Subsea well choke system
Patent
·
OSTI ID:5499062
This patent describes an apparatus for a subsea well completion. It comprises: a wellhead connector having a tubing flow passageway in fluid communication with a well tubing and an annulus passageway in fluid communication with a well annulus; a tubing connection conduit having a first end operatively connected to the wellhead connector and in fluid communication with the tubing flow passageway and further comprising a tubing shut-off valve; an annulus connecting conduit having a first end operatively connected to the wellhead connector and in fluid communication with the annulus flow passageway; and further comprising an annulus shut-off valve;. an annulus wing conduit connected to the annulus connecting conduit above the annulus shut-off valve and further comprising an annulus wing conduit shut-off valve; further comprising an annulus wing conduit shut-off valve; a treecap connected to a second end of the tubing connecting conduit and the annulus connection conduit; a tubing wing conduit connected to the treecap and the production return conduit and further comprising a tubing wing conduit shut-off valve.
- Assignee:
- Chevron Research Co., San Francisco, CA
- Patent Number(s):
- US 4848473
- Application Number:
- PPN: US 7-135783A
- OSTI ID:
- 5499062
- Country of Publication:
- United States
- Language:
- English
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