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Keywords: assumption
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Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 10–12, 2025
Paper Number: SPE-225634-MS
... with participation may be prohibitive. Each controlled release is therefore a valuable benchmark worthy of careful understanding. artificial intelligence wind speed climate change simulation flight corbett and smith 2022 mass balance assumption bias correction factor air emission tadi 2024 emission...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition, June 5–8, 2023
Paper Number: SPE-214428-MS
... enhanced recovery reservoir simulator assumption injector tof displacement application streamline variation flow diagnostic boundary producer equation Introduction Numerical simulations play a critical role in reservoir development and management for optimal hydrocarbon recovery...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209666-MS
... are the uncertainties and decisions to obtain the asset(s) production and cash flow forecasts, which combines several variables including field development philosophy, reservoir productivity, drilling and workover activities, producing effluents treatment options, corporate targets, technical-economic assumptions...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190778-MS
...Non-parametric modelling of discrepancy In many science settings, there may exist a mutual dependence between different data points. This attribute implies that the assumption of independent observations no longer holds. Subsequently, observations are broken down in different groups each...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190819-MS
... injection fracture reaction rate acid diffusion coefficient equation Dolomite formation assumption fracture surface temperature profile Acid Fracture Modeling Overview Acid fracturing is a well stimulation method performed in carbonate formations. Such operations consist of injecting viscous...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185809-MS
... of errors on the predicted total fracture surface area caused by the constant permeability assumption. The study proposes a modified RTA model, which accounts for dynamic permeability to eliminate the error in calculated area. Results from the sensitivity analysis show that the error on surface area...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180139-MS
... and reservoir properties can change significantly throughout the production period. Since the commonly used analyses are largely based on the assumption of constant properties, the central question of this study is: For RTA purposes, is it valid to assume that the variation of oil and reservoir properties...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180168-MS
... assumptions. Different options to turn a continuous fracture distribution into a given number of discrete levels are investigated. Eventually, based on dimensionless coefficients, an optimal number of fracture scales is determined by lumping levels with similar behaviour. Rate-limiting transfer occurs between...
Proceedings Papers

Paper presented at the EAGE Annual Conference & Exhibition incorporating SPE Europec, June 10–13, 2013
Paper Number: SPE-164933-MS
... with the assumptions made in this case. We come to the conclusion that a parabolic diffusion law cannot explain the two different diffusion constants, but a hyperbolic law can. In a detailed dimensional analysis of the Navier-Stokes equation dimensionless groups are formed, the magnitude of which determines...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 4–7, 2012
Paper Number: SPE-154472-MS
... at each time step by the simulator. Run times similar to the base case are potentially possible while, equally importantly, the optimal value identified is similar to the value returned by the other published optimisation methods referred to above. This paper outlines the assumptions made and, after...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, May 23–26, 2011
Paper Number: SPE-143019-MS
... incentives to procure the desired results. artificial intelligence gas storage facility decision variable therm gas storage national grid assumption storage natural gas storage capex spe 143019 london university reservoir storage facility upstream oil & gas underground natural gas...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, June 14–17, 2010
Paper Number: SPE-131642-MS
... field". upstream oil & gas temperature change coefficient temperature data reservoir surveillance interpretation exhibition production monitoring equation heat loss resolution equation 8 production logging assumption derivation temperature distribution analytical solution...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 8–11, 2009
Paper Number: SPE-121426-MS
... option valuation to oil & gas investments, a number of approaches were proposed for calculating the value of an uncertain investment. Unfortunately, the assumptions underlying these various approaches and the conditions that are appropriate for their application are often not spelled out. Where...
Proceedings Papers

Paper presented at the Europec/EAGE Conference and Exhibition, June 9–12, 2008
Paper Number: SPE-113378-MS
... curve is valid for a given set of parameters and defined boundary conditions. Abstract When simulating naturally fractured reservoirs many uncertainties have to be accepted. These uncertainties do not only origin in the reservoir characterization but also in oversimplifying assumptions...
Proceedings Papers

Paper presented at the Europec/EAGE Conference and Exhibition, June 9–12, 2008
Paper Number: SPE-113904-MS
.... artificial lift system Reservoir Surveillance Upstream Oil & Gas artificial lift alternative production monitoring equation of state well-bore model assumption sea floor production control Modeling & Simulation Surface Network Model correlation fluid modeling workflow Injection Rate...
Proceedings Papers

Paper presented at the Europec/EAGE Conference and Exhibition, June 9–12, 2008
Paper Number: SPE-113889-MS
... Reservoir Surveillance water detection pressure sensor pressure data assumption optimisation pressure drop total pressure drop pressure gradient frictional pressure drop Upstream Oil & Gas flow rate detection intelligent well i-well completion production monitoring drillstem/well testing...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 11–14, 2007
Paper Number: SPE-106620-MS
... cutoff porosity analytical solution Reservoir Characterization Upstream Oil & Gas total property assumption numerical solution dataset Modeling & Simulation cutoff criteria reservoir property Block Permeability reservoir Ringrose permeability geological model reservoir simulation...

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