Well assembly with recesses faciliating branch wellbore creation

摘要

It is the description for the component that can be arranged in missile silo. Component may include the inner wall of concave portion and the outer wall of another depressed section. The depressed section can respectively be configured to the component that there is the thickness of cross section to be less than at least another part. Component can provide the environment of the interior zone component external limited between sealing element to before assembling, and the outer wall that window is formed in concave portion can be formed by branch wellbore. The inner wall of the concave portion can guide outer wall of the cutting tool towards recess portion.