A Time Migration Before Stack

Richard Cooper, Malcolm Hobson

Geological Society of Malaysia (GSM)

... processing sequence. Today it is common to incorporate a Dip Moveout (DMO) correction into the processing sequence prior to stacking. In this paper we present...

Abstract: 3-D Design with DMO Modelling, by D. L. Connelly and J. M. Galbraith; #90951 (1996).

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

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

Geological Society of Malaysia (GSM)

... correctly, and in the right circumstances, the normal moveout for reflectors from a dipping bed will now stack independent of the dip angle. A very...

Normal Moveout and Dip Moveout, C. L. Liner, #40037

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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...

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...

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...

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...

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...

Abstract: Seismic Data Processing in Anisotropic Media, by V. Celis; #90951 (1996).

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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...

Abstract: High Resolution Radon Transforms based Compressive Sensing Principles, by Y. Ma and Y. Luo, #90188 (2014)

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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...

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...

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

.... If steep and/or conflicting dips are involved in the data a special dip moveout (DMO) processing is required to improve the stacked data for migration...

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...

Shipboard Processing and Interpretation

D.M. Angstadt

Geological Society of Malaysia (GSM)

... in a shorebased seismic data processing center excluding some of the more advanced and time-consuming technique such as dip moveout (DMO). After parameter testing...

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...

Machine Calculation of Migration Data

E. Usdin

Oklahoma City Geological Society

... (spread length) d (datum plane) r (reflection time) t (dip moveout) The machine calculates and types out five answers which...

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...

Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

... ACCURACY REQUIREMENTS FOR AVO ANALYSIS CRAIG J. BEASLEY WESTERN GEOPHYSICAL COMPANY SINGAPORE Dip-moveout (DMO) is commonly used in seismic data...

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...

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...

Amplitude and Phase Accuracy for x-t DMO, by Craig J. Beasley; #91024 (1989)

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Abstract: Benefits and Limitations of 3-D Poststack Depth Imaging in Complex Geological Settings, by J. Cabrera; #90951 (1996).

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