초록 ▼

A subsea wellhead production apparatus including a retrievable subsea choke having a body having an inlet, an outlet extending therein from its lower surface and a collet connecting flange surrounding the lower end of said body, a passage in said body defining communication between said inlet and sa

A subsea wellhead production apparatus including a retrievable subsea choke having a body having an inlet, an outlet extending therein from its lower surface and a collet connecting flange surrounding the lower end of said body, a passage in said body defining communication between said inlet and said outlet, a valve seat in said body surrounding communication between said inlet and said outlet, a valve member movably mounted in said body to coact with said valve seat to control flow through said communication passage an actuator for moving said valve member toward and away from said valve seat, a flowline body having first and second passages opening on a surface of the body with a collet connecting flange surrounding said surface. An orienting key on said choke body and a muleshoe on said flowline body to orient and align said first passage with said inlet and said second passage with said outlet, and a remotely actuated collet connector surrounding and supported on said flowline body and having collet locking elements in position to engage the collet connecting flange.

대표청구항 ▼

A subsea wellhead production apparatus comprising a subsea production flowline body having first and second passages opening on a surface of said body and means surrounding said body surface for coacting with a connecting means, a choke body having an inlet and an outlet extending therein from one o

A subsea wellhead production apparatus comprising a subsea production flowline body having first and second passages opening on a surface of said body and means surrounding said body surface for coacting with a connecting means, a choke body having an inlet and an outlet extending therein from one of its surfaces and means surrounding said surface for coacting with a connecting means, means in said choke body for conducting flow from said inlet through a valve seat to said outlet, a valve member movably mounted in said body to coact with said valve seat to control flow through said valve seat, means for moving said valve member with respect to said valve seat, and remotely actuated means for releasably connecting said coacting means of said choke body to said coacting means of said flowline body with said first passage in communication with said inlet and said second passage in communication with said outlet whereby flow from said first passage to said second passage is controlled by said valve member.