Abstract: Characterizing Dipping Fractures from P-wave Amplitude Versus Azimuth Studies; #90187 (2014)

Jon Downton and Hampson Russell

Search and Discovery.com

... [email protected] Summary This paper investigates the influence of fracture dip on P-wave Amplitude versus Azimuth (AVAz) reflectivity...

Understanding Acoustic Responses in Horizontal Wells: Tools, Techniques, and Lessons Learned

Alexei Bolshakov, Sergio Sarmiento, Haijing Wang, Kris Walker, Mason Edwards, Ricardo Freitas

Unconventional Resources Technology Conference (URTEC)

... Stoneley mode reflectivity, which has greater sensitivity at lower Stoneley frequencies (Tang et al., 2011). In the next section, we will use the following...

Deblurring migration images with point spread function filter

Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

...) where d represents the seismic modeling data, m is the reflectivity model, and L is the modeling operator associated with a specific acquisition...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflectivity or an impedance model, hereafter referred to as reflectivity or impedance. The model updates are computed by the backprojection of the data residual...

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

... Dependent Reflectivity - Theory and Practice of AVO Analysis, Society of Exploration Geophysicists, Investigations in Geophysics Series, Vol. 8, 3-36...

ABSTRACT: Variations in Vitrinite Reflectance with Organic Facies-Examples from Pennsylvanian Cyclothems of the Midcontinent, U.S.A.

Lloyd M. Wenger, Donald R. Baker

The Society for Organic Petrology (TSOP)

...., Oklahoma and the Excello interval (0.42-0.49%) from Martindell no. 52, Greenwood Co., Kansas suggest that reflectivity has been relatively suppressed...

Abstract: Broadband Marine Seismic … Breaking the Limits (Geophysics Paper 20)

Robert Soubaras, Carl Notfors

Geological Society of Malaysia (GSM)

... reflectivity, i.e. the reflectivity that would be obtained should the water surface be non-reflecting. The principle of this method is to perform a standard...

Deep Seismic Exploration of the South Caspian Basin: Lithosphere-Scale Imaging of the World's Deepest Basin

James H. Knapp, Camelia C. D. Knapp, John A. Connor, John H. McBride, Mike D. Simmons

AAPG Special Volumes

... to about 3438 km (2123 mi; 1616.5 s), with discernible lower frequency reflections; and (4) a noticeable decrease in reflectivity below approximately...

ABSTRACT: Seismic detection of faults and fractures; #90136 (2011)

Santinder Chopra

Search and Discovery.com

... decomposition-based inversion for seismic reflectivity, a process that removes the time-variant wavelet from the seismic data and extracts the reflectivity...

Abstract: Case Studies Highlighting Tight Sand Reservoir Characterization from the Interpretation of AVO - Inversion Techniques; #90174 (2014)

Lynn A. Engel and Carmen C. Dumitrescu

Search and Discovery.com

... reflectivity, were compared with the prestack inversion volumes. This inversion analysis used low-frequency models (for P- and S-wave impedance and density...

ABSTRACT: Capturing Bulk Rock Volume (BRV) Uncertainty - A workflow incorporating seismic (pre-stack and post stack data) and well data

Abigail Maxwell

Geological Society of Trinidad & Tobago

... and the products created during the processing such as pre-stack data, the velocity model, gamma and reflectivity volumes. Data quality control is an important...

Estimation of Gas Reservoir Boundary by AVO Analysis

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

Southeast Asia Petroleum Exploration Society (SEAPEX)

... ) 2 } S i n 2 ϕ + [ 1 2 Δ α α ] [ tan 2   ϕ − S i n 2   ϕ ] Where: R(θ) = reflectivity...

ABSTRACT: Integrating Sequence Stratigraphy and Seismic Attributes for Quantitative Reservoir Characterization: A Case Study of a Pliocene Reservoir, Campeche Sound, Mexico

Efrain Méndez-Hernández, Jesús García-Hernández, Carlos Bahamon, Roger Slatt

GCAGS Transactions

... detection. Seismic inversion for reflectivity allowed better identification of key stratigraphic surfaces. Modeled type-I amplitude versus offset (AVO...

Abstract: Sand or gravel waves and mass failures generated by the 1929 Grand Banks earthquakes: a SeaMARC I survey

D. J. W. Piper, A. Shor, J. Farre

Atlantic Geology

... the wave field are "streaks" with low acoustic reflectivity that are I00-500m wide and up to 25 km long and parallel the valley trend. The streaks...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... directions of azimuthal anisotropy caused by the coal’s fracturing system. Two modeling techniques (using ray tracing and reflectivity methods) predict...

Abstract: Interpretation of Unenhanced LANDSAT Imagery for Wetland and Land-Use Delineation in Texas Coastal Zone, by Robert J. Finley; #90975 (1976).

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Abstract: Borehole Acoustical Reflectivity Surveys, Case Studies for Unconventional Resources

Brian Reynolds

West Texas Geological Society

...Abstract: Borehole Acoustical Reflectivity Surveys, Case Studies for Unconventional Resources Brian Reynolds 2013 85 86 Borehole Acoustical...

Abstract: Geologic Interpretation of Color Displays of Complex Seismic Trace, by R. E. Sheriff, M. T. Taner, D. Frye, F. Koehler; #90968 (1977).

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Abstract: Repetitions in the Kennetcook basin --- structural or stratigraphic? Implications of field and seismic investigations in the Cheverie-Walton area, Nova Scotia

John W. F. Waldron, Paul A. MacKay

Atlantic Geology

... the base-Windsor Macumber Fonnation. Deeper in the section, a northwardthickening package showing moderate reflectivity is interpreted as a half...

ABSTRACT: Porosity and Formation Pressure Prediction from Seismic Data, by Ruben D. Martinez; #91043 (2011)

Search and Discovery.com

ABSTRACT: Long-Range Side-Scan Sonar Survey of Eastern Gulf of Mexico, by D. C. Twichell, L. M. Parson, P. C. Valentine, and C. E. Paull; #91043 (2011)

Search and Discovery.com

Abstract: Integrated Reservoir Characterisation Cakerawala Field-Block A-18, MTJDA (Paper 12)

Kenny Goh, Sonny Lim H. B., Amiruzan Apandi

Geological Society of Malaysia (GSM)

... evaluation of the Field wells. These were then calibrated to selected seismic reflectivity attributes and acoustic impedance. Geostatical modelling...

Abstract: Shale Chaser - A Seismic Inversion Method to Determine the Presence of Shale Barriers for Reserves Computation Considerations. (Paper 6)

Vincent W. T. Kong, Jimmy C. S. Ting

Geological Society of Malaysia (GSM)

...-stacks available. The normal full-stack seismic data, in the form of either the reflectivity or the compressional (P) acoustic impedance were unable...

Abstract: Using Acoustic Impedance Data for Tabu Field Subsurface Mapping and Reservoir Characterization (Poster 14)

Fariz Fahmi, Yue Choong Lye, Azlina Ahmad Termizi, Dave Walley, Aniza Yaakob

Geological Society of Malaysia (GSM)

... is a process of generating an acoustic impedance volume from the seismic reflection data. It has several advantages over a seismic reflectivity volume...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... at frequencies near or below the noise threshold of the data. The periodicity of layer reflectivity within the input spectrum enables prediction of its behavior...