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Keywords: objective function
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Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-198995-MS
... water management enhanced recovery optimization problem objective function modeling & simulation upstream oil & gas reservoir simulation low salinity water injection optimization artificial intelligence waterflooding geological realization namorado field history match lswi...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-198997-MS
... with an additional objective function that minimizes the risk. The additional function is required since optimizing only the average value does not necessarily reduce associated risk and uncertainty. Clustering in data-mining is an interactive and iterative procedure that involves many steps, such as data...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199028-MS
... objective function calculation upstream oil & gas matbal calculation asset and portfolio management hydraulic fracturing complex reservoir pvt measurement aguilera reservoir pressure average reservoir pressure society of petroleum engineers npv gas injection rate eagle ford shale...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199099-MS
... simulation model data-assimilation iteration visualization scenario objective function phylogenetic tree ensemble university & schiozer risk management upstream oil & gas variability local objective function data assimilation schiozer society of petroleum engineers Despite...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185502-MS
... production strategy rmfinder 2 original rmfinder individual probability risk curve society of petroleum engineers Scenario new risk curve probability Schiozer information objective function attribute-level distribution algorithm production variable representativeness One of the main...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185472-MS
... scenarios than the traditional deterministic approach. The approach is also applicable to all types of enhanced oil recovery (EOR) projects. enhanced recovery Upstream Oil & Gas optimization problem waterflooding objective function NPV hypothesis reservoir run time workflow Injection...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177106-MS
... control algorithms, which can improve tracking performance and predictability, and is amenable to real-time optimization. Artificial Intelligence Upstream Oil & Gas machine learning reservoir simulation optimization problem objective function production history producer productivity...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177270-MS
... challenges are both formulated as optimization problems of adjusting injection rates in order to optimize a particular objective function (e.g. minimizing subcool error or maximizing NPV). To address these challenges, this paper presents a nonlinear model-based adaptive-predictive control approach...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169272-MS
..., the objective function should be – NPV . Abstract Efficient recovery of hydrocarbon resources is one of the challenges facing the oil and gas industry. In an enhanced oil recovery (EOR) scheme, optimal placement of wells plays an important role in determining the amount of oil that can be recovered...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153477-MS
... analysis, generating results that are similar to the full simulation model. optimization problem objective function surrogate model artificial intelligence upstream oil & gas deviation flow in porous media fluid dynamics algorithm adjustment base model application reservoir simulation...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153636-MS
... and Schiozer (1998) the success during optimization depends strongly on the time spent in the sensitivity analysis. Among optimization algorithms, there exists two main studied classes, the first one does not employ gradients of the objective function (direct search method) and the second one bases itself...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153176-MS
... and characterize the uncertainty associated with the inverse problem (bracketing the history). The criteria for evaluating and measuring an acceptable adjusted model (Objective Function types and formulations) are defined and the most influential attributes in assisted HM are selected for the subsequent...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-137763-MS
... in the objective function. Transmissibility multipliers associated to regions located between wells are among the most traditional simulation model parameters used for history matching purposes. Such procedure is very efficient in order to match water production data, but usually leads to transmissibility maps...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-138888-MS
... last. artificial intelligence platform repsol information integration eclipse pipeline upstream oil & gas application reservoir simulation modeling constraint objective function timestep hysy processing facility scenario optimization approximation wellpad simulation model...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-139376-MS
... an increase of 15.7 million barrels (2.5 million std m 3 ) in aggregate output relative to the first optimization, with six well candidates to sidetrack. This work concluded that the water-cut limit and minimum oil rate economic criteria had a very strong influence on the objective function as a result...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-122826-MS
.... The aim of the optimization is to find the minimum of an objective function that represents the quality of the model. In this way, one can find the best model. The keyword is exactly best . Why to make so much effort to find the best if we know that it is still far from the truth. Indeed, the concept...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-120509-MS
... pressure objective function producer Saputelli Artificial Intelligence injector investment efficiency Scenario case example 1 intelligent well valve reservoir SPE 120509 Waterflood Recovery Optimization Using Intelligent Wells and Decision Analysis L. Saputelli, SPE, Hess Corporation; K...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-122148-MS
... the response surface in multidimensional spaces of a reservoir model (i.e. water production, bottom hole pressure etc.) or of an objective function with few number of simulations. The mapped response is then used as a substitute of reservoir simulation runs during the history matching process. The focus...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-107294-MS
... for a petroleum field? For how long do the exploratory efforts deserve investment before the beginning of the development stage? What is the appropriate value of the reservoir recovery factor? The maximization of the NPV is represented by an objective function. The influence of the parameters...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, June 20–23, 2005
Paper Number: SPE-94806-MS
... of the objective functions and (7) statistical treatment of the results obtaining production forecasting with uncertainty and risk. As this work compares different procedures to obtain risk curves, the main difference between the risk analysis processes are selection of critical attributes, attribute combination...

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