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公开(公告)号：US11686184B2
公开(公告)日：2023-06-27
申请号：US16901455
申请日：2020-06-15
Inventor： Marco De Mattia , Mahsa Memarzadeh , Curtis J. Holub , Amr S. El-Bakry
IPC: E21B43/12 , E21B47/008
CPC classification number: E21B43/122 , E21B47/008 , E21B2200/20
Abstract: A method for producing hydrocarbons in a gas lift well is disclosed. A gas lift rate of the well is monitored while producing hydrocarbons according to an initial gas lift performance curve. One or more well performance parameters for the well are monitored. Disturbances in the well are detected while monitoring the well performance parameters. Transience in the well is modeled. A new gas lift performance curve is derived based on the detected disturbances, the modeled transience, and the initial gas lift performance curve. An optimal allocation of gas lift is determined from the new gas lift performance curve. Hydrocarbons are produced using the determined optimal allocation of gas lift.
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公开(公告)号：US12001762B2
公开(公告)日：2024-06-04
申请号：US16720195
申请日：2019-12-19
Inventor： Mahsa Memarzadeh , Justin A. Gantt , Ted A. Long
Abstract: The methods disclosed herein are directed to an automated method for monitoring performance of a well in a hydrocarbon reservoir for continuous monitoring of well test production data for a plurality of well system performance parameters, trending actual performance parameter deviations from a well system model, and determining most probable root cause(s) of the performance parameter deviations based on the trend of the deviations of a plurality of parameters for an outflow component of a well performance model and a plurality of parameters inflow component of a well performance model. The method automatically notifies an operator of detected root causes of the performance degradation, and further may perform corrective action in the well system based on at least one root cause of the deviation determined by the well performance model.
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