Calibrating pipe friction coefficient of the oilfield water injection system based on sensitivity analysis
Journal Title: Scholars Journal of Physics, Mathematics and Statistics - Year 2014, Vol 1, Issue 1
Abstract
In order to improve the accuracy of hydraulic model for the oilfield water injection network, the model need to be calibrated, so the method of sensitivity analysis was proposed to calibrate pipe friction coefficient in this article. when the node flow and the node pressure were known, the node pressure which affected by the change of the pipe friction coefficient was analyzed, then the pipes of smaller sensitivity were given experience friction value, other pipe friction coefficient was calibrated by the node equations. The method of sensitivity analysis reduced the number of corrected variables and improved the corrected speed, finally the example showed that the corrected node pressure was consistent with the actual node pressure by the method of sensitivity analysis, and illustrated that the method was feasible.
Authors and Affiliations
Yinfeng Wang
Keywords
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