Numerical Simulation of Erosion Wear of Liquid-Solid Two-Phase Flow in Sliding Sleeve of Horizontal Well

Abstract:

In recent years, the pitching sliding sleeve staged fracturing technology of open hole packer of horizontal well is widely used in shale gas, dense reservoirs, low permeable reservoirs and other exploration and development fields, and becomes the important means of present oil-gas field stimulation. But in the construction process of horizontal well fracturing, the abnormal condition that the sliding sleeve is not opened or is opened invisibly is occurred repeatedly, which has big impact on the fracturing construction. Based on fluid dynamics method and Finnie micro-cutting theory, this paper simulated the erosion wear rate of ball seat at the different fracturing segments. The results showed that: the construction displacement has big impact on the erosion wear, followed by the particle size of proppant and sand ratio, wherein the erosion wear is in inversely proportional to the particle size of proppant; and when multistage fracturing, the possibility that the sliding sleeve close to the toe end and heel happens erosion destruction is much less than that of sliding sleeve in the middle.

• Periodical: Advanced Materials Research (Volume 988)
• Pages: 483-488
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.988.483
• Online since: July 2014
• Authors: Kun Ding, Jian Min Li, Wen Xin Yang, Jian Hu, Wei Zeng
• Keywords: Erosion Wear, Horizontal Well, Numerical Simulation, Sliding Sleeve

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