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The AAPG/Datapages Combined Publications Database

Showing 161 Results. Searched 201,044 documents.

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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)

... with dipping reflectors. Recapitulating, DMO can now be defined as a process that creates apparent common-reflection point gathers from common-midpoint...

1996

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... € Figure 2: Lateral shift of reflection point with offset for a horizontal reflector beneath anisotropic strata dipping at 15°. Distance units...

2006

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... location originate from the same subsurface location (hence its old name Common Depth Point (CDP) stack). In areas with dipping reflectors...

1987

Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)

Margaret A. Stratton, Robert Vestrum, Dennis Ellison

Search and Discovery.com

.... Vestrum, R.W., and D.C. Lawton, 2010, Reflection point sideslip and smear in imaging below dipping anisotropic media: Geophysical Prospecting, v. 58...

2015

Analysis of geologic structures using deep sonic imaging

Nobuyasu Hirabayashi, Leon Dahlhaus, Rajeev Kumar, Jeroen Jocker, Erik Wielemaker, Manish Lal Khaitan, Charles Naville

International Meeting for Applied Geoscience and Energy (IMAGE)

... ray path defined by a source-receiver pair and reflection point. The trial-reflector is defined for the thick ray so that the reflection becomes...

2024

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... and Xo as the distance between CMP (Common Middle Point) and CRP (Common Reflection Point), their NMO, DMO and migration relationships can be easily...

1989

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

Search and Discovery.com

.... S is the distance between the actual subsurface reflection point and the reflection point when the processing algorithm assumes isotropy (modified from Vestrum et...

Unknown

Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth

Isabel Cristina Florez, Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... between the actual subsurface reflection point and the reflection point when the processing algorithm assumes isotropy (modified from Vestrum et al...

2006

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝒙 is the specular reflection point given (𝒔, 𝒓; 𝑡)] and their difference (Figure 3f) show that picked 1/𝑄 is contaminated by steeply dipping linear noise...

2022

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

... field derived from velocity analysis of common reflection point gathers in the time domain. I know that there should be high velocities above...

2009

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... but his estimate might be in error by 25%. A feature such as a small fault or an amplitude change on a gently dipping reflection at three seconds might...

1981

Improving fault resolution from multiple angle stacks by latent feature analysis with deep learning

Fan Jiang, Konstantin Osypov

International Meeting for Applied Geoscience and Energy (IMAGE)

... at a specific incident angle in order to gain a better understanding of subsurface structure. Stacking the data from moveout corrected common reflection point...

2024

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... with reflection from either side of the seismic profile (Figure 6). The distance between the common reflection point (CRP) and CMP shown in Figure 7 has...

2006

Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming

Alvin K. Benson

Wyoming Geological Association

... it originates in space, appears directly below the shot point on a given reflection trace. Dipping reflectors are shifted, concave curvatures may appear...

1989

Ekofisk--First of Western European Giant Oil Fields: ABSTRACT

Edwin Van Den Bark, Owen D. Thomas

AAPG Bulletin

... using its End_Page 701------------------------------ common-reflection-point seismic system. On a reflector near the Danian the structure exhibited...

1979

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... geology, reflections may be recorded at large horizontal distances from the reflection point. Seismic migration is the process that attempts to move...

2001

Method of seismic wave advance geological prediction in soft layer

Xingmeng Dong, Zhoutuo Wei, Yuwen Zhai, Jigen Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

.... (a) t=5 ms (b) t=10 ms 1 Method description In reflected wave exploration, the reflection point cannot be uniquely determined, and the reflection...

2022

Common Reflection Point Techniques in Highly Explored Areas: ABSTRACT

Harry W. Mayne

AAPG Bulletin

...Common Reflection Point Techniques in Highly Explored Areas: ABSTRACT Harry W. Mayne 1965 1087 1087 49 7. (July) Experience in some highly explored...

1965

Reflection Seismic Imaging of the Carboniferous Bay St. George Subbasin, Onshore Western Newfoundland: A Reappraisal of Paleozoic Stratigraphic Thickness

J. Hall, G. Langdon, B. Roberts, D. Hawkins , A. Fagan, I. Knight, G. Kilfoil

CSPG Bulletin

.... No gap was employed during roll-on and -off. The roll-on and -off ensured that the reflection point coverage extended the full length of the line...

1992

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

... In common reflection angle imaging (CRAM) each of the three reflection events illustrated in Figure 1 is treated separately at each image point...

2007

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... CDP reflection point spacing (25 ft) while still remaining cost-effective. The geophone array (12 phones over 50 ft) was selected...

1984

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

... Geophysicists and the American Association of Petroleum Geologists VSP imaging comparison mirrored reflection point is implicitly identical to ray path 2...

2022

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