Christmas Tree (xmas tree) Design

Christmas Tree (xmas tree) Design

The Christmas tree is the cross-over between the wellhead casing and the flowline. The wellhead is the cross-over between the Christmas tree and the various casings.

  • controls the wellhead pressure and the flow of hydrocarbon
  • enables the well to be shut off in an emergency
  • provides access into the well for well intervention activities.

Wellhead/christmas tree interface

The selection of the wellhead is normally by the Drilling Engineer in conjunction with the well structure design.

Both drilling and production . . .

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