Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... by Fourier domain decomposition (Machado & Cunha, 2015). With these domain decomposition filtering, we use the good signal-to-noise components in the seismic...

Passive Seismic Monitoring and Integrated Geomechanical Analysis of a Tight-Sand Reservoir During Hydraulic-Fracture Treatment, Flowback and Production

David Eaton, Mirko van der Baan, Larry Matthews, Enrico Caffagni

Unconventional Resources Technology Conference (URTEC)

... types appear to correlate with surface noise, including a disel generator that operated at the observation well pad during the first month of recording...

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... demonstrated its advantages over acoustic FWI to sharpen velocity interfaces and improve the signal-to-noise ratio and event continuity of the corresponding FWI...

SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Summary and Conclusions

Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver

AAPG Special Volumes

... for station 504 (Line 5) in the eastern Piedmont near Crawfordville, Georgia. Note that the noise on the northwest part of this record masks the first...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

... and the linear scheme for equating them to gray levels in the digital photo are used here simply for illustrative purposes. Other densities and more sophisticated...

Machine learning applications to seismic structural interpretation: Philosophy, progress, pitfalls, and potential

Kellen L. Gunderson, Zhao Zhang, Barton Payne, Shuxing Cheng, Ziyu Jiang, and Atlas Wang

AAPG Bulletin

...-like geometries are actually significant—some may be too small to be of economic value, result from seismic noise, or be in a nonreservoir facies. (6...

Application of Precise Acoustic Positioning Techniques During the Development of the Liuhua Field in the South China Sea

John D. Hughes, Nigel C. Kelland

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Noise in Test Tanks’ - Journal of International Underwater Systems Design, Vol 18, No. 4 August 1996. 3. N. C. Kelland and L. D. Forster: ‘Precision...

Recent Relative Sea-Level Change in Eastern North America

Barbara V. Braatz, David G. Aubrey

Special Publications of SEPM

... at Churchill are not coherent (in time) with the rest of the east coast data. A residual rate of RSL rise at Churchill, however, determined using linear...

Revealing the subsalt in Garden Banks with a sparsely-shot TPS OBN and FWI

Michael Merritt, Guido Baeten, Vishram Rambaran, Karen Godfrey, Kevin Bianchini, Tara Brothers, Frederic Chelminski, Alex Hao, Huawei Gao, Yingxue Su, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... by offsets up to 15 km and poor low-frequency (LF) signal-to-noise ratio (S/N), has not proven effective on its own for subsalt velocity model building...

Ginger - a little spice on the shelf: supra-slump stratigraphic trapping in the Barrow Sub-basin

Steve Moss, Margarita Kongawoin, Richard Harmer, Michael Isherwood

Petroleum Exploration Society of Australia (PESA)

...). Processing included shot deblending, linear noise attenuation, broadband deghosting and various demultiple techniques. The latter included 3D shallow...

Field Trips in a Virtual World

Carol Hopkins

GEO ExPro Magazine

... measure for scale, augmented by a linear measuring tool. A video flypast is also available. The Challenges There are numerous VR field trips available...

Generating a New Approach for Continuous Reservoir Model Updating: Non-Gaussian Priors & Nonlinear Data Functions in EnKF (Paper P17)

S. Forghany, A. A. Asgari, T. Behrouz

Geological Society of Malaysia (GSM)

... the challenges nowadays are many. First, a coherent view of the geomodel requires updating the simulation decks in ways consistent with geological...

ABSTRACT: Use of Pre-Stack Seismic Inversion and Post-Stack 3D Seismic Attributes to Predict and Improve Natural Gas Production in the Mississippian Fayetteville Shale, Arkoma Basin, Arkansas; #90122 (2011)

Yves Simon, Frederic Gallice, John Jeffers, Flemming Mengel, Vasili Kuznetsov, Steve Kumbalek, and Alan Clemens

Search and Discovery.com

..., Kumbalek and Clemens SMALL EUR LARGE EUR Fig. 1: Prospective map of normalized EUR, based on validated linear multi-regression of four seismic...

Building an Appropriate Dynamic Model of a Structurally Complex, Naturally Fractured Foothills Field for Field Development Planning; #20292 (2015)

Ben Stephenson, Lynne Drover, Irma Eggenkamp, Martin Kraemer, David Repol, Warren Griswold, Alula Damte

Search and Discovery.com

...-appropriate representation of the porosity distribution, 3D fault geometries and the natural fracture system, and facilitated a coherent strategy for field...

Application of Machine Learning Methods to Assess Progressive Cavity Pumps (PCPs) Performance in Coal Seam Gas (CSG) Wells

Fahd Saghir, M. E. Gonzalez Perdomo, Peter Behrenbruch

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of Convolutional Auto Encoders (CAE) and Hierarchical Density-Based Spatial Clustering of Applications with Noise (HDBSCAN) methodologies to characterise...

GEO 2012 The 10th Middle East Geosciences Conference and Exhibition, 4-7 March 2012, Manama, Bahrain; - Abstracts, #90141 (2012).

Search and Discovery.com

Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)

Marcus R. Wilson and Robert J. Ferguson

Search and Discovery.com

... to an acceptable solution. The transformed phase shift operator QΔz defined in Equation 8 is much better conditioned, so we can solve the linear...

Handling high-resolution borehole dips in a reservoir implicit structural modeling workflow

A. P. Ossere Ebindza, J. Renaudeau, S. Xue, L. H. Liew

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the linear system that we must solve when computing the implicit model, introducing potentially conflicting constraints into the system. To handle...

Structure of the Marin Headlands Block, California: A Progress Report

Clyde Wahrhaftig

Pacific Section SEPM

...-S, is a coherent Franciscan terrane composed of approximately ten S to SW-dipping stacked slices of Mesozoic ocean floor. Individual slices are 300-500 m...

Abstract: Development of Continental-Slope Basins Along Convergence Zone Off South America, by Stephen H. Johnson, L. D. Kulm; #90968 (1977).

Search and Discovery.com

Abstract: Deformation mechanism transitions in the Cobequid fault zone, Nova Scotia

J. C. White

Atlantic Geology

... displacements are accommodated by discrete fractures, coherent semi-brittle processes, and penetrative ductile flow. Variations in the deformation...

Abstract: How are rocks stuck together in waterless environments?

Kathryn A. MacCarthy, Graham Ryder, John G. Spray

Atlantic Geology

... of many different rock types bonded together with in a coherent way. Through the examination of eight lunar breccias composed of varying lithologies...

Development of Continental Slope Basins Along the Convergence Zone Off South America

Stephen H. Johnson, L. D. Kulm

AAPG Special Volumes

... to the margin. The shallow dipping (10-15°) oceanic slab extends tens of kilometers beneath the continental slope as a coherent, but often faulted feature...

ABSTRACT: Prudhoe Bay Western Peripheral Development Using Three-Dimensional Seismic: Case Study, by Chuck G. Guderjahn; #91030 (2010)

Search and Discovery.com

Multichannel Measurements Over a Possible Gas-Bearing Structure Near Cay Sal, Bahamas: ABSTRACT

Mahlon M. Ball, Ray G. Martin, Wayne D. Bock

AAPG Bulletin

... of this structure, in Santaren Channel, coherent reflections occur throughout our 5-sec record. Depth at 5 sec is approximately 10 km. South of the anticline...