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The AAPG/Datapages Combined Publications Database
Showing 1,734 Results. Searched 195,405 documents.
Geotechnical Applications in Soft Sediments: Section 2
Wayne A. Dunlap
AAPG Special Volumes
.... A. (1968). On a Thermodynamic Constitutive Theory and Its Application to Various Nonlinear Materials, Proceedings, Int. Union of Theor. and Applied...
1981
U.S. Geological Survey Estimation Procedure for Accumulation Size Distributions by Play
J. C. Houghton , G. L. Dolton , R. F. Mast , C. D. Masters , D. H. Root
AAPG Bulletin
... this exploration process is displayed graphically in Figure 2. In this graph, the scales on both axes are nonlinear: the scales are stretched in such a way...
1993
Biological Remediation of Environmentally Contaminated Water
Ian Lerche, Walter Glaesser, Gerhard Strauch
Environmental Geosciences (DEG)
... nonlinear equations 1 and 4 are to be solved subject to the conditions N = N0 and c = c0 on z = 0, and with the ingoing flux of contaminant on z = 0...
2002
Identification of vehicles from seismic signals using machine learning
Xiaoxuan Zhu, Ji Zhang, Jie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the challenge of diminishing or exploding gradients. The key principle behind LSTM network design lies in incorporating nonlinear, datadependent control...
2023
WEIGHTED CONTACT PACKING - IMPROVED FORMULA FOR GRAIN PACKING OF QUARTZ ARENITES
John D. Hoholick, thomas A. Metarko, Paul E. Potter
Rocky Mountain Association of Geologists
... or thermal gradients and/or greater applied stresses are almost certainly nonlinear. Thus, when framework grams are largely of the same composition...
1982
Field Production Optimization in Constrained Water Temperature at Surface Facility Using Machine Learning and Genetic Algorithm
Ramdhan A. Wibawa, Hans G. Rimbualam, Chairul Ichsan
Indonesian Petroleum Association
... the system has sufficient data to create a datadriven model, the ML approach is used to model the underlying physical process. Nonlinear autoregressive...
2022
Looking Fractures Around the Wellbore: First Successful Azimuthal Dipole Sonic Imaging in a Carbonate Horizonal Well in China
Yu Zhang, Haidong Liu, Honglin Xiao, Xiaoming Zhang, Bo Liu, Yanyan Chen, Zheyuan Huang, Cai Liang, Wei Wang, Guo Wei, Gamal Sultan, Elizabeth Ruiz
Unconventional Resources Technology Conference (URTEC)
... be found farther than the cavern zones. The cave reflections are continuous from near to far and have a nonlinear shape in the migration image. Some...
2022
Pebble Shape (and Size!): DISCUSSION
Douglas I. Benn, Colin K. Ballantyne
Journal of Sedimentary Research (SEPM)
..., it increases the flexibility of Sneed and Folk's original scheme (see below). Nonlinear clast shape indices such as CSI and MPS plot on the Folk...
1992
Interrelations of Population Growth, Energy Supply, and Environment: DISCUSSION
David L. Mari
AAPG Bulletin
... are included, however, a nonlinear function might be found more representative. Thus, extrapolation of an assumed function outside the data range...
1974
Volumetric strain associated with methane desorption and its impact on coalbed gas production from deep coal seams
Xiaojun Cui, R. Marc Bustin
AAPG Bulletin
... precise nonlinear relationship to describe the relationship between volumetric strain and adsorbed gas does not significantly improve our fundamental...
2005
ABSTRACT: The Heterogeneity Cube: a Family of Seismic Attributes; #90007 (2002)
Imhof M.G.
Search and Discovery.com
... to the tremendous o computational costs of testing thousands of different parameter sets. In the future, we will use a nonlinear optimization algorithm which even...
Unknown
Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)
Jon Downton, Benjamin Roure
Search and Discovery.com
.... Further, since the algorithm is nonlinear, bounds may be easily incorporated. The algorithm perturbs the layer P-wave velocity, Vp, S-wave velocity...
2014
Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014)
Wei Xie and Douglas R. Schmitt
Search and Discovery.com
... be generalized as having two main regimes. At low pressures, the trend is nonlinear with the velocity increasing with pressure. This trend shifts...
2014
Abstract: Two-stage Blind Deconvolution; #90187 (2014)
Mafijul Islam Bhuiyan and Mauricio D. Sacchi
Search and Discovery.com
... nonlinear optimization algorithm, the correlation of the estimated wavelet with the original one is set as the metric for synthetic seismic data...
2014
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
... three steps: 1. a ray-based, frequency domain, linear inversion for the moment tensor and source function; 2. a nonlinear inversion to obtain...
2015
Abstracts: Geophysical Study of the Peace River Landslide; #90173 (2015)
Oluwafemi O. Ogunsuyi, Douglas R. Schmitt, Derek Martin, James Morgan, and Corey Froese
Search and Discovery.com
... arrival traveltimes from the seismic dataset were inverted using a nonlinear optimization technique called AAPG Search and Discovery Article #90173...
2015
Porosity and Permeability Estimation using Neural Network Approach from Well Log Data, #41276 (2014)
Akhilesh K. Verma, Burns A. Cheadle, Aurobinda Routray, William K. Mohanty, Lalu Mansinha,
Search and Discovery.com
... in particular, have gained popularity in solving complex nonlinear problems. Permeability, porosity and fluid saturation are three fundamental...
2014
Case Study of a Cadomin Gas Reservoir (Leland) in the Deep Basin: From Deterministic Inversion to Neural Network Analysis, #10732 (2015).
Carmen Dumitrescu, Fred Mayer
Search and Discovery.com
...) and the multiple seismic attribute volumes available at each well, a nonlinear multi-attribute transform was computed to produce P impedance, S impedance...
2015
Mapping Duvernay Mineralogy: From Core to Log to Field; #51329 (2016)
Lisa Song, Dale Rees, Ross Kukulski, Michael Donovan
Search and Discovery.com
... quantification and Petrophysical Calibration for Multimineral Evaluations: A Nonlinear Approach: AAPG Bulletin, v. 99/7, p. 1371-1397. Theologou, P., 2012, NIMBLE...
2016
Reading the Sedimentary Record: A Multiple-Hypotheses Working Methodology; #70296 (2017)
Haipeng Li
Search and Discovery.com
... of research. Secondly, all the allogenic and autogenic processes have complex and nonlinear responses. One common practice of interpreting the main...
2017
Modern internal waves and internal tides along oceanic pycnoclines: Challenges and implications for ancient deep-marine baroclinic sands
G. Shanmugam
AAPG Bulletin
.... Gonzalez, 1983, Nonlinear features of internal waves off Baja, California as observed from the SEASAT imaging radar: Journal of Geophysical Research, v...
2013
Fault Determination from Dipmeter Surveys
Robert Claret
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... are recorded continuously and simultaneously are as follows (Figs. 2 and 3): 1) The hole diameter. Note the nonlinear scale. 3) A fault may exist in a section...
1959
Revolutionising History Matching and Uncertainty Assessment
Jens-Petter Nørgård
GEO ExPro Magazine
... search the solution space. This approach has proved to be very successful. It copes with hundreds of parameters as well as the nonlinear variable...
2006
COMBINING GEOSTATISTICS AND MULTI-ATTRIBUTE TRANSFORMS: A CHANNEL SAND CASE STUDY, BLACKFOOT OILFIELD (ALBERTA)
B. Russell, D. Hampson, T. Todorov and L. Lines
Journal of Petroleum Geology
... approach involves combining the attributes in a nonlinear fashion. This can be done either by using nonlinear transforms on the attributes themselves...
2002
Accurate seismic data interpolation based on multiband intelligent training
Xueyi Sun, Benfeng Wang, Tongtong Mo
International Meeting for Applied Geoscience and Energy (IMAGE)
... nonlinear representation capability of DL, intelligent seismic data interpolation has the potential to overcome some limitations of traditional methods...
2023