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The AAPG/Datapages Combined Publications Database

Showing 25,324 Results. Searched 187,797 documents.

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Seismic Lithology and Pitfalls in Seismic Porosity Detection: ABSTRACT

D. R. Balogh, W. Barney, D. Harvey, G. W. Snyder

AAPG Bulletin

... in reflection amplitude with offset within common depth point gathers. Consequently, after stacking, the stacked section will be poorly correlated...

1985

Abstract: Amplitude variation with offset (AVO) inversion modeling with a local elastic solver

Ligia Elena, Jaimes Osorio, Alison Malcolm

Atlantic Geology

...Abstract: Amplitude variation with offset (AVO) inversion modeling with a local elastic solver Ligia Elena, Jaimes Osorio, Alison Malcolm Amplitude...

2018

SAMPLE--Seismic Amplitude Measurement for Primary Lithology Estimation: ABSTRACT

Gary S. Gassaway, H. J. Richgels

AAPG Bulletin

... to be a function of P-wave velocity. The unknown Poisson's ratios can be determined from the reflection amplitude variation with angle of incidence (offset...

1984

Reflection Seismogram in a Solid Layered Earth: ABSTRACT

Milo M. Backus, Filho Nepomuceno, Jingzhong Cao

AAPG Bulletin

... of compressional and shear velocity variations. The expected variation in reflectivity with offset in clastic basins suggests that we should seriously...

1983

Offset Panel Aids Processor and Interpreter: ABSTRACT

Thomas K. Fulton, K. Michele Darr

AAPG Bulletin

...Offset Panel Aids Processor and Interpreter: ABSTRACT Thomas K. Fulton, K. Michele Darr 1982 1689 1689 66 10. (October) A novel display of common...

1982

ABSTRACT: Determining Reservoir Compartmentalization Using Differential Wide Aperture Seismic; #90061 (2006)

James H. Leven

Search and Discovery.com

... information required for reservoir modelling is usually not resolved by the near offset wavefield due to the seismic wavelength of the reflection seismic...

2006

Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field

W.E. Johnson

Rocky Mountain Association of Geologists

... of Geologists RECEIVER AMPLITUDE VS. OFFSET GRADIENT MODELING = p = v = R(O) a= 63 REFLECTION COEFiWlENT DENSITY VROCITY POISSONS RATIO...

1988

Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... them through the azimuthal amplitude variation with offset, or AVO, analysis procedure to determine the fracture density and orientation. We do...

2019

Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)

Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... the midpoint x and the reflection point ξ, and h is the half-offset between the source and the receiver. Since the dip direction is perpendicular...

2014

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... to the reflector depth is sufficiently small. At what point an LVT begins to have a dynamic effect on reflection times is discussed in Appendix A wherein the time...

1982

Abstract: Seismic Amplitude Measurement for Primary Lithology Estimation (SAMPLE): Case Histories From Tertiary Western Basins

G. S. Gassaway

Earth Science Bulletin (WGA)

... from the reflection amplitude variation versus shot-to-geophone offset within a CDP gather (Gassaway and Richgels, 1983). From a crossplot...

1984

Abstract: AVO Crossplots as an Aid to AVO Interpretation

Mark Sams

Geological Society of Malaysia (GSM)

... & Scientific Services Sdn. Bhd. Lot 3288 & 3289, Jalan Ayer Itam Kawasan Institusi, Bandar Baru Bangi 43000 Kajang Amplitude Variation with Offset (AVO...

1997

Abstract: AVO and Poisson's Ratio: An Application to Seismic Data Processing

Michel Denis

Geological Society of Malaysia (GSM)

... amplitude is proportional to the reflection coefficient, is used to deduct two seismic rock properties i.e. the Poisson's Ratio Variation, and normal...

1991

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

... the receiver position to the farthest reflection point coordinate. For offset VSPs, reflection points are always distributed over some horizontal distance...

1992

AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

... Variation with Offset, or Amplitude Versus Offset) analysis is the investigation of seismic P-wave reflection data in search of a characteristic change...

1997

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... of the reflection point for a zero offset by about 20% of the offset (Figure 9). Another way of looking at the problem is shown in Figure 10. The zero...

1981

Estimation of Gas Reservoir Boundary by AVO Analysis

Alfian D. Santoso, L. Hendrajaya, F. Makhruf, Purwoko, S. Ardisasmita

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., but it is correct for a receiver located at the subsurface reflector point and seen by plotting the reflection coefficient to the angle of incident...

1996

Slide Rule Seismic Computations

Robert H. Mansfield

Oklahoma City Geological Society

... migrated position, which may also be defined as the maximum depth, Zmax, for the reflection time in question, less the "rise" and "offset" necessary...

1958

Chart Migrations

Frank A. Roberts

Oklahoma City Geological Society

... of true dip, and the average velocity to the reflecting horizon. The vertical two-way travel time to the migrated depth point is Figure 1. REFLECTION...

1958

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... of the reflection point on the subsurface reflector for increasing offset. The zero offset trace from the midpoint of the shot and receiver pair...

1987

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... behaviour across the porous facies. On Figure 11b amplitudes of the Baturaja reflection show little variation with offset, with colors staying...

1986

Practical Applications of Amplitude-vs-Offset Analysis in Expanded Yegua Exploration

James L. Allen

Houston Geological Society

... reflection coefficients for gas sands at nonnormal angles of incidence," Geophysics, Vol. 49 No. 10, pp 1637-1648, October 1984. Yu, Gary, "Offset...

1989

ABSTRACT: AVO CASE STUDY IN THE ILLIZI BASIN - ALGERIA; #90016 (2003)

BELLAHCENE Amin, MOUGGARI Ali

Search and Discovery.com

... of amplitude variation with offset (AVO) to prestack reflection data has proved to be very useful in identifying hydrocarbon accumulations in various other...

2003

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

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