Importance

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Abstract

The present invention relates to a horizontal Christmas tree comprising a central bore (72) and a horizontal outlet (70) extending laterally from the central bore. A tubing hanger (74) is locked into the central bore and connected to a production tubing (76) extending into the well. The tubing hanger comprises a first passage (78) axially aligned with the production tubing and a second passage (80) extending laterally from the first passage and aligned with the outlet. The first passage comprises means for releasable fastening of at least one plugging device (1a, 1b) for plugging the first passage above the second passage.

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First Claim