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The AAPG/Datapages Combined Publications Database
Showing 493 Results. Searched 195,354 documents.
Normal Moveout and Dip Moveout, C. L. Liner, #40037
Search and Discovery.com
N/A
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
..., that is the medium has almost horizontal boundaries with almost homogeneous layers. But this is not completely right because we can see significant dips...
2015
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... complicated, including several inhomogeneous curvilinear layers? It can be proved theoretically that for a subsurface with modest structures we can use...
2015
Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)
Jiwu Lin, Sylvestre Charles, Josef Heim
Search and Discovery.com
... source position, Ck= arbitrary time th th shift for k CDP gather, Mk=residual NMO component at k CDP gather, and (j-i) = source-to-receiver distance...
2014
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... in a higher S/N ratio image then the conventional (NMO/DMO-) stack. The underlying theory of CRS stack is, however, developed for imaging primary events...
2007
Marine Statics
Chiem Boon Hong
Geological Society of Malaysia (GSM)
... Lutong, Sarawak Abstract: Statics are in general a problem which is commonly encountered in land seismic because of weathering layers and the elevation...
1987
Seismic Velocity Anisotropy in Chimore Area, Bolivia
Michael Fry, Eloy Martinez, James Baker, Mark Wallace
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... reflector degradation is seen as a set of time shifts associated with changing velocity with azimuth. This sinusoidal azimuthal variation in NMO velocity...
2008
Best Fitting of NMO Equations and Depth Conversion
Search and Discovery.com
N/A
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
... and CDP ray palh s. COP record tor model NMO and DMO Fig. 3. Contli cling lim c dips rcsulting in diffcrc nl movc-outs for th e same zero offsel retl...
1987
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... to achieve the interpretable image will likely consist of several individual steps. The number of steps, the order in which they are applied...
1992
Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)
David C. Henley
Search and Discovery.com
... conventional statics correction methods, is a set of NMO-corrected source or receiver gathers. Each gather is transformed to the radial trace (RT) domain...
2015
Abstract: Full Anelliptic Time Processing (Paper 7)
Charles Zeltser
Geological Society of Malaysia (GSM)
... into account during the subsequent processing steps such as normal moveout (NMO), dip moveout (DMO), and prestack time migration (PSTM). Anelliptic time...
2003
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... for the whole line. Wavefront propagating upwards through complex geology NMO – Flat Layers +25 degrees 0.0 degrees common-offset gather (COFF) –25...
2014
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
...DMO and NMO as Applied in Seismic Data Processing Jiunnyih Chen Geol. Soc. Malaysia, Bulletin 25, December 1989; pp. 39 - 52 DMO and NMO as applied...
1989
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
... images. Also, several attributes are produced as by products of this new method, which can be used as a tool for further calculations. The CO CRS...
2009
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
... of approximations, proposed by several researches, but the main idea of all NMO approximations is to keep time t and its derivatives at x = 0 the same...
Unknown
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
... of approximations, proposed by several researches, but the main idea of all NMO approximations is to keep time t and its derivatives at x = 0 the same...
Unknown
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... as an anisotropic medium. Many common types of anisotropic media can be approximated by sequences of isotropic layers with the seismic propagation...
2000
Understanding Multiples to Upgrade Low-Relief Prospects
Sunu H. Praptono, Witan O. Ardjakusumah
Indonesian Petroleum Association
... The Pematang Group (Syn-Rift Sediments) This group of sedimentary rock layers can be subdivided into two seismic facies. The lower layer consists of parallel...
1996
Modern Marine 3D Seismic Acquisition - Technical Considerations
Chris Walker
Petroleum Exploration Society of Australia (PESA)
.... As diffractions exhibit the full range of dips, the spatial sampling criterion for such energy, with an identical bandwidth to a reflection signal, is more...
1997
Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study
Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki
Indonesian Petroleum Association
... fidelity of wavefield representation by treating conflicting dips. In this method, a reflection event can be enhanced by a CRS operator that stacks seismic...
2011
Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)
Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...
2014
Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)
Emil Blias
Search and Discovery.com
... large differences in stacking velocity behaviour for deep seismic reflectors with small dips. A non-fist-breaks technology provides us tools...
2015
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... separated by the simple but critical process of Normal Moveout correction (NMO) and Common Mid-point (CMP) stack. NMO and CMP stacking require...
1987
Woollybutt 2001: A Geoscience Odyssey
D. J. Hearty, M. A. Battrick
Petroleum Exploration Society of Australia (PESA)
... the use of the reprocessed seismic NMO D.J. Hearty & M.A. Battrick ARBITRARY LINE THROUGH WOOLL YBUTT FIELD A s WBT3A • WBT 2AST1 W.B.1A WBT1...
2002