Pressure-balanced stab connection
This patent describes an apparatus for sealingly connecting a flow bore of a wellhead to a flowline. It consists of: a stab member including a stab body. The stab body has a stab body bore. One end of the stab body bore exiting from the stab body and being in fluid communication with the flow bore and the other end of the stab body bore exiting from a side of the stab body through a stab body side port; a stab receptacle mounted on the wellhead and having a stab receiving bore for receiving the stab body; the stab receptacle having a receptacle flow bore. One end of the receptacle flow bore being in fluid communication with the stab receiving bore and the other end of the receptacle flow bore exiting the stab receptacle and being in fluid communication with the flowline; means for establishing fluid communication between the stab body side port and the one end of the receptacle flow bore when the stab body is received within the stab receiving bore. It includes means disposed on the stab member for orienting the stab member with respect to the Christmas tree for ensuring the alignment of the stab body side port with the one end of the receptable flow bore when the stab body is received within the stab receiving bore; and first and second sealing means disposed on the stab body above and below the stab body side port, respectively, for sealing engagement with the walls of the stab receiving bore above and below the one end of the receptable flow bore for establishing a non-blow-apart, fluid pressure sealed flow passage between the stab body bore of the stab member and the receptacle flow bore of the stab receptacle when the stab body is landed within the stab receiving bore.
- Assignee:
- Smith International, Inc., Newport Beach, CA
- Patent Number(s):
- US 4695190
- OSTI ID:
- 6054393
- Resource Relation:
- Patent File Date: Filed date 4 Mar 1986
- Country of Publication:
- United States
- Language:
- English
Similar Records
Guilelineless subsea completion system with horizontal flowline connection
Method and apparatus for gravel-packing a well