Hybrid wellhead system and method of use

Details Hybrid wellhead system and method of use Hybrid wellhead system and method of use

E - Fixed Constructions

21

B

E21B 33/03 (2006.01)

Patent

CA 2461233

A hybrid wellhead system its assembled using a plurality of threaded unions, such as spanner nuts or hammer unions, for securing respective tubular heads and a flanged connection for securing a flow control stack to a top of a tubing head spool. The tubing head spool is secured by a threaded union to an intermediate head spool. The intermediate head spool is secured by another threaded union to a wellhead. Each tubular head secures and suspends a tubular string in the well bore. The hybrid wellhead system is capable of withstanding higher fluid pressures than a conventional independent screwed wellhead, while providing a more economical alternative to a flanged, or ranged; wellhead system because it is less expensive to construct and faster to assemble.

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