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The AAPG/Datapages Combined Publications Database

Showing 5,195 Results. Searched 200,619 documents.

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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

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

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

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