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The AAPG/Datapages Combined Publications Database
Showing 493 Results. Searched 196,371 documents.
Normal Moveout and Dip Moveout, C. L. Liner, #40037
Search and Discovery.com
N/A
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... A and B as shown in Figure 1. N y z Figure 1 : Ellipsoid reflector DMO AND NMO AS APPLIED IN SEISMIC DATA PROCESSING 41 For conventional seismic...
1989
ABSTRACT: The Impact of Post Migration Data Conditioning on Seismic Images and Attributes; #90115 (2010)
Adekanle Ayorinde, Youn Oong, and Iyiola Sunkanmi
Search and Discovery.com
... are residual multiples, high frequency random noise, coherent linear dipping noise, and residual Normal Moveout (NMO) and low frequency NMO stretch...
2010
Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)
Peter Whiting
Geological Society of Malaysia (GSM)
... imaging consists of NMO, DMO, stack and zero-offset time migration. Initially, NMO velocities are only approximate while constant velocity (or v(z) DMO...
1996
Abstract: Crs Processing Technique, by Sunjay S. Sunjay; #90081 (2008)
Search and Discovery.com
2008
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
... of seismic velocities is essential for transforming surface reflection time data into depth images of reflector locations. We should distinguish two kinds...
2015
Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)
Rob Vestrum
Search and Discovery.com
... picking velocities for NMO and pre-stack time migration in structured areas, we used an interactive velocity analysis tool that offers QC views of both...
2015
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... section for a subsurface consisting of a single dipping reflector. For a constant-velocity subsurface, the many weak diffractions from very closely...
1992
Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).
Search and Discovery.com
2004
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
...Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015). Yong Xu, Satinder Chopra Improving AVO Fidelity...
2015
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... stacking operation with certain condition which is planar reflector. In conventional stacking, amplitude of seismic wave only depends upon physical...
2013
Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)
Francois Audebert and Volker Dirks
Search and Discovery.com
... on the positioning of TTI reflector we build analytically a simple dipping facet (a local planar reflector) model. The facet dip is characterized by the phase...
2015
Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)
Raul Cova, David Henley, and Kris Innanen
Search and Discovery.com
... at different offsets depending on the reflector. In order to address the problem of a dipping LVL and validate the predicted traveltimes given...
2015
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
...Long-Offset Approximations to NMO Function for a Layered Subsurface E. Blias Long-Offset Approximations to NMO Function for a Layered Subsurface E...
Unknown
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
...Long-Offset Approximations to NMO Function for a Layered Subsurface E. Blias Long-Offset Approximations to NMO Function for a Layered Subsurface E...
Unknown
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
.../s at the horizontal reflector. CMP gathers were generated for this model; NMO, DMO, and inverse NMO were applied; then velocity analyses were computed...
1992
Abstract: Seismic Study of a Possible Eroded Impact Structure, Southern Alberta; #90224 (2015)
Wei Xie and Douglas R. Schmitt
Search and Discovery.com
... Deconvolution (Different window length) CMP Binning/ Initial Velocity Analysis /NMO Correction Residual Statics Corrections Surface Consistent Spiking...
2015
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
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
... the same point, the dipping reflector segment B is exhibiting an extended reflection area. Since stacking velocities depend on dip obviously the NMO...
1987
Anisotropy
Search and Discovery.com
N/A
Abstracts: Seismic Anisotropy of the Marcellus Shale: Feasibility Study for Fracture Characterization; #90173 (2015)
James Gaiser, Alvaro Chaveste, Mary Edrich, Tony Rebec, and Richard Verm
Search and Discovery.com
... characterization of two principal crack densities, an infill fluid factor and isotropic background velocity is possible by inversion of NMO ellipses and zero...
2015
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
... effects are also present when imaging steeply dipping events. The usefulness of the AAMO equation is demonstrated by use of a Kirchhoff pre stack time...
2000
ABSTRACT: An Integrated Approach to Pressure Prediction from 3D Seismic Data, by Mike French and Dr. Nader Dutta; #90913(2000).
Search and Discovery.com
2000
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... causes of LFS are the presence of free gas or normal moveout (NMO) stretching. In order to have a deep understanding of the low frequency shadow causes...
2019
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
...; Berkovitch et al., 1998). The principle goal of multifocusing is the same as for NMO-DMO stack: to create an accurate approximation of the zerooffset...
2011