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Showing 27,163 Results. Searched 195,364 documents.
The Fabric, or Internal Structure, of Rocks The Patterns of Anisotropy; #42188 (2018)
Heloise B. Lynn
Search and Discovery.com
... variation by source-receiver azimuth (a wobble, red arrow). The data are sorted first by offset group, then by azimuth within each offset group...
2018
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... be observed on P-wave seismic data. When the data are sorted into Common-Offset, Common-Azimuth (COCA) gathers, a characteristic sinusoidal reflection time...
2014
Chapter Five: Reservoir Identification
Alistair R. Brown
AAPG Special Volumes
.... Figure 5-48. Common-depth-point gathers corrected for moveout showing variation of amplitude with offset for several horizons. The application...
2011
Technical Article: Finding Subtle Traps with Seismic: Interpretative Criteria Clarified
A. Easton Wren
Petroleum Exploration Society of Australia (PESA)
... velocities and, equivalently, Poisson's ratios fm the magnitude of the reflection coefficient at offset. There is a simple relationship between the three...
1986
Abstract: 3-D Design with DMO Modelling, by D. L. Connelly and J. M. Galbraith; #90951 (1996).
Search and Discovery.com
1996
SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Summary and Conclusions
Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver
AAPG Special Volumes
.... The event labeled 'Refl.' is a reflection from rocks at about 5-6 km. End_Page 23------------------------- Figure 4B.--Individual vibrator point record...
1983
Principles of AVO Crossplotting [Abstract]
John P. Castagna, Herbert W. Swan
Oklahoma City Geological Society
... "AVO anomalies" may show increasing or decreasing amplitude variation with offset. Conversely, brine-saturated "background" rocks may show increasing...
1997
Abstract: Principles of AVO Crossplotting, by J. P. Castagna and H. W. Swan; #90944 (1997).
Search and Discovery.com
1997
Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan
William C. Ade, Ian T. McMahon, Wahyudin Suwarlan
Indonesian Petroleum Association
... were "tracked" on each offset plane or line. For each track an amplitude variation with offset time slice could be produced by intersecting the track...
1988
Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience
N. J. Fisher, F. R. Nicholson
Papua New Guinea (PNG) Petroleum Convention Proceedings
... alignment of likely reflection energy on the far offsets close to the first arrivals. In fact, because the near offset first arrivals die out at Station...
2000
The Role of Horizontal Seismic Sections in Stratigraphic Interpretation: Chapter 3
Alistair R. Brown
AAPG Special Volumes
... different offsets or groups of offsets for one common depth point. Figure 8 shows a horizon offset section in which the variation in amplitude with offset...
1985
Abstract: An Investigation of Seismic Amplitude versus Offset (AVO), Computer Modelling and Field Data from the Kaimiro Field, Onshore Taranaki
Alex McAlpine, Mick Micenko, Derek Woodward, Jonathon Ravens
Petroleum Exploration Society of Australia (PESA)
... of the amp I itude variation with offset was therefore undertaken. Rock velocity data and fluid property data from the Kaimiro Field were used to create one...
1997
Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia
Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani
Indonesian Petroleum Association
... and a high level of uncertainty in the amplitude variation with offset analysis. In the area with ultra-shallow-water depths (ranging from 60 to 100m...
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
... areas based on the seismic data is getting more and more important. Amplitude variation with offset techniques are well-known direct hydrocarbon...
2015
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
... at or near the surface and a receiver down the borehole. The source may be at or close to the wellhead (zero-offset VSPS). This would create reflection...
1989
Marine Multicomponent Seismic – The New Issues in the Developing Revolution
Jason Robinson
Indonesian Petroleum Association
..., A., 1988. Common reflection point data stacking technique for converted wave. Geophysical Prospecting, v. 36, pp. 671-688. Thomsen, L., 2001. Seismic...
2002
Abstract: A Study of PS Wave AVO; #90255 (2017)
Young-Fo Chang, Jai-Wei Liu
Search and Discovery.com
... University Abstract Amplitude variation with offset (AVO) is a technique used in petroleum exploration to estimate the lithology and pore fluids...
2017
Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods
Allan T. Long, R. C. Anderson
AAPG Special Volumes
...Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods Allan T. Long, R. C. Anderson 1992 398 400 ME 10: Development Geology Reference...
1992
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
..., culminating in poor sub-thrust illumination. It is shown that imaging of the footwall is highly dependent on the thrust interpretation and on the offset...
2000
Extending the Resolution of Seismic Reflection Exploration
L. R. Denham
Pacific Section of AAPG
... than 15% trace stretching in the normal-moveout correction; this corresponds to an offset approximately equal to the depth of a reflection...
1980
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... and Xo as the distance between CMP (Common Middle Point) and CRP (Common Reflection Point), their NMO, DMO and migration relationships can be easily...
1989
Drilling Using AvO to Reduce Uncertainties in D35 Infill
Meh Jabeen Zainuddin
Geological Society of Malaysia (GSM)
... by 25 traces with the well at centre) was used instead of a single point to allow for statistical variation. It has been observed that separation...
1998
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...-offset reflection point is the zero-offset sideslip distance S0. 1995; Vestrum and Muenzer, 1997; Ferguson and Margrave, 1998; Vestrum et al., 1999...
2006
Seismic Evidence for Widespread Possible Gas Hydrate Horizons on Continental Slopes and Rises
Thomas H. Shipley, Mark H. Houston, Richard T. Buffler, F. Jeanne Shaub, Kenneth J. McMillen, John W. Ladd, J. Lamar Worzel
AAPG Bulletin
... collected about 30,000 km of multichannel, common-depth-point (CDP), seismic reflection data from the east coast of the United States, the Gulf of Mexico...
1979
Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration
D. C. N. Pratt, Tong Pow Mun
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to Stratigraphie and Hydrocarbon Determination. “American Association of Petroleum Geologists”, M.26, pp 301–327. 6. Yu, G, 1985, Offset-Amplitude Variation...
1990