sakhalin Island
V. E. Konov, K. F. Sergeyev, V. V. Argentov, S. K. Bikkenina, V. V. Zhigulev, E. G. Zhil’tsov
Petroleum Geology: A Digest of Russian Literature
... velocities are used here. Figure 4 is a graph showing this relationship. This graph was used as a basis for analysis of velocity models to determine...
2001
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
...: A versatile 3-D earth model and robust model editor Accurate velocity analysis and representation Robust 3-D forward modeling of rays and waves...
2011
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen δ to justify anisotropic PSDM. Azimuthal velocity analysis using Wave...
2014
Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration
Robi Junipa, Michel Bee
Indonesian Petroleum Association
... of mistakes: wrong time depth curve from synthetic (velocity), wrong depth marker, improper picking of time horizon, and tuning problem (Junipa, 2009...
2010
Analysis of Error of Seismic Structural Constructions by Comparison with Drilling Data in the Samotlor Field
N. Ya. Kunin, T. B. Krasil’nilova
Petroleum Geology: A Digest of Russian Literature
...Analysis of Error of Seismic Structural Constructions by Comparison with Drilling Data in the Samotlor Field N. Ya. Kunin, T. B. Krasil’nilova 1977...
1977
Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand
S. Thanatit, S. Ronghe
Indonesian Petroleum Association
... of Horizon A over the entire survey area illustrating channel features and a fan-shaped deposit. The data subset selected for analysis is outlined in red...
1999
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)
... attribute analysis of anisotropy from elliptical velocity inversion indicates that anisotropy varies horizontally and vertically, and that it is dominantly...
2016
Seismic Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
.... Analysis of these data has revealed the existence of rapid lateral changes in velocity which fit into a regional pattern. The causes of the variations...
1941
Structure of Upper Cenozoic Strata Beneath Kodiak Shelf, Alaska
Michael A. Fisher, Roland Von Huene
AAPG Bulletin
... velocity equation, so the reflection below horizon D is shown with only approximate attitude and location. The migrated section confirms that strata...
1980
Seismic Exploration for Fractured Lower Dakota Alluvial Gas Sands, San Juan Basin, New Mexico, by Reeves, James J. and W. Hoxie Smith; #90030(2004)
Search and Discovery.com
2004
Seismic Exploration Using Shear Waves
R. Garotta
Indonesian Petroleum Association
..., the average velocity goes from 2.2 to 2.8 km/sec for shear waves, as it goes from 4.5 to 4.8 km/sec for pressure waves. Velocity horizon displays give an idea...
1978
Fault Shadow Issues and Resolution in Model and Real Data
Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... which includes travel time tomography, depth focusing analysis, and migration velocity scans. A generalized workflow is shown in Figure 12. Figure 12...
2002
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... they handle lateral velocity variations. The depth algorithm comprehends any lateral velocity variation whereas the time algorithm assumes local...
2000
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
Abstract: Seismic Imaging in the Foothills of the Zagros Mountains Using Geologic Constraints, by R. Vestrum, #90188(2014)
Search and Discovery.com
2014
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java
Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... optimal imaging. Standard velocity analysis is too crude for the purpose and the assumption of hyperbolic moveout does not always apply. Recently, we have...
2002
Chapter 7: Advanced Reservoir Characterization Using 3D Seismic Data in Badger Basin, Bighorn Basin, Wyoming
John E. Buggenhagen
Montana Geological Society
... within the newly created geologic framework. These include detailed velocity modeling, continuity analysis, and horizon based attribute...
1997
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
..., that are likely to impact fracturing. Seismic attribute analysis of anisotropy from elliptical velocity inversion indicates that anisotropy varies...
2016
ABSTRACT: Depth Volume Visualization and Interpretation of Shallow Geologic Features at Abqaiq Field, Saudi Arabia; #90013 (2003)
Arthur E. Gregory, Andrew M. Knowlton, Gregory S. Douglass, Barton A. Payne, Luke F. LaFreniere, Mohammed A. Tayyib
Search and Discovery.com
.... In addition, at least eight circular features that are up to 5.5 km in diameter have been recognized in the early Tertiary section on time and horizon slices...
2003
Use of Record Character in Interpreting Results and Its Effect on Depth Calculation in Refraction Work
T. L. Allen
AAPG Bulletin
... breaks of the third horizon until after the basement velocity curve intersects both of them. Should the small wave or "forerunner" be interpreted...
1932
Geophysical Characterization of Lithology--Application to Subtle Traps
Carl H. Savit, Changsheng Wu
AAPG Special Volumes
... surveys or the geometric analysis of reflection times (the classic normal-moveout-velocity analysis). Results of such calculations of sound velocity...
1982
Abstract: AVO Depth Modelling (Paper 2)
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... confidence levels might be derived from a risk appended interpretation. The method of amplitude variation with offset analysis (AVO) from otherwise...
1996
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... Curvature Analysis (RCA) on PSDM gathers. If the PSDM velocity/anisotropy model is correct, migrated gathers are generated with © IPA, 2012 - 35th Annual...
2011