Bayesian geophysical inversion with Gaussian process machine learning and trans-D Markov chain Monte Carlo

Anandaroop Ray, David Myer

Petroleum Exploration Society of Australia (PESA)

... and there are significant trade-offs between them. To address these limitations, we present a novel approach to earth model parametrization by using a Gaussian...

Abstract: Reservoir Management of Deepwater Reservoirs: How to Optimize Their Performance, by K. W. Bramlett and C. S. Lerch; #90923 (1999)

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Seismic Attribute Mapping in Carbonate Depositional Environment, Some Lessons from Case Studies; #41159 (2013)

F. Hong and E. Shipilova

Search and Discovery.com

... and illustrated in carbonate depositional environment, taking into account of course the limitations of seismic resolution and data quality. Seismic...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... resonant column device (Perbawa, 2021). The acoustic velocity log along the core was constructed by simply sorting measured velocity by core depth. We...

Simulation and inversion of deep-towed marine electrical resistivity survey data

Dikun Yang, Yuchao Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... and shallow offshore environmental and engineering problems, for which a fault model and a boulder model are tested with a water depth of 50 meters. Most towed...

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

..., the method of velocity model building must be tailored to the type of depth migration algorithm we intend to use. We nowadays commonly have available...

Imaging of multiwell and multifiber walkaway DAS-VSP datasets in a CCUS demonstration project onshore Japan

Yuji Yamada, Shotaro Nakayama, Takuji Mouri, Manish Lal Khaitan, Philip Armstrong, Olga Podgornova

International Meeting for Applied Geoscience and Energy (IMAGE)

... limitations, such as large obstructions and strict regulations in the area, DAS-VSP survey employed a complex pseudo-2D source geometry, which...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... time to depth domain by integrating the predicted velocity model. This pipeline is capable of predicting a velocity model suitable for input to FWI...

Application of Integrated Core and 3-D Image Rock Physics to Characterize Niobrara Chalk Properties Including Relative Permeability With Bound Water Effect

Alan P. Byrnes, Shawn Zhang, Lyn Canter, Mark Sonnenfeld

Unconventional Resources Technology Conference (URTEC)

... technologies, including Focused Ion Beam/Scanning Electron Microscopy (FIB/SEM), MicroComputed X-ray Tomography (µ-CT), and Computed Xray Tomography (CT...

Some Principles and Techniques Used in Reconstructing the Hydraulic Parameters of a Paleo-Flow Regime

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... the application of the principles of sediment transport mechanics. In environmental reconstruction the size of the bed material and the velocity and depth...

Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics

Eldad Haber, Eran Treister, Elliot Holtham

Petroleum Exploration Society of Australia (PESA)

... towards the global minimum. Key words: FWI, tomography, CSEM INTRODUCTION Full waveform inversion (FWI) is a process in which the velocity of the earth...

The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico

Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida

International Meeting for Applied Geoscience and Energy (IMAGE)

... multiple modeling, the SNR and resolution are highly improved, resulting in improved AVO reliability. Additionally, a more accurate velocity model...

AAPG Archie Series, No. 1, Chapter 13: Summary and Recommendations

Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia

AAPG Special Volumes

.... • The application of VLSA is relatively simple and quick. LIMITATIONS OF VLSA: • VLSA only provides interval-average solutions; no depth-by-depth log...

Working with Salt on 2-D Seismic Lines

New Orleans Geological Society

... handicap efforts to position overhangs and steep sides of salt domes. Synthetic seismic profiling may be useful in resolving these geometrical features...

Monte Carlo Simulation of Proppant Allocation in Multi-Cluster Stages Using Perforation Erosion Images

Alexei A. Savitski, Felix Todea, Somnath Mondal, Daria Spivakovska, Benjamin Lock, Patricio Fita

Unconventional Resources Technology Conference (URTEC)

... pilot in Vaca Muerta. There is some ambiguity about the relative importance of stimulation fluid and proppant (Weijers et al., 2019). However...

Career Management System, A Better Step to Succession Planning

Sri F. Tarmizi, Lina Lais

Indonesian Petroleum Association

.... They are responsible for being honest about the limitations of the organization as well as the opportunities in facing the employees demands and for informing...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

...° from a point at a depth of 1000 m. Velocity constant 2000 m/s. The non-normal reflection implied by an offset from source to receiver may involve...

Integration of Imaging Techniques over Multiple Scales, Samuel T. Best, Stephen O. Sears, Clinton S. Willson, #40658 (2010)

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AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... by the slow decrease in the velocity gradient with depth. The other class of abnormal pressure mechanisms is not associated with the compaction process...

Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data

Norman S. Neidell, Elio Poggiagliolmi

AAPG Special Volumes

... or more depending on depth of burial, regional velocity variation with depth, and specific characteristics of the effective seismic wavelet. This value...

Chart Migrations

Frank A. Roberts

Oklahoma City Geological Society

... increase with depth or a complex velocity curve which will probably vary throughout the survey and for which we have few, if any, measurements? Should...

Experimental Modeling of Role of Gravity and Lateral Shortening in Zagros Mountain Belt: Reply (1)

HEMIN KOYI

AAPG Bulletin

... of the complex real world. Nonetheless, despite the limitations raised by Kashfi (1990) (and many others clearly mentioned in my paper), the models...

Frontmatter - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Chapter 6  Sensitivity, Limitations, and Error Inherent...

Workstations Promise New Life for Geology

Ted Moon

GEO ExPro Magazine

... and interpretation tools, which include velocity and depth conversion applications. However, the software has been spec­ ifically targeted...

Fracture characterization from core and image log integration at Tengiz and Korolev fields, Kazakhstan

Ted Playton, Evan Earnest, Fermín Fernández-Ibáñez, Assem Bibolova, Dana Tolessin, Ilyas Tussupbayev, and Bagdat Toleubay

AAPG Bulletin

... the limitations and improving the accuracy of log-based fracture characterization and can be applied to other fields and reservoir settings. Borehole image (BHI...