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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,635 documents.
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
..., overburden wave propagation, and processing algorithms. Waveform inversion (Tarantola, 1984) and least-squares migration (Nemeth et al., 1999) calibrate field...
2022
Santos Vision: Innovative Seismic Data Processing in a Super Giant Oil Basin
Hermann Lebit, Sriram Arasanipalai, Jeff Tilton, Pascal Ollagnon, PGS
GEO ExPro Magazine
... of the dataset to more than 60,000 km2 of full and seamless coverage is in progress. The recent application of PGS Least-Squares Migration (LSM) to a subset...
2019
A Rb-Sr Whole-Rock Age Dtermination for the Rainy Creek Alkalic-Ultramafic Complex, Montana
M.D. Fenton, G. Faure
Rocky Mountain Association of Geologists
... e r r o r ( 1 s t a n d a r d deviation) isochron were calculated by least squares regressIOn were least squares regression (York, 1966), aSSuming...
1970
Characterisation of Reservoir Pressure and Temperature Impact on Diffusion Behaviour of Beetaloo Basin Shales
Nicholas Lupton, Regina Sander, Michael Camilleri, Zhejun Pan, Luke Connell
Unconventional Resources Technology Conference (URTEC)
... to changes in pressure can be observed in the uptake rate curves of Figure 3. A least-squares fit of the uptake rate using the unipore model allows...
2019
Geochemistry and Mineralogy of the Permian Red Beds and Related Copper Deposits, Payne, Pawnee, and Noble Counties, Oklahoma
Richard Ralph Heine
Oklahoma City Geological Society
... analysis involves the fitting of mathematical surfaces to data by using the least squares method. Trend surfaces are curved or plane surfaces which...
1979
Regional Evaluation of the Tectonic and Thermal History of the Gippsland Basin
K. A. Hegarty, I. R. Duddy, P. F. Green, A. J. W. Gleadow, I. Fraser, J. K. Weissel
Petroleum Exploration Society of Australia (PESA)
...) = porosity at depth, z 00 initial porosity CK = characteristic depth. 0(z) 0 0 · A least-squares exponential curve was fitted to the downhole porosity...
1985
Geodetic Baselines Across the Gulf of California Using the Global Positioning System: Chapter 24: Part IV. Satellite Geodesy
T. H. Dixon, D. M. Tralli, G. Blewitt, J. P. Dauphin
AAPG Special Volumes
...), which essentially performs multiparameter weighted least-squares estimation. This filter allows simultaneous estimation of station locations...
1991
Application of Unsupervised-Manifold-Learning for Productivity Driver Evaluation and Production Forecasting in Unconventional Oil Reservoirs
Yang Gao, Yuewei Pan, Jianhua Qin, Enbo Qiu, Wei Ma, Ran Bi
Unconventional Resources Technology Conference (URTEC)
... et al. 2018; Pan et al. 2019a, 2019b and 2021). A notable work presented by Qiao et al. (2017) utilizes least squares support vector machine coupled...
2022
Multi-regression Modeling Approach for Choke Performance and Production Analysis
Mario Vicente, Raúl Belkenoff
Unconventional Resources Technology Conference (URTEC)
... to work on the βs coefficients determination is the Ordinary Least Squares (OLS). Defining S as the summation of error squares for n observations: n...
2023
Fabric Evolution and Mechanisms of Diagenesis in Fine-Grained Sediments from the Kita-yamato Trough, Japan Sea
Achim Kopf, Jan H. Behrmann
Journal of Sedimentary Research (SEPM)
... particles by a least-squares fit (Fig. 7B). Data qualit generally is tolerable if either the center of the plot (Fig. 7A) is free of points...
1997
Hydrocarbon Generation and Migration Routes in the East Texas Basin
William A. Wescott, William C. Hood
AAPG Bulletin
... relationship for some east Texas counties. The solid line is the estimated geothermal gradient and the dashed line is the least squares regression best...
1994
Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry
Merinda C. Nash, Bradley N. Opdyke, Zhongwei Wu, Huifang Xu, Janice M. Trafford
Journal of Sedimentary Research (SEPM)
... modeling of XRD patterns combined with a least-squares fitting procedure, such as Rietveld refinement (Hunter 1998). This method has been used (e.g., Nash...
2013
Hybrid Physics and Data-Driven Modeling for Unconventional Field Development Onshore US Basin Case Study
Jaeyoung Park, Akhil Datta-Gupta, Ajay Singh, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... algorithm setting for preliminary algorithm training and validation. For polynomial regression, ordinary least squares linear regression with 2nd degree...
2020
Gravity Survey of the Guffey Volcanic Center, Thirtynine Mile Volcanic Field, Park County, Colorado
Gregory A. Wimpey, Mark Andrew Tinker
Bulletin of South Texas Geological Society
... density by applying a least-squares fit to groups of stations spanning clearly exposed rocks typical of the area and obtained a value of 2.64 g/cm3...
1991
Unlocking the potential of WAZ data for subsalt imaging using FWI: A case study in the Perdido area
Vivek Vandrasi, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which applies least-squares fitting to the recorded full-wavefield data to generate an image along with a velocity model, can take advantage...
2022
New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia
Jarrad Paul Grahame, Tran Thinh To
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., carbonate play, Late Triassic, least-squares Q Kirchhoff pre-stack depth migration, Maxima 3D, North West Shelf, Scott Reef, time-lag full waveform...
2022
2012 Update of Southern Mid-Continent Theses and Dissertations
Neil H. Suneson
Oklahoma City Geological Society
..., Noise suppression using preconditioned least-squares prestack time migration and imaging of Mississippian Limestone. MS. Yalcin, Bora, 2012, Tectonic...
2012
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... deconvolution, has dramatically improved the signal at depth. This, combined with Least-Squares Kirchhoff migration, which has further enhanced the deeper...
2021
Finding By-Passed Oil Using the Reservoir Saturation Tool in Lirik, South Sumatra
Bambang Djoko, Nuke Nugraha, Cholid Mas, Yan Sudarmo
Indonesian Petroleum Association
.... The relative contribution of each element - or the elemental yield can be determined by weighted least squares spectral fitting. The process...
1993
High-frequency FWI on Clair OBN dataset Challenges and successes
Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He
International Meeting for Applied Geoscience and Energy (IMAGE)
...). It has better resolution and signal to noise ratio and reveals more detail in the reservoir section. The least squares nature of this image also leads...
2023
Regularization strategies for Seis2Rock-based petrophysical inversion of prestack seismic data
Miguel Corrales, Juan Romero, Nick Luiken, Hussein Hoteit, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... of least-squares optimization with a Laplacian regularizer to promote smoothness in the solution and counteract noise in the data. This study assesses...
2024
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... mimics the results from data domain least squares migration. Therefore, the present work is divided in two complementary parts: the first involves...
2024
An equation for deriving spatial variations in carbonate production rates from sediment deposition rates and dilution: Application to Santa Maria Island, Azores
Neil C. Mitchell, Rui Quartau, Sandra Moreira, Christoph Beier, Zhongwei Zhao, Sérgio Ávila, Elsa-Marie Portanyi, Aurora Rodrigues
Journal of Sedimentary Research (SEPM)
... in Manchester. The x symbols show the data of Beier et al. (2013) for the sites marked in Figure 4. Straight lines are least-squares regressions...
2022
Trend Analysis: Chapter 18: Part IV. Managing the Business
Michael D. Smith, Donald R. Jones
AAPG Special Volumes
..., this method provides a quick way of finding the probability of all failures and the corresponding probability of at least one success. MULTIPLE TREND...
1992
Regional Assessment of Suitability of Organic-Rich Gas Shales for Carbon Sequestration: An Example from the Devonian Shales of the Illinois and Appalachian Basins, Kentucky
Brandon C. Nuttall, James A. Drahovzal, Cortland F. Eble, R. Marc Bustin
AAPG Special Volumes
... the analysis presented in Figure 8, the least squares linear regression equation used for modeling CO2 adsorption capacity isGamma-ray and density...
2009