Uniform Acid Cleaning Technology and Its Application in Horizontal Wells with Open Hole Screen Tube
Peifeng Jia,
Chuanzhi Cui,
Yingfei Sui
et al.
Abstract:After the completion of the open hole sieve tube in a horizontal well, it is necessary to replace the slurry and put it into production. Generally, circulating acid outside the tube cannot fully remove mud pollution. The acidification process needs to fully consider the heel effect of horizontal wells. Based on the horizontal pipe flow model and the characteristics of foam diversion, a mathematical model of acid washing suitable for open hole screen horizontal wells is established. Analysis suggests that lower… Show more
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