The increase in the count of fields with deteriorating flow properties and, as a result, long nonstationary flow, leads to an increasing spread of periodic lift method.

Classic multiphase pipe flow models used by most commercial simulators are not able to account for transient processes occurring during intermittent operation.

The purpose of this work is to develop a method for calculating the pressure distribution in the wellbore and pipelines, taking into account the unsteadiness of the multiphase flow, as well as its testing on the example of solving various problems of production management: analysis of bringing wells on to stable production, monitoring and optimization of periodic well performance, analysis of processes during the start-up and shutdown of processing trains of the oil gathering system.

Keywords:
fluid modeling, reservoir characterization, reservoir surveillance, multiphase flow, upstream oil & gas, compressibility, pipeline, application, production control, production logging
Subjects:
Hydraulic Fracturing, Well & Reservoir Surveillance and Monitoring, Pipelines, Flowlines and Risers, Reservoir Characterization, Fluid Characterization, Reservoir Fluid Dynamics, Reservoir Simulation, Formation Evaluation & Management, Production logging, Fluid modeling, equations of state
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