Selection guidelines for wellhead equipment
This article describe the design and selection criteria necessary in the construction of safe and cost effective Wellheads and Christmas trees.
Standardized wellhead design
The objective of standardizing wellhead design is to obtain a cost effective completion of the well and ease of well maintenance.
Wellheads have traditionally been of the individual spool type. The spool type wellhead offered flexibility because it was relatively easy to add or omit casing strings. However to further enhance safety and rig time saving, wellhead design evolved from the spool type . . .