The Research on Erosive Destruction of Sliding Sleeve of Cementing in Horizontal Wells | |
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( Volume 2 Issue 5,May 2016 ) OPEN ACCESS | |
Author(s): | |
Guo Jing Guo, Song Tao Jiu, Xiao Hua Li | |
Abstract: | |
In order to research the wear pattern and reliability of the cementing sliding sleeve under the circumstance of high sand ratio and large flow, this article utilizes the Dense Discrete Phase Model(DDPM) to forecast the internal particle movement and distribution regularities of the cementing sliding sleeve; uses the erosive model given by Tulsa University to solve the erosion rate of the particle to the cementing sliding sleeve; designs related tests; analyzes the correlation between erosion rate and the quantity of the perforation under the circumstance of less change of sand ratio and flow and verifies the validity of the prediction model to the numerical modeling. The result indicates that numerical modeling can forecast the erosive location of the cementing sliding sleeve correctly and receive the quality loss through unit integral erosion rate. The tests differences from 14.03%, 10.15% and 6.46% explain that the numerical modeling can take well advantage of the cementing sliding sleeve erosive modeling under the high sand ratio. This article analyses the movement characteristics of the internal flow field and particle; explains the reasons of erosive destruction; applies the further optimized reference to cementing sliding sleeve. |
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