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The AAPG/Datapages Combined Publications Database
Showing 765 Results. Searched 200,616 documents.
High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM
Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS
GEO ExPro Magazine
... the checkshot velocities at checkshot locations, The time-RMS model derived from PSTM velocity analysis residual moveout at these locations is attributed...
2016
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... in conventional CMP stacking. For a given source-receiver pair, the MultiFocusing moveout equation is based on the spherical approximation of the reflection...
2014
Three-Dimensional Seismic Method: Part 7. Geophysical Methods
Oz Yilmaz
AAPG Special Volumes
... midpoint (CMP) gathers, while in 3-D processing, traces are collected as common-cell gathers (bins). These gathers are used in velocity analysis...
1992
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... number is assumed for the water velocity, the moveout and depth of the water bottom may be compromised, especially if overall water depths vary across...
2012
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)
... acceptance for structural imaging and tomographic velocity analysis in geologically complex depositional environments (Gray et al., 2006...
2016
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... for the source to receiver azimuth contribution of each source to receiver residual moveout (RMO) analysis. Multi-Azimuthal Anisotropic Velocity Model...
2011
Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra
Peter Walker, Masrizal Maas, Michael D. Burnaman
Indonesian Petroleum Association
... Detailed stacking velocity analysis of line DD' (Figure 9) suffered from the poor data quality beneath the shallow anomalous zone...
1986
Converted-Wave Prestack Time Imaging without using P-Wave
Search and Discovery.com
... part. Effective velocity ratio (γeff) affects the intermediate offset moveouts and anisotropic parameter χeff only affects far offset in the moveout...
2013
The Impact of Multi-Azimuth Seismic Over Tidepole
D. Dickinson, S. Gagen
Petroleum Exploration Society of Australia (PESA)
...). A combination of independent velocity fields and statics were then used to align the data prior to multi-azimuth stacking. Although the results of this work were...
2013
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... aspects, we focused on the value of information obtained by using advanced processing flows, such as a 3D depth-tied velocity model construction using...
2013
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...
2013
Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).
Soo-Kyung Miong, Robert R. Stewart, Joe Wong
Search and Discovery.com
... using the root-mean-square velocity derived from a velocity analysis and then followed by VSPCDP stacking with a bin size of 10 cm (Figure 3b...
2015
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
.... J., 1969. Normal moveout and velocity relations for flat and dipping beds for long offsets. Geophysics, 34, 180-195. CLAERBOut,J.F., 1976...
1989
Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures
Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.
Southeast Asia Petroleum Exploration Society (SEAPEX)
... moveout making correction non-optimal. Significant velocity variations may be common because thrusting could result in repeated geologic sections laterally...
1994
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... that the moveout errors have not reduced to zero, and that there is still some difference between the azimuths. This implies that the velocity model has...
2019
Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin
Y. Zhan
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., the only velocity information that can be used for depth conversion is either from the seismic stacking velocity inside the Barnicarndy Graben or offset...
2021
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
... and the Kutai basin, the study area is strongly compartmentalized. Lateral velocity variations across faults with very significant throws induce severe fault...
2009
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
... drilling predicted pore pressure versus depth plot from seismic velocity correlating the four zones vs. the conventional methods. Note...
2016
ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)
Adeboye A. Oni, Gislain Madiba, and Berti Ozumba
Search and Discovery.com
... economic accumulations. Some of the consequences of looking deeper include the onset of overpressures and velocity anisotropy. One of the measures...
2010
Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica
S. V. Dadisman, H. F. Ryan, D. M. Mann
Circum Pacific Council Publications
... the D I S C O Z M U L T algorithm (Fig. 4 B ) . This algorithm involves: (1) applying normal moveout ( N M O ) 21 using a velocity function...
1987
Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)
Shaowu Wang and David Wilkinson
Search and Discovery.com
..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...
2014
ABSTRACT: Multi Focusing Stack Technique for Subsurface Imaging; #90118 (2011)
Sunjay Sunjay
Search and Discovery.com
... mandatory in areas of complex geology— because it accounts for traveltime nonhyperbolic moveout, it has, in fact, quite a limited purpose—to convert...
2011
Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming
David J. Taylor
Wyoming Geological Association
...) Datum Correction Trace Equalization Predictive Deconvolution Constant Velocity Analysis Normal Moveout Correction Hand Statics Corrections...
1998
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...
2015
Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary
Bruce Hart
PTTC
... have concentrated on P waves. The introduction defined and illustrated a number of seismic terms including: acoustic impedance, velocity, density...
2003