ABSTRACT Field Cases of the Combined Deterministic Petrophysical Inversion of Gamma-Ray, Density, and Resistivity Logs Acquired in Thinly Bedded Clastic Rock Formations, #90104 (2010)

Sanchez-Ramirez Jorge A.; Torres-Verdin Carlos; Wang Gong L.; Mendoza Alberto; Wolf David; Liu Zhipeng; Schell Gabriela

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...  resistivity and density logs to improve the petrophysical assessment of multi‐layer reservoirs. In this paper, we include the inversion of gamma‐ray...

Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015)

Olivia Collet, Benjamin Roure, Jon Downton

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...Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015) Olivia Collet, Benjamin...

ABSTRACT: Velocity-Depth Model Estimation for a Subsalt Target from the Southern Gas Basin of the North Sea, by Oz Yilmaz, Jeff Rutledge, Ottar Sandvin, and Bob Godfrey; #91019 (1996)

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Rethinking Brittleness — How Viscoplastic Stress Relaxation Affects Layer-to-Layer Stress Variations and Vertical Hydraulic Fracture Propagation in Unconventional Reservoirs

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Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... is an effective magnitude. To overcome this, a “layer-by-layer” inversion was implemented. Processing sequence was revisited to ensure the preservation...

Abstract: A Tool to Interpret High-Density Turbidity Current Processes from High-Density Turbidite Lithofacies, by Cartigny, Matthieu; Eggenhuisen, Joris T.; Postma, George; #90163 (2013)

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Field Cases of the Combined Deterministic Petrophysical Inversion of Gamma-Ray, Density, and Resistivity Logs Acquired in Thinly Bedded Clastic Rock Formations; #110123 (2010)

Jorge A. Sanchez-Ramirez, Carlos Torres-Verdin, Gong L. Wang, Alberto, David Wolf, Zhipeng Liu, Gabriela Schell

Search and Discovery.com

...-layer reservoirs. In this article, we include the inversion of gamma-ray (GR) logs in the interpretation method and evaluate three field cases...

Maximizing Recoverable Reserves in Tight Reservoirs Using Geostatistical Inversion From 3-D Seismic: A Powder River Basin Case Study

Haihong Wang, Howard J. Titchmarsh, Kevin Chesser, Jeff Zawila, Samuel Fluckiger, Gary Hughes, Preston, Kerr, Andrew Hennes, Michael Hofmann

Unconventional Resources Technology Conference (URTEC)

... and log data. URTeC: 2153909 5 The second phase involved detailed reinterpretation of the horizons performed on layer-based simultaneous inversion...

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... velocity variations prohibits analytic or linear inversion methods to delineate the near-surface model. Additionally, the nonhyperbolic moveout behavior...

Exploiting non-uniqueness: Improving inversion results by post-processing

James Brewster

International Meeting for Applied Geoscience and Energy (IMAGE)

...Exploiting non-uniqueness: Improving inversion results by post-processing James Brewster Exploiting Non-Uniqueness Exploiting Non-Uniqueness...

A Tool to Interpret High-Density Turbidity Current Processes from High-Density Turbidite Lithofacies; #50909 (2014)

Matthieu Cartigny, Joris T. Eggenhuisen, and George Postma

Search and Discovery.com

... observations and quantifications of experimental high-density turbidity currents to construct an interpretative tool that can be used for inversion of HDTC...

Marchenko redatuming and seismic interferometry based internal multiple prediction for salt structures

Zhiwei Gu, Jianhua Geng, Ru-Shan Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... a modified method based on the Gel’fand-Levitan-Marchenko equation. We present a layer-by-layer adaptive subtraction scheme for the IMP to obtain...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

... inversion and the model is advanced to the next layer. CRP ray tracing is used instead of the more common CMP or commonreceiver method. The CRP ray...

Building Better Models: Toward Complete Integration of Well-Log Data Interpretation with 3D Reservoir Models, #40919 (2012)

Valery Polyakov, Dzevat Omeragic, R. Kocian, Sushil Shetty, Benoit Brot, Tarek Habashy, Arathi Mahesh, Torsten Friedel, Torbjoern Vik, Tor Livar Flugsrud

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... and inversion algorithms Interpretation  Multi-measurements integration  Integration with reservoir geomodel Physics-based log modeling is a must! 3D...

Multi-Well Interpretation of Wireline Logs and Core Data in the Eagle Ford Shale using Bayesian Inversion

Tianqi Deng, Joaquín Ambía, Carlos Torres-Verdín

Unconventional Resources Technology Conference (URTEC)

..., resistivity etc.), and (2) joint inversion of the estimated layer-by-layer properties to quantify porosity, TOC (total organic carbon), and solid/fluid...

Abstract: Taphonomy and Microevolution of the Cape Phillips Formation Graptolite Fauna, Cornwallis Island, Northwest Territories, by J. C. Russel; #90931 (1998).

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Abstract: Anisotropic Frequency-Dependent Spreading of Seismic Waves from VSP Data Analysis; #90174 (2014)

Amin Baharvand Ahmadi and Igor Morozov

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... first-arrivals amplitudes in a multi-offset VSP dataset. The inversion reveals variations of geometrical attenuation (wavefront curvatures...

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... with a significant velocity inversion below the Miocene that is associated with a change from the thick Yawee carbonate back to siliciclastic sediments...

A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).

Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam

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... the picked layer, which helps the convergence of the inversion, even though we allow the tomography to change both the velocity in the picked layer...

Unconventional Approach to Estimate Permeability of Thin Beds in a Carbonate Reservoir with Vertical Interference Testing, #41834 (2016).

Christophe Bassem Maalouf, Salem Al Jaberi, Irina Baca Espinoza, F.Elarouci, S. Smith, H.Khairy

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... of permeability across heterogeneous layer-cake reservoirs is challenging. For such cases, pressure-transient-analysis interpretation from well testing...

Abstract: Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations

Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... subsurface layer and the layer's thickness. Similarly for d.c. geoelectrical soundings, the depth factor, a ratio of depth penetration to the spacing...

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the difference between the modeled and the actual traveltimes, measured as the rms error in inversion, has been reduced to a sufficiently small value comparable...

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

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... the main velocity boundaries and used a layer stripping approach (manual tomography) to build the anisotropic (TTI) velocity model. The differences between...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... (1997), multi-layer sandstone reservoirs were deposited during this period. An upper Miocene-Pliocene tectonic event triggered the inversion...

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 2: Modeling Thermal Histories: How Important Are Thermal Conductivity Data?

Gallagher, K.

AAPG Special Volumes

... inversion of geochemical data: The smoothest model approach: Geophysical Journal International, v. 109, p. 7895.Gallagher, K., M. Ramsdale, L. Longergan...