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Showing 25,148 Results. Searched 201,044 documents.
Abstract: A Tour of High Resolution Transforms; #90171 (2013)
Mauricio D. Sacchi
Search and Discovery.com
...; Thorson and Claerbout, 1985). The seismic data reconstruction problem has also been tackled with the aforementioned framework. In this case L indicates...
2013
Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)
Amsalu Y. Anagaw, Mauricio D. Sacchi
Search and Discovery.com
... frequency data or simultaneously (Pratt et al., 1998; Sirgue and Pratt, 2004; Hu et al., 2009; Virieux and Operto, 2009). The forward problem for FWI...
2015
Inference to the Best Geologic Explanation and Error Types in Reservoir Characterization and Modeling, #40438 (2009)
Y. Zee Ma and Ernie Gomez
Search and Discovery.com
... and modeling almost always faces a problem of lack of data, as core and well-log data are limited. This problem, while serious, can be often mitigated...
2009
Pore Throat Controlling Liquid Yield in Shale Mismatch Between Dry Produced Gas at Surface and Wet Gas or Condensate in the Reservoir; #80541 (2016)
Jean-Yves D. Chatellier, Renee Perez
Search and Discovery.com
... between the isojar and isotube phase envelopes being linked to a larger molecule retention problem. Such a combined sample analysis, after calibration...
2016
The New Method of the Sweet Spot Discrimination and Predictive Production in North American Shale Oil, #41991 (2017).
Chuncheng Liu
Search and Discovery.com
... quantitative evaluation problem in North American shale, a kerogen-corrected logging model has been used, and the core technology and flowchart of reservoir...
2017
Applications of Artificial Intelligence in Log Analysis: Chapter 7
John H. Doveton
AAPG Special Volumes
... be looked upon as a deductive system in which external logic is brought to bear on the solution of a problem. The co nectionist model is inductive...
1994
Application of Artificial Intelligence on Black Shale Lithofacies Prediction in Marcellus Shale, Appalachian Basin
Guochang Wang, Yiwen Ju, Timothy R. Carr, Chaofeng Li, Guojian Cheng
Unconventional Resources Technology Conference (URTEC)
... (a) and PNS logs (b) in ternary plot. URTeC 1935021 3 Shale lithofacies recognition is a typical supervised multi-class classification problem...
2014
Efficient Bayesian full-waveform inversion using a deep convolutional autoencoder prior
Shuhua Hu, Mrinal K Sen, Zeyu Zhao, Abdelrahman Elmeliegy, Shuo Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... University INTRODUCTION As a large-scale inverse problem, full waveform inversion (FWI) (Lailly et al., 1983; Tarantola, 1984) can be formulated...
2024
A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification
Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the high-dimensionality of the inverse problem, MCMCbased Bayesian FWI is facing with issues in computing efficiency. To tackle this problem, we...
2024
Core Orientation by Graphical and Mathematical Methods
Hugh McClellan
AAPG Bulletin
... for the true dip, one of which must be selected on the basis of geological probability. The problem of finding the true strike and dip from a core taken...
1948
Heaving-Bedrock Hazards, Mitigation, and Land-Use Policy: Front Range Piedmont, Colorado
David C. Noe
Environmental Geosciences (DEG)
... and describes the technological and policy advances that have been made in recent years to promote understanding and effectively mitigate the problem...
1997
The Relation Between Porosity, Permeability, and Porous Geometry in Reservoir Rock
Kimball L. Hamberger
Oklahoma City Geological Society
... data on the problem. MATERIAL AND EXPERIMENTAL PROCEDURES For this problem ten small cores of varying lithology were obtained from the Magnolia...
1961
Cyclic CO2 Enhanced Oil Recovery in Wyoming Cretaceous Fields
Leta K. Smith, Ronald C. Surdam
Wyoming Geological Association
... Creek field. Confinement may also have been a problem at Cole Creek field, where there is an extensive fracture network, but production data were...
1992
Recent Trends in Geological-Geophysical Exploration and Methods of Improving Use of Geophysical Data
R. Clare Coffin
AAPG Bulletin
.... The problem invites discussion n t possible in this paper. An examination of our geological and geophysical expenditures will focus attention on that part...
1946
New Observations on the Stratigraphy of Key Permian Sections of West Texas
John M. Cys
West Texas Geological Society
... difficult one concerns the Cutoff Formation. Wilde and Todd (1968) Give a detailed discussion of the problem and their correlation of the Cutoff and related...
1975
Offshore Positioning Systems: The Human Interface
D. F. Haines
Southeast Asia Petroleum Exploration Society (SEAPEX)
... as the problem of accurately determining the position of a mobile vessel. “Accurately” means to within a few metres and “mobile vessel” means anything from...
1980
Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising
Nanying Lan, Kaiheng Sang, Fanchang Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and Fanchang Zhang, China University of Petroleum (East china) Summary Seismic data reconstruction (SDR) is a highly ill-posed inverse problem...
2022
ADMM-based full-waveform inversion of ground-penetrating radar data
A. Jalali, H. S. Aghamiry, A. Gholami
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the inversion to the initial model and also flexibility to remedy the illposedness of the problem by injecting prior information into the inversion...
2022
Alternative Strategies for Modelling Complex Structures
Stephen Tyson
Indonesian Petroleum Association
... of listric faults. As shown in Figure 2. The requirements of columns of cells and the associated problem of fault definition using pillars prevents...
2008
Anomaly Detector Tool Integrating Traditional Casing Collar Locator with Innovative Algorithm for Early Casing Anomaly Identification
Lucrecia Gava, Lucas Goñi, Pablo Nachef, Juan Carlos Bonapace
Unconventional Resources Technology Conference (URTEC)
... of the problem, we will refer as casing deformation (CD). Vaca Muerta Experiences From the beginning of the exploration phase in the Vaca Muerta (VM...
2023
Refraction Statics, A Comparison Among Processing Contractors
Bambang Sudewo
Indonesian Petroleum Association
..., refraction statics are necessary to rectify the problem. Inadequacy of the field statics could be due to various field conditions such as shot-depth, fast...
1985
Understanding Drilling Hazards Through the Use LWD Resistivity Case Study: Resistivity Inversion
Adjie Setiawan, Sigit Sulistyo
Indonesian Petroleum Association
... the reservoir. It is better to analyze a problem based on identifying the cause rather than just drilling by parameters only. INTRODUCTION Pertamina...
2012
Dual Function Corrosion/Scale Inhibitor Testing in the Minas Field, Sumatra
F. S. Sembiring, Istiyarso, Julie D. Krause
Indonesian Petroleum Association
... problem was calcium carbonate scaling which was treated with a phosphonate scale inhibitor. Map 1. PERTAMINA Caltex Pacific Indonesia Contract Area...
1990
Calculating sensitivities for 3D inversion of electromagnetic well logging data
Cícero Régis, Paulo Roberto de Carvalho
International Meeting for Applied Geoscience and Energy (IMAGE)
... phases for the same matrix factorization performed for the forward problem in the inversion iteration. A validation example is presented with a model...
2023
SCC Failure of 20" Condensate Pipeline
V. A. W. Semerad, H. Sutanto
Indonesian Petroleum Association
... 13, Corrosion, p. 165. The problem condensate pipeline was API 5L X-60 grade steel pipe with 20 inch outside diameter (OD) and 0.344 inch nominal...
1993