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The AAPG/Datapages Combined Publications Database

Showing 83 Results. Searched 195,387 documents.

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A Time Migration Before Stack

Richard Cooper, Malcolm Hobson

Geological Society of Malaysia (GSM)

..., stack then post stack migration. This paper presents a technique known as MOVES (Marcoux, 1987) which applies Dip Moveout, prestack time migration...

1991

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... by f-k filtering, dip moveout correction (DMO), and poststack time migration and filtering. The 2-D seismic data were problematic in two areas: noise...

1996

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... used to image data: dip moveout (DMO) and prestack migration. Either process approximately solves the problem of multivalued moveout due to dip...

1987

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...., 1984, Dip moveout by Fourier transform: Geophysics, 49, 741–757. Kim, Y. C., and Gonzalez, R., 1991, Migration velocity analysis with the Kirchhoff...

1992

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... of dip moveout (DMO) applied after normal moveout (NMO) correction, but before the data are stacked. DMO, a form of partial prestack migration, completes...

1992

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: 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

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... (dip-moveout) is recognized as the technique to image the steep dip events which are indiscriminately smeared when the data are processed...

1989

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... moveout on the NMO-corrected gathers. The converted-wave prestack migration algorithm needs to account for the different intrinsic VTI anisotropy...

2015

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... diffraction hyperbolas are preserved for the subsequent migration pass. DMO as discussed here is different from the classical definition of dip moveout which...

1996

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... corrections (e.g. fourth-order) can be applied to help improve the accuracy of NMO. Dip-moveout (DMO) is also part of the conventional processing stream...

2000

Abstract: DMO and Migration: Imaging Tools in Geophysics

Craig J. Beasley

Geological Society of Malaysia (GSM)

... of problems in seismic imaging related to focusing the seismic reflections has enjoyed dramatic success in recent years. Dip moveout (DMO) and migration...

1991

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

...-hyperbolic normal moveout is apparent, prestack depth migration should be performed. An additional issue that has become more evident in recent years...

2011

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)

... designed to handle these problems such as dip moveout and steep dip migration, while not perfect solutions, help tremendously in improving the seismic...

1994

Abstract: Migration of Velocity Spectra: An Example from the Philippines

Craig J. Beasley, Rolf Klotz

Geological Society of Malaysia (GSM)

... the migration velocity is to minimize the effects of dip and azimuth by applying dip moveout (DMO) to the data. However, velocity derived from DMO corrected...

1991

Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir

Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte

GCAGS Transactions

... information added to the seismic trace headers. Normal moveout (NMO) and dip moveout (DMO) corrections were applied with azimuthal anisotropic...

2002

Abstract: A Time Migration before Stack

Richard C. Cooper, Malcolm R Hobson

Geological Society of Malaysia (GSM)

... processing sequence. Similarly during the 1980's, we saw a proliferation of research and development of partial pre-stack migration operators, or Dip-Moveout...

1990

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... moveout (DMO) correction: NMO corrections are made under the assumption of horizontal planar reflectors. If the reflector has appreciable dip...

1992

Three-Dimensional Control

G. E. Anderson

Oklahoma City Geological Society

.... Figure 4 illustrates how this can be done. As the emerging wave front strikes the cable layout, the T dip moveout can be obtained for the North-South...

1958

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