Results 31 to 40 of about 9,126,145 (305)

Data-Space Inversion With a Recurrent Autoencoder for Naturally Fractured Systems

open access: yesFrontiers in Applied Mathematics and Statistics, 2021
Data-space inversion (DSI) is a data assimilation procedure that directly generates posterior flow predictions, for time series of interest, without calibrating model parameters.
Su Jiang   +2 more
doaj   +1 more source

The matching law [PDF]

open access: yes, 2011
This article introduces the quantitative analysis of choice behavior by describing a number of equations developed over the years to describe the relation between the allocation of behavior under concurrent schedules of reinforcement and the consequences
Timothy L. Edwards   +7 more
core   +1 more source

The Origins, History, and Design of the Resident Match [PDF]

open access: yesJAMA, 2003
In the early 1900s, competition among hospitals for interns and among medical students for good internships led to increasingly early offers of internships to students. By the 1940s, appointments were often made as early as the beginning of the junior year of medical school.
openaire   +3 more sources

Model Selection and Uniqueness Analysis for Reservoir History Matching [PDF]

open access: yes, 2011
“History matching” (model calibration, parameter identification) is an established method for determination of representative reservoir properties such as permeability, porosity, relative permeability and fault transmissibility from a measured production
Rafiee, Mohammad Mohsen
core   +2 more sources

Distance Dependent Localization Approach in Oil Reservoir History Matching: A Comparative Study [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2014
To perform any economic management of a petroleum reservoir in real time, a predictable and/or updateable model of reservoir along with uncertainty estimation ability is required. One relatively recent method is a sequential Monte Carlo implementation of
Ebrahim Biniaz Delijani   +2 more
doaj  

A New Approach for Production Prediction in Onshore and Offshore Tight Oil Reservoir

open access: yesJournal of Marine Science and Engineering, 2023
Rapid technological advances have accelerated offshore and onshore tight oil extraction to meet growing energy demand. Reliable tools to carry out production prediction are essential for development of unconventional reservoirs.
Kaixuan Qiu   +6 more
doaj   +1 more source

Four-Dimensional History Matching Using ES-MDA and Flow-Based Distance-to-Front Measurement

open access: yesEnergies, 2023
The use of 4D seismic data in history matching has been a topic of great interest in the hydrocarbon industry as it can provide important information regarding changes in subsurfaces caused by fluid substitution and other factors where well data is not ...
Eduardo Barrela   +4 more
doaj   +1 more source

Comprehensive Studies on Production Data Analysis of Hydrocarbon Reservoirs [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2020
A review of field production data reveals that usually, it is very difficult to apply available decline models because of poor quality and often noisy character of initial data and also unrealistic assumptions of the models. This paper tries to introduce
Mohammad Hosein Zareenejad   +1 more
doaj   +1 more source

A Hybrid Approach for Predictive Control of Oil Well Production Using Dynamic System Identification and Real-Time Parameter Estimation

open access: yesComputation
A significant part of modern natural sciences aims to establish a model-based approach to describe the behavior of physical systems and forecast their dynamics in different scenarios.
Anton Gryzlov   +2 more
doaj   +1 more source

Efficient Implementation of an Iterative Ensemble Smoother for Data Assimilation and Reservoir History Matching

open access: yesFrontiers in Applied Mathematics and Statistics, 2019
Raanes et al. [1] revised the iterative ensemble smoother of Chen and Oliver [2, 3], denoted Ensemble Randomized Maximum Likelihood (EnRML), using the property that the EnRML solution is contained in the ensemble subspace.
Geir Evensen   +4 more
doaj   +1 more source

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