| 摘要 |
A multilateral well completion. In a described embodiment, a multilater al well completion system includes a completion apparatus installed in a cased parent wellbore. The completion apparatus has an opening in its side which i s rotationally aligned with a window in the parent wellbore casing. A tubular string is inserted through an inner tubular structure of the apparatus, through the opening, through the window, and into a branch wellbore extending outwardly from the window.
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