Study on Diagnosis Method of High Back Pressure in Well Head for Circular Pipe Network

Xiao Yan Liu; Ying Xu

doi:10.4028/www.scientific.net/AMR.805-806.1790

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Study on Diagnosis Method of High Back Pressure in Well Head for Circular Pipe Network
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Study on Diagnosis Method of High Back Pressure in Well Head for Circular Pipe Network

Abstract:

The gathering system for peripheral pattern in oil field, some wells must be shutdown because of the high backpressure of well, which due to the influence of pipe deformation, blockage, wax precipitation, water volume, crude oil physical property, scale deposit and so on. There in no report about the diagnosis method of reason for high backpressure. This paper defined the wells position in the peripheral pattern by means of the diagnosis method that is node point pressure-temperature method. It can judge if there is block up in pipeline by pressure drop per hectometer of water, and also if the designed pipe standard can match the operating conditions. The diagnose methods proposed can make sure the reasons of well high backpressure, then, the resolve schemes can be obtained.