Abstract: The Effect of Clay and Gas on the Elastic Properties of Sandstones (Paper 15)

Mark Sams, Martijn Andrea

Geological Society of Malaysia (GSM)

.... VariQus modelling techniques such as the self consistent method, KursterToksoz, differential effective medium modelling, Backus averaging and Voigt...

Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT

Peter Embree, John P. Burg, Milo M. Backus

AAPG Bulletin

...Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT Peter Embree, John P. Burg, Milo M. Backus 1963 1769 1769 47 9. (September...

Reflection Seismogram in a Solid Layered Earth: ABSTRACT

Milo M. Backus, Filho Nepomuceno, Jingzhong Cao

AAPG Bulletin

...Reflection Seismogram in a Solid Layered Earth: ABSTRACT Milo M. Backus, Filho Nepomuceno, Jingzhong Cao 1983 416 417 67 3. (March) Current...

Abstract: Rock Physics of Organic Shale and Its Implication; #90187 (2014)

Lev Vernik, Yulia Khadeeva, and Cris Tuttle

Search and Discovery.com

.... Main aspects of anisotropy are treated using both small scale core measurements and Backus modeling of end-member lithologies to demonstrate...

Geological Classification of Seismic-Inversion Data in the Doba Basin of Chad, #41899 (2016).

Carl Reine, Chris Szelewski, Chaminda Sandanayake

Search and Discovery.com

... as a cemented, five-mineral composition, based on mineralogy from x-ray diffraction analysis. Variable N:G were modelled through a Backus average...

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We first build an initial anisotropic velocity model using the Backus averaging. Then, we compare the accuracy of velocity models from...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... Coefficients of Plane Waves," Geophysical Prospects, Vol. 3, No. 4, pp. 381-387, 1955. (15) Backus (M.M.), Nepomucenmo (F.), and Cao (J-Z), "The Reflection...

Chapter Two: Color, Character and Zero-Phaseness

Alistair R. Brown

AAPG Special Volumes

... of Three-Dimensional Seismic Data (Seventh Edition), 2011 Backus, M. M., and R. L. Chen, 1975, Flat spot exploration: Geophysical Prospecting, v. 23...

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

... basis in the original volumetric data, and velocities and densities are properly averaged according to the Backus (1962) equations in blocked layers...

Understanding the Spatial Geological Heterogeneity of the Delaware Basin from Pre-Stack Seismic Inversion

Simon Payne, Andrew Lewis, Ben Hardy, Venkatesh Anantharamu, Iestyn Russell-Hughes

Unconventional Resources Technology Conference (URTEC)

... the calibration for the Bayesian pre-stack seismic inversion. A 16ft mode and Backus average filter were applied to up-scale the facies and elastic logs...

Well-Log-Based Assessment of Elastic Properties in Organic-Shale Formations

Alvaro Aranibar, Clotilde Chen Valdés, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... correlations based on acoustic-wave velocity measurements, (b) Backus average, (c) low-frequency rock behavior SCA, (d) highfrequency rock behavior...

Chapter Eight: Horizon and Formation Attributes

Alistair R. Brown

AAPG Special Volumes

... operates like a spatial smoothing filter but has the opposite effect; spatial differences or edges are accentuated regardless of orientation. Figure 8-19...

La Sísmica Multicomponente en Cuencas Subandinas: Hechos y Posibilidades [PAPER IN SPANISH] The Seismic Multicomponent in Sub-Andean Basins: Facts and Possibilities

Saúl Guevara, William Agudelo, Gabriel Alvarez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., de gran valor en exploración por la información que aporta respecto a las propiedades de las rocas y fluidos (Castagna y Backus, 1993). La práctica...

Integrating Rock Physics and Borehole Seismic to Understand the Elastic Changes Associated with CO2 Injections: a REAL-LIFE Example from Southwestern Wyoming

Gabriela D’Aubeterre

Unconventional Resources Technology Conference (URTEC)

... scenario was deemed negligible. The time-depth relationship from the ZVSP was used to convert the log information (in depth) to twoway-time. A 10ft Backus...

Abstract: Analysis of Finely Bedded Intervals in the Frontier Formation Using High Resolution Logs; #90301 (2017)

Steve Adams, Jesse Havens, Jeromy McChesney

Search and Discovery.com

... by the microimager is not generating a significant amount of mechanical anisotropy in comparison to the clay content. By applying Backus averaging...

Abstract: A Novel Approach to Reservoir Characterization Using Seismic Inversion, Rock Physics and Bayesian Classification Scheme, by Nader C. Dutta; #90077 (2008)

Search and Discovery.com

Three-Dimensional Seismic Reconstruction of the Anisotropic Tectonic Stress for Cap-Rock Integrity in the Athabasca Oil Sands, Alberta, Canada

Search and Discovery.com

ABSTRACT The Multi-scale, Multi-attribute (MA-MS) Calibration; A Methodology for Predicting Sub-seismic Scale Facies from Seismic Attributes, #90104 (2010)

Stright Lisa; Bernhardt Anne; Mukerji Tapan; Boucher Alexandre

Search and Discovery.com

... interpretations. The limitations of the MA‐MS prediction and its dependence upon the method of seismic attribute generation  (i.e., Backus average vs. forward...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... update. This is obtained using Backus averaging from available well logs.We applied this FWI workflow to a recent node survey acquired offshore Abu...

Chapter 8-part 2: Spectral Decomposition

Gregory A. Partyka, Michael D. Bush, Paul G. A. Garossino, Paul R. Gutowski

AAPG Special Volumes

... Bulletin, v. 73, p. 1397–1414. Castagna, J. P., and M. M. Backus, 1993, Offset-dependent reflectivity — theory and practice of AVO analysis: SEG...

Identification and Prediction of the High Heterogeneous Channel Sand in Southern Turgay Basin; #10515 (2013)

Yueying Hong, Hongmei Wang, Wenyuan Tian, and Aling Mo

Search and Discovery.com

... interpretation are: (1) Post-stack seismic processing: Apply structurally-oriented filtered technology to filter noise and improve the quality of seismic data...

Channel and Sandstone Body Geometry from 3D Seismic and Well Control in Widuri Field, Offshore SE Sumatra, Indonesia

D. C. Carter, J. Armon, W. E. Harmony, R. S. Himawan, P. Lukito, I. Syarkawi, P. C. Tonkin

Indonesian Petroleum Association

... and Review. In: Castagna, J.P. & Backus, M.M. (eds.), Offset-dependent reflectivity-theory and practice of AVO analysis. Investigations in Geophysics...

Rock-physics modelling for interpreting thin-bed effects on inverted elastic properties

Carl Reine

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Backus, 1962). Here we look at how the measurements from this equivalent layer may be interpreted to infer data about the reservoir layers of interest...

Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion

Colin Sayers, Lennert den Boer

Unconventional Resources Technology Conference (URTEC)

..., the western sub-basin of the Permian Basin. Also shown is the upscaled velocity obtained by Backus averaging (Backus, 1962), assuming an averaging length...

Life

K. O. Emery, Elazar Uchupi

AAPG Special Volumes

... movements and their close relation to the light intensity (Kampa and Boden, 1954; G. L. Clarke and Backus, 1956) indicated that the cause...