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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,619 documents.
Salt Insertions in Sedimentary Sequences: Impacts on Temperature and Thermal Maturation with Depth
K. Zhao, I. Lerche
GCAGS Transactions
... on the thickness of the salt layer. The model was also designed to estimate the time of salt insertion and the variation of salt thickness in an inverse sense...
1992
Basement Motion and Sediment Loading: A Quantitative Study in Northern Louisiana, Gulf of Mexico
I. Csato , S. Cao , K. Petersen , I. Lerche , N. Sullivan , A. Lowrie
GCAGS Transactions
..., p. 239-246. Tang, J., and Lerche, I., 1991, An inverse method for calculating basement geometries in foreland basins: Journal Geodynamics, v. 13, p...
1994
Inverse Grading Resulting from Coarse-sediment Transport Lag
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
...Inverse Grading Resulting from Coarse-sediment Transport Lag Bryce M. Hand 1997 Vol. 67 No. 1. (January), Inverse grading in turbidites...
1997
Numerical Methods for Mineral Estimation from Well Logs
John H. Doveton
Special Publications of SEPM
... V, are solved by: v = c-'L where C-1 is the inverse of the C-matrix. When coded in a computer program, this little algorithm solves the problem...
1994
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... associated with the optimal transport theory. INTRODUCTION Full-Waveform Inversion (FWI) is a non-linear inverse problem that aims to obtain subsurface...
2023
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to attenuation anisotropy, which achieved numerical simulation of seismic wave propagation in Q-anisotropic medium. Qiao et al. (2020) proposed coupled first...
2024
Petrology and Geochemistry of Silica Cementation in Some Pennsylvanian Sandstones
Raymond Siever
Special Publications of SEPM
... (carbonate, barite) had been determined in an earlier study. The well known inverse relationship between mineral cement and clay matrix holds...
1959
Petrography, Geochemistry, and Geology of the San Miguel Lignite, Jackson Group (Eocene), South Texas
Peter D. Warwick, Sharon S. Crowley, Leslie F. Ruppert, James Pontolillo
The Society for Organic Petrology (TSOP)
... but Cr, Ni, and Pb) have inverse relationships to sample ash yield. This relationship was confirmed by SEM and EDAX observations. None of the 12...
1994
A Two-Phase Well Test Analysis for Water Injection Wells
Takao Namba
Indonesian Petroleum Association
... and the data summarized in Table 1, were analyzed to investigate the inverse problem of estimating various reservoir parameters from pressure transient...
1989
AAPG Asia Pacific Geoscience Technology Workshop ; - Abstracts, #90246 (2016).
Search and Discovery.com
2016
Uncertainty Analysis of the Vertical Aquitard Hydraulic Conductivity in a Leaky Aquifer System
Xun-Hong Chen
Environmental Geosciences (DEG)
... S in the aquifer as well as the vertical hydraulic conductivity K′ in the aquitard can be determined using graphical and inverse computational methods from...
1997
Seismic sparse time-frequency representation via GAN-based unsupervised learning
Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... signal into 2D TFR. For a given seismic signal f (t), its STFT and inverse STFT are calculated as N 2π f (n)g∗ (n − m)e− j N nk , ST FT (m, k) = n=1...
2022
Facies-constrained elastic full-waveform inversion for tilted orthorhombic media
Ashish Kumar, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the inverse problem and increase the spatial resolution of the obtained parameters. Most existing applications of elastic FWI to orthorhombic media...
2024
Stable Isotope Applications in Petroleum Exploration by Geochemical Soil Gas Analyses
Don Rigby
Petroleum Exploration Society of Australia (PESA)
... isotope analysis. Concentration of the hydrocarbons was effected by passing the gas through a U-Shaped stainless steel tube packed with Poropak P & Q (50...
1991
Seismic Through Simulation with Integrated Time-Lapse Workflow, #41938 (2016).
Travis Ramsay, Jesse Lomask, Jimmy Ting
Search and Discovery.com
... space. Considering the pore space as being modified by fluids, the superposition of the inverse mineral bulk modulus and the inverse modulus...
2016
Sistem Pengelasan Jasad Batuan Untuk Jasad Batuan Dalam Penerowongan Dan Pembinaan Bawah Tanah Pembangunan, Kekangan Dan Keperluan Masa Hadapan (IN MALAY): (Rock Mass Classification for Rock Mass in Tunnelling and Underground Excavation - Development, Limitation and Way Forward)
Hamzah Hussin, Mohd Hariri Arifin
Geological Society of Malaysia (GSM)
... dan perlombongan. Bagi pembinaan terowong, sistem seperti Rock Mass Rating / Perkadaran Jasad Batuan (RMR), Sistem Q, Kaedah Japanese Highway (JH...
2023
CSPG/CSEG/CWLS GeoConvention 2012, May 14-18, 2012 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90174 (2014).
Search and Discovery.com
2014
Improving Paleohydrologic Source-to-Sink Estimates by Merging Big Data and the Fulcrum Approach, #51505 (2018).
Nicole Wilson, John Holbrook
Search and Discovery.com
... of time a stream runs at bankfull flow b = Inverse of the proportion of the total annual sediment load (Courtesy of R. Harrison & S. Horne...
2018
History Matching of Reservoir Models by Ensemble Kalman Filtering: The State of the Art and a Sensitivity Study
Leila Heidari, Veronique Gervais, Mickaele Le Ravalec, Hans Wackernagel
AAPG Special Volumes
...History Matching of Reservoir Models by Ensemble Kalman Filtering: The State of the Art and a Sensitivity Study Leila Heidari, Veronique Gervais...
2011
Grain-Size Trends Used to Assess the Effective Discharge for Floodplain Sedimentation, River Waal, The Netherlands
Nathalie E.M. Asselman
Journal of Sedimentary Research (SEPM)
..., Provenance and dispersal of sand-sized sediments. Reconstruction of dispersal patterns and sources of sand-sized sediments by means of inverse...
1999
Weighted stacking of up-and down-going RTM images using peak signal-to-noise ratio analysis
Sérgio Luiz E. F. da Silva, Ammir Karsou, Paulo H. B. Alves, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... mn m with width (2qi + 1) and (2q j + 1) in the row and column directions, and i+qi k=i−qi l= j−q j 2 , with ui j and di j denoting the pixel...
2024
The Use of SAR Imagery for Hydrocarbon Exploration in Sarawak
Chiu Shao-Kang, Mohd Khair Abd Kadir
Geological Society of Malaysia (GSM)
... upon the beamwidth ofthe pulsed microwave energy. Since the beamwidth is the inverse of the antenna aperture, it is restricted by the antenna length...
1990
Danish Sector: Insight into Mature and Deeper Plays
Will Bradbury, Steve Drewell, Gulnara Hickman, TGS
GEO ExPro Magazine
... prior to amplitude inverse-Q correction. Internal multiples, generated within the high velocity chalk layer and having little residual moveout, were...
2013
Extended Abstract: Borehole Image Log Interpretation: Making the Most of Your Data and Realising the Limits, an Illustration Using Fluvial, Shallow Marine, and Deep Marine Environments
Adriaan Bal, Paul Grech, Kenrick van Noord, Jeremy Prosser
Petroleum Exploration Society of Australia (PESA)
.... Using examples, this paper demonstrates how we can realise the limits. Fluvial deposits Fluvial d eposits commonly result in high q uality image...
2002
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: DISCUSSION
John B. Southard
Journal of Sedimentary Research (SEPM)
.... Addison-Wesley, 454 p. FISHER, R. V., AND MATTINSON J. M., 1968, Wheeler Gorge turbidite-conglomerate series, California; inverse grading: Jour...
1970