Development of JL110H Special Casing for Heavy Oil Thermal Recovery Wells
According to the characteristics of heavy oil exploitation and the mechanism of casing damage in thermal recovery wells,Heilongjiang Jianlong Steel Co.,Ltd.(hereinafter referred to as Heilongjiang Jianlong)has successfully developed JL110H special casing suitable for heavy oil recovery.This paper introduces the development background,heat-resistant steel grade design,production process,room temperature performance,high temperature performance,collapse strength and internal pressure strength test results of this special casing.Practice shows that this casing fully meets the application requirements of heavy oil thermal recovery wells under working conditions.
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