Casing damage has become a very serious concern in China since 1970s. Along with adoption of high-pressure water injection and high pressure hydraulic fracturing in oil fields, casing damage become a challenging technical difficulty in the Chinese and international petroleum industry. Many researchers have been devoted to solve the problems and had identified important factors affecting casing damage. such as geologic structure, development operation and drilling program. Although stress concentration around well bore is the direct reason of ca...
