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《Journal of Chengde Petroleum College》 2017-06
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Numerical Simulation of Pipe Filter Flow Field

SUN Wei-liang;Drilling Engineering and Technology Company,Shengli Petroleum Engineering Co.,Ltd;  
In order to eliminate the debris on the MWD instruments and screw drilling tools,drill pipe filter is placed in the drill pipe to filter out all kinds of debris in the drilling fluid in oil drilling.Recently,when repairing the drill pipe,the inner wall coating was found to fall off at the point of1 m. This resulted in an increase in the cost of the drill pipe repair and an increase in the number of scrap pipes. By finding out the cause,it is judged that the coating erosion may be caused by the use of the drill pipe filter. This paper simulates the flow field characteristics of the pipe filter which is not blocked and blocked in the normal drilling condition to find out the cause of the drill pipe coating erosion through the comparison.
【CateGory Index】: TE927
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