Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... reflection angles are retained in processing for studies such as amplitude variation with offset (AVO) and depth conversion velocity analysis. Anisotropic...

Seismic Inversion for Hydrocarbon Screening: Mahakam Case Study

Hilfan Khairy, Didiek B. Prabowo, Cepi Adam

Indonesian Petroleum Association

... to enchasing shale or giving negative rising amplitude with offset as typically shown in AVO sand Class-III type. The evolution of Mahakam’s petroelastic...

Benefits of Reduced Bin Size*, by Satinder Chopra and Kurt J. Marfurt; #41238 (2013).

Search and Discovery.com

The Prospectivity of the Late Triassic Intervals in the Outboard Exmouth Plateau, Western Australia

Tom Paten

Australian Petroleum Production & Exploration Association (APPEA) Journal

... structures and the underlying Mungaroo target intervals. The modern broadband dataset also allowed the generation of amplitude versus offset (AVO...

Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data

Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... in order to develop the efficiency of the reservoir. Based on the research before, P-Wave AVOA (amplitude variation with offset and azimuth) can be used...

ABSTRACT: The Accumulation and Seismic Identification Methods of Shallow Gases; #90134 (2011)

Guoping Zuo and Guozhang Fan

Search and Discovery.com

.... If the reservoir contains gas, in AVO method, the amplitude enhances fast with the increasing offset in gathers, therefore, the amplitude of far offset stack...

Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale

Un Young Lim, Richard L. Gibson Jr., Nurul Kabir

Unconventional Resources Technology Conference (URTEC)

... sweet spots and locations for effective hydraulic fracturing. Amplitude Variation with Offset (AVO) inversion may make important contributions...

Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration

Konstantin Galybin, Anastasia Poole, Michael Giles

Petroleum Exploration Society of Australia (PESA)

... to an unconventional reservoir to link it with surface seismic azimuthal Amplitude Versus Offset (AVOaz) inversion. ASEG-PESA-AIG 2016 475 August...

Petrophysics and Rock Physics Modeling to Improve Seismic Reservoir Characterization „ Case Study of Lower Hackberry Sandstone; #40774 (2011)

Robert Y. Hu, Ted Holden, and Mary Broussard

Search and Discovery.com

... seismic traces from the combinations of overlying shale and fluid types. Further study involved AVO(Amplitude vs. Offset) attribute analysis to estimate...

A Clearer Vision with Seismic Inversion

Christian Ellis, Abbie Morrison, Niall Mark, Heather Poore, Jim Jordan, Mark Pay, Frederik Horn, Henrik Juhl Hansen

GEO ExPro Magazine

... amplitude variation with offset (AVO) response (for direct hydrocarbon indication for example) is not already captured and hidden within the wiggles...

Abstract: Seismic Stratigraphic Analysis and Hydrocarbon Potential of the Late Miocene Submarine Canyons in the Southwestern Margin of the Ulleung Basin, East Sea; #90255 (2017)

Moohee Kang, Minwoo Lee, Myong-Ho Park

Search and Discovery.com

... accumulation. Within the trap can be seen a flat spot reflector and negative amplitude reflectors having AVO (amplitude variation with offset...

Abstract: Seismic Technologies for Unconventional Reservoir Characterization: Wamsutter Field Case Study, by Rosemarie T. Geetan, Brian Hornby, and Ricko Wardhana; #90124 (2011)

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EXTENDED ABSTRACT: Devils Tower Area: Rationalization of Geophysical Subtleties with Geologic Concepts Provides Basis for Successful Drilling Program

Wieg, Paul K. and Fingleton, W. George

GCAGS Transactions

... was discovered using amplitude mapping of full-stack, 3-D seismic data. Petrophysical analysis confirmed sands as having "class 3" AVO response...

Abstracts: Quantitative Geomodelling with Qualitative Inputs: Optimizing a Waterflood and Reversing Production Decline; #90173 (2015)

D. I. Close, M. Slikas

Search and Discovery.com

... with offset (AVO) inversion was tested. AAPG Search and Discovery Article #90173 CSPG/CSEG/CWLS GeoConvention 2011, Calgary, Alberta, Canada, May 9-11, 2011...

Abstract: Seismic Reservoir Characterization of a Gas Shale Utilizing Azimuthal Data Processing, Pre-Stack Seismic Inversion and Ant Tracking

David Paddock, Christian Stolte, Lei Zhang, Javaid Durrani, John Young, and Thomas Hay

Houston Geological Society Bulletin

... velocity analysis and Ant Tracking results. Simultaneous amplitude versus offset (AVO) inversion was done on prestack data to invert for acoustic impedance...

Atwater Valley 118 #1

Alec Bray

Houston Geological Society

... Miocene sands were hydrocarbon bearing. Seismic facies analysis suggested good to excellent quality amalgamated sheet turbidite sands. Amplitude fit...

Abstract: Full Anelliptic Time Processing (Paper 7)

Charles Zeltser

Geological Society of Malaysia (GSM)

... processing improves focusing at far offsets and of steep dips, results in meaningful interval velocities, improves amplitude preservation for AVO products...

Abstract: Nyk High, the First Deepwater Well in Norway, by R. R. Hollingsworth, E. K. Hansen, R. F. Marten, and J. E. Kittilsen; #90942 (1997).

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ABSTRACT: Integrated Fractured Reservoir Characterization with Multiple Attributes and Forward Modeling; #90013 (2003)

Lin Deng, Feng Shen

Search and Discovery.com

... for amplitude ellipse analysis and S-wave impedance is used to calibrate the fracture intensity. Other seismic attributes, seismic energy, frequency...

Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation

Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

... difficult to image and characterize with near offset dominated seismic data. However, if these sands happen to have a desired amplitude versus offset (AVO...

Reservoir Characteristics of Donggi Field, Central Sulawesi, Using Inversion and AVO Analysis Methods

Dede Suherman, M. Aris Isnandar, Syaiful Damuar, Artini Sukotjo, Suprapto Soemardan

Indonesian Petroleum Association

... that on the surface. A porosity distribution map is displayed in Figure 7. AVO (Amplitude Variation with Offset) Amplitude variation with offset (AVO...

Abstract: AVO Theory for Large Contrast Elastic and Anelastic Targets in Pre-Critical Regimes; #90187 (2014)

Kris Innanen

Search and Discovery.com

.... P. and M. Backus, 1993, Offset-dependent reflectivity: theory and practice of AVO analysis: SEG. AAPG Search and Discovery Article #90187 © CSPG...

P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field

Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang

Indonesian Petroleum Association

.... Interpreting forward modeling analysis results, we observe AVO characters of different azimuth at the basement top: amplitude increases...

Abstract: Deepwater Nigeria OPL-213: An Exploration Risk Reduction Approach Using Integrated Geoscience Technologies

R. K. Saver, David L. Connolly, Arnaud G. Pichon, and Raymond J. Fontenot

Houston Geological Society Bulletin

... Class III AVO anomalies correspond to L. Miocene to U. Oligocene channel-levee and slope fan reservoir objectives. Aparo Prospect is a stratigraphic...

Abstract: A Framework for Time-Lapse AVO when Contrasts are Large; #90187 (2014)

Shahin Jabbari and Kris Innanen

Search and Discovery.com

... of Calgary, Calgary, Alberta, Canada Summary We apply perturbation theory in a treatment of the time-lapse amplitude-variation-with-offset (AVO...