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The AAPG/Datapages Combined Publications Database

Showing 25,951 Results. Searched 189,922 documents.

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Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...

2013

AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia

C.J. Dueñas, M. G. de Freitas, A. Mantilla

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...’s fluid substitution equations; and the Zoeppritz’s approximation for modeling the angledependent reflectivity. We also used Han’s shaly sandstones...

2006

Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)

Benjamin Roure and Jon Downton

Search and Discovery.com

... angle of incidence, the amplitude variation with azimuth can be decomposed into four FCs by keeping only nd th the 2 and 4 order terms. For each...

2014

Estimation of Gas Reservoir Boundary by AVO Analysis

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

Southeast Asia Petroleum Exploration Society (SEAPEX)

... at the insident angle θ, NI = P wave normal incident reflectivity, α = average of the P wave velocities across an interface, β = average of the S wave...

1996

ABSTRACT 3-D Interpretation of a Meteorite Impact Field, Red Wing Creek Field, Williston Basin, Western North Dakota, #90125 (2011)

Herber Ben, Weimer Paul, Bouroullec Renaud, Barton Roger, Hammon William, Dorn Geoff, Huang Chunju, Jiang Shu

Search and Discovery.com

... entirely of the Mississippian Madison Group strata, and flanking annular rim. The seismic reflectivity within the central core is poor, but well log...

2011

ABSTRACT 3-D Interpretation of a Meteorite Impact Field, Red Wing Creek Field, Williston Basin, Western North Dakota, #90126 (2011)

Herber Ben, Weimer Paul, Bouroullec Renaud, Barton Roger, Hammon William, Dorn Geoff, Huang Chunju, Jiang Shu

Search and Discovery.com

... entirely of the Mississippian Madison Group strata, and flanking annular rim. The seismic reflectivity within the central core is poor, but well log...

2011

Abstracts: AVO Analysis of 3-D/3-C Datasets from Weyburn CO2 Storage and Monitoring Project; #90173 (2015)

Le Gao and Igor Morozov

Search and Discovery.com

... Storage and Monitoring Project Le Gao* and Igor Morozov University of Saskatchewan, Saskatoon, SK [email protected] Summary Amplitude variation...

2015

Implications for the Hydrocarbon Presence: An Example from Lower Indus Basin, #10808 (2015).

Syed Ali Asghar

Search and Discovery.com

... position as the Poisson’s ratio map. • The values of reflectivity were found increasing as the angle is increased in the analysis. • This could...

2015

Abstract: Regional Rock Physics Application for Improved Understanding of Thief Sands in Offshore Sarawak Basin (Geophysics Paper 11)

Yeshpal Singh

Geological Society of Malaysia (GSM)

... responses of sand tops are represented with positive reflectivity contrast and with dimming amplitudes of angle/offsets. The rock physics modelling...

2011

GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway

Cyrille Reiser, Eric Mueller, PGS

GEO ExPro Magazine

..., enabling a rapid assessment of the elastic property variation as well as the prestack seismic response to changes in reservoir properties...

2021

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

... of the reflecting boundary as well as the constituents of the boundary. Therefore it is also referred to as Amplitude Variation with Angle (AVA), as the angle...

2014

An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend

Russell Hoopes, W. M. Aber, Jr.

Bulletin of South Texas Geological Society

..., aerial extent and reflectivity pattern of the pay. Reflection Coefficient vs. Offset (RVO) (Figure 2), utilizes a transform derived from local...

1990

Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... and Calibration Considerations Heath Pelletier* Talisman Energy, Calgary, AB [email protected] Introduction Amplitude Variation with Offset (AVO...

2013

Rock Physics Model of the Eagle Ford Shale

Colin M. Sayers, John J. Walsh, Kevin Fisher, Sagnik Dasgupta

Unconventional Resources Technology Conference (URTEC)

... are required to optimally locate wells in these low-permeability reservoirs. The variation of seismic reflection amplitude with angle of incidence (AVA...

2015

Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

... variation with the angle and azimuth (AVAZ) method. Jenner (2002) reformulated the Rüger (2001) equation for P-wave reflection coefficient from a boundary...

2014

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... of angle of incidencesine of angle refraction = velocity in incident mediumvelocity in refracting medium Fig. 5 illustrates...

1981

Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.

Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han

Indonesian Petroleum Association

... calculates coefficient reflection for 0o angle of incident, and with the utilization of AVO gradient, it can calculate the angle-dependent reflectivity...

2021

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang

Unconventional Resources Technology Conference (URTEC)

... calculations require seismic data versus angle, but PSTM images are generally organized in terms of surface offset and azimuth. Lateral velocity variation...

2013

PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)

Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang

Search and Discovery.com

... velocity variation motivates the use of PSDM to correct event dips and improve the focusing of faults. Vertical mistie correction predicted the top...

2014

P-S Converted Wave AVO Analysis for Reservoir Characterization

Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy

Indonesian Petroleum Association

... response can be exploited and be used as a tool to detect the density variation. Given that the P-S reflectivity is related to density contrast, when...

2017

Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin

Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.

Indonesian Petroleum Association

... at the angle gather and angle dependent reflectivity curve, which is displayed in Figure 6. The angle gather is taken from CDP 4758. The AVO curve shows...

2007

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