Full bore system without stop shoulder

摘要

A production assembly for controlling production from a well, the assembly including a wellhead that includes a body and a bore through the body. The bore does not include a hanger support shoulder but does include an engagement profile extending into the body. The assembly also includes a tubing hanger assembly installable in the wellhead. The assembly includes a load shoulder including a load segment expandable into supporting engagement with the bore engagement profile. The assembly also includes a tubing hanger and attached production tubing capable of being run in with the load shoulder and supportable on the load shoulder when the shoulder is engaged with the wellhead.

主权项

1. A production assembly for controlling production from a well, the assembly including:
a wellhead including a body and a bore through the body, the bore not including a hanger support shoulder but including an engagement profile extending into the body; and a tubing hanger assembly installable in the wellhead and including: a load shoulder including a load segment expandable into supporting engagement with the bore engagement profile; a tubing hanger and attached production tubing runnable in with the load shoulder and supportable on the load shoulder; and wherein the bore further includes an annular groove; and the tubing hanger assembly further includes a lock ring expandable into engagement with the groove to secure the tubing hanger to the load shoulder.