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The AAPG/Datapages Combined Publications Database

Showing 31,563 Results. Searched 190,067 documents.

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Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)

David Gray

Search and Discovery.com

... at a steep angle, robust AVO fitting techniques or rotation on to principal components will significantly reduce their effect. AAPG Search and Discovery...

2015

Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration

Konstantin Galybin, Anastasia Poole, Michael Giles

Petroleum Exploration Society of Australia (PESA)

... and Miller, D.E.. 1999 (2), Analysis of multiazimuthal VSP data for anisotropy and AVO. Geophysics, 64 (4), 1172-1180. Map Data, GBRMPA, 2016...

2016

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

..., and (4) incorporation of AVO results into risk and reserves assessment. Some factors such as lithology, tuning, and overburden anisotropy effects have...

2013

Experience with Seismic Lithology (AVO) in Central Sumatra

Jeff Wright, Isdjulaedi Bakri, Budi Subiyanto

Indonesian Petroleum Association

..., porosity or fluid content changes in the rocks. The effect of gas on AVO is often large because gas decreases P-wave velocity and increases S-wave...

1990

Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... to minimise the overburden anisotropy effect, a limited time window for anisotropy analysis was selected to cover only the fractured layer Anisotropy...

2018

Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)

Jon Downton

Search and Discovery.com

...-Russell Software, a CGG Company Summary For amplitude versus offset (AVO) studies it is common practice to perform forward modelling to understand whether...

2015

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... of extracting AVO attributes from the before-and-after real (noisy) gathers. However, the effect on the full crossplot dataset is the same; it is stretched...

2007

Abstract: An Effective Medium Model for a Fractured Carbonate Reservoir Undergoing CO2 Flood at Weyburn Field, Saskatchewan; #90174 (2014)

Chris Blackwood

Search and Discovery.com

..., Weak elastic anisotropy: Geophysics 51, 1954-1966. Verwer, K., Eberli, G., Baechle, G., and Weger, R., 2010, Effect of carbonate pore structure...

2014

EXTENDED ABSTRACT: Conforming and Non-Conforming Sands - An Organizing Framework for Seismic Rock Properties

Young, Roger A. and LoPiccolo, Robert D.

GCAGS Transactions

... (or shaley lithologies) are masked out. Thus, in effect, AVO type becomes an instantaneous attribute of the seismic data. The association with non...

2004

Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)

Yexin Liu

Search and Discovery.com

... to correct for the layering effect. VTI also causes the AVO amplitude anomalies and then makes the practical application difficult for AVO attribute...

2015

Induced AVO Anomalies from Pore Pressure Effects

A.C. Buginga Ramos, M.A. Santiago Toledo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and the strong negative AVO gradients. RESULTS As stated earlier the effect of overpressure in the shale section is to cause a significant increase...

2006

Abstract: Azimuthal Fourier Coefficients: A Simple Method to Estimate Fracture Parameters; #90174 (2014)

Jon Downton and Benjamin Roure

Search and Discovery.com

... [email protected] and Benjamin Roure, Hampson-Russell Software & Services, A CGGVeritas Company, Calgary, Canada Summary Azimuthal AVO...

2014

Abstract: Geomechanics, Anisotropy and LMR; #90174 (2014)

Marco Perez, Bill Goodway, and David Close

Search and Discovery.com

...Abstract: Geomechanics, Anisotropy and LMR; #90174 (2014) Marco Perez, Bill Goodway, and David Close AAPG Datapages/Search and Discovery Article...

2014

Abstract: Isotropy: A Lethal Assumption in Geomechanical Modeling of Shale; #90240 (2015)

Hamed Soroush

Search and Discovery.com

... scales. Anisotropy has a pronounced effect on the physical and mechanical properties of shale, including acoustic wave propagation, deformation...

2015

Pre-Messinian Tight Reservoir Characterization „Western Nile Delta, Egypt; #11317 (2020)

Trisakti Kurniawan, Hasnor Farhana Hasnan, M Adni B Wahab, Wahyu Prasetyotomo, Christian Brinzer, Alessandro Mannini

Search and Discovery.com

... by carbonates or quartz over growth are widely distributed along with the presence of tight stringers, sand-shale overpressure, and/or the effect...

2020

A Feasibility Study Using Wells and Controlled Source Electronic Modeling in a Miocene Reservoir, Offshore Mexico

Paola Vera de Newton, Amanda Geck Alvarez, Marco Vázquez, Humberto Salazar

GCAGS Transactions

... electromagnetic (CSEM) responses. Synthetic seismic and amplitude variations with offset (AVO) modeling is used to calculate the effect of variations...

2013

The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and Discovery.com

... gathers illustrate the effect of VTI (layer anisotropy) on P-P data. (Left) The reflectors are fairly flat on the near offsets. The curve up is due...

2018

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

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

... for near vertical propagation. This equation relates the AVO response to the anisotropy parameters and provides physical insight into the reflection...

2014

P-S Converted Wave AVO Analysis for Reservoir Characterization

Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy

Indonesian Petroleum Association

..., In comparison to P-P AVO methods, the advantage would be that the density effect is appreciable at much shorter offsets due to sharper reflection angle...

2017

Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia

Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham

Indonesian Petroleum Association

.... Scott, 1993. AVO and Anisotropy from Logs and Walkaways, Exploration Geophysics, 24, 623-630. The use of AVO techniques have in some cases...

1994

Combined AVO and Spectral Decomposition Analyses to Characterize Gas Sand Reservoir Below Tuning Thickness Condition

Julian Saputro, Jaenudin, Alexis Badai Samudra, Enik Puji Lestari, Sugiono, Aldis Ramadhan, Yosi Hirosiadi

Indonesian Petroleum Association

... Structure is mainly sensitive to gas effect. Based on integrated analysis of AVO gradient analysis, Fluid Replacement Modeling, AVO attribute analysis...

2016

Abstract: AVO Compliant Spectral Balancing; #90171 (2013)

Nirupama Nagarajappa and Jon Downton

Search and Discovery.com

... offsets alters the AVO and stretch relationships, thereby distorting the operator. To avoid this effect, we present an operator that averages over traces...

2013

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