Integrated production optimization of oil fields with pressure and routing constraints: The Urucu field

► Production optimization for oil fields with complex routing degree of freedom. ► Simplified pressure drop models through multidimensional piecewise-linearization. ► Problems solved in real time obtaining sufficiently accurate solutions. This paper develops a framework for integrated production opt...

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Veröffentlicht in:Computers & chemical engineering Jg. 46; S. 178 - 189
Hauptverfasser: Codas, Andrés, Campos, Sthener, Camponogara, Eduardo, Gunnerud, Vidar, Sunjerga, Snjezana
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Kidlington Elsevier Ltd 15.11.2012
Elsevier
Schlagworte:
Applied sciences
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
Integrated production optimization
Inventory control, production control. Distribution
Mathematical programming
Multidimensional piecewise-linear approximation
Oil fields
Operational research and scientific management
Operational research. Management science
Pressure drop modeling
Prospecting and production of crude oil, natural gas, oil shales and tar sands
Routing constraints
Oil fields
Multidimensional piecewise-linear approximation
Pressure drop modeling
Routing constraints
Integrated production optimization
Freedom degree
Complex system
Oil field
History
Modeling
Linear model
Optimization
Lift
Computer integrated manufacturing
Process planning
Mixed integer programming
Routing
Experimental study
Real time
Real time system
Operating conditions
Engineering design
Production management
Oil industry
Gas well
Linear approximation
Surface pressure
Capacity constraint
Gathering
Simulator
Piecewise linearization
Piecewise-linear techniques
ISSN:0098-1354, 1873-4375
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Zusammenfassung:► Production optimization for oil fields with complex routing degree of freedom. ► Simplified pressure drop models through multidimensional piecewise-linearization. ► Problems solved in real time obtaining sufficiently accurate solutions. This paper develops a framework for integrated production optimization of complex oil fields such as Urucu, which has a gathering system with complex routing degree of freedom, limited processing capacity, pressure constraints, and wells with gas-coning behavior. The optimization model integrates simplified well deliverability models, vertical lift performance relations, and the flowing pressure behavior of the surface gathering system. The framework relies on analytical models history matched to field data and simulators tuned to reflect operating conditions. A mixed-integer linear programming (MILP) problem is obtained by approximating these models with piecewise-linear functions. Procedures were developed to obtain simplified piecewise-linear approximations that ensure a given accuracy with respect to complex and precise models. Computational experiments showed that the integrated production optimization problem can be solved sufficiently fast for real-time applications. Further, the operational conditions calculated with the simplified models during the optimization process match the precise models.
ISSN:0098-1354
1873-4375
DOI:10.1016/j.compchemeng.2012.06.016