Subsea completion system, and methods of using same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-029/12
E21B-029/00
출원번호
US-0965135
(2004-10-14)
등록번호
US-7296629
(2007-11-20)
발명자
/ 주소
Bartlett,Christopher D.
출원인 / 주소
FMC Technologies, Inc.
대리인 / 주소
Williams, Morgan & Amerson, P.C.
인용정보
피인용 횟수 :
12인용 특허 :
33
초록▼
A subsea production system that is adapted to be coupled to a subsea wellhead and includes a tubing hanger adapted to be positioned in the wellhead. The tubing hanger has a flow opening extending therethrough and has at least one eccentrically located opening extending through the tubing hanger. In
A subsea production system that is adapted to be coupled to a subsea wellhead and includes a tubing hanger adapted to be positioned in the wellhead. The tubing hanger has a flow opening extending therethrough and has at least one eccentrically located opening extending through the tubing hanger. In some cases, the tubing hanger is adapted to be not precisely oriented with respect to a fixed reference point when positioned in the wellhead. The system also includes a production tree adapted to be operatively coupled to the tubing hanger, wherein the production tree is oriented relative to the tubing hanger. In other embodiments, the tubing hanger is riot oriented with respect to the wellhead or other fixed reference point.
대표청구항▼
What is claimed: 1. A system adapted to be coupled to a subsea wellhead, comprising: a tubing hanger adapted to be positioned in said wellhead, said tubing hanger comprising a flow opening extending therethrough and at least one eccentrically located opening extending through said tubing hanger, sa
What is claimed: 1. A system adapted to be coupled to a subsea wellhead, comprising: a tubing hanger adapted to be positioned in said wellhead, said tubing hanger comprising a flow opening extending therethrough and at least one eccentrically located opening extending through said tubing hanger, said tubing hanger adapted to be not precisely oriented with respect to a fixed reference point when positioned in said wellhead; a production tree comprising at least one valve and a top outlet that is coaxially aligned with said wellhead, said production tree adapted to be operatively coupled to said tubing hanger, wherein said production tree is angularly oriented relative to said tubing hanger; and a subsea jumper conduit adapted to be operatively coupled to said top outlet of said tree and to an inlet of a subsea component. 2. The system of claim 1, wherein said tubing hanger is not oriented with respect to said fixed reference point. 3. The system of claim 1, wherein said fixed reference point comprises said subsea wellhead. 4. The system of claim 1, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger. 5. The system of claim 1, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger, a flow bore of said tree is a vertical flow bore, and said vertical flow bore of said tree is concentrically oriented with respect to said centrally located flow opening in said tubing hanger. 6. The system of claim 1, wherein said component comprises at least one of a manifold, a sled, a flow line connector, a subsea processing unit and a pump unit. 7. The system of claim 1, wherein said at least one eccentric opening comprises at least one of an annulus flow opening, an opening for an electrical component, and an opening for a hydraulic connection. 8. The system of claim 1, wherein said production tree comprises at least one non-vertical production outlet. 9. A system adapted to be coupled to a subsea wellhead, comprising: a tubing hanger adapted to be positioned in said wellhead, said tubing hanger comprising a flow opening extending therethrough and at least one eccentrically located opening extending through said tubing hanger, said tubing hanger adapted to be non-oriented with respect to a fixed reference point when positioned in said wellhead; a production tree comprising at least one valve and a top outlet that is coaxially aligned with said wellhead, said production tree adapted to be operatively coupled to said tubing hanger, wherein said production tree is angularly oriented relative to said tubing hanger; and a subsea jumper conduit adapted to be operatively coupled to said top outlet of said tree and to an inlet of a subsea component. 10. The system of claim 9, wherein said fixed reference point comprises said wellhead. 11. The system of claim 9, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger. 12. The system of claim 9, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger, said flow bore of said tree is a vertical flow bore, and said vertical flow bore of said tree is concentrically oriented with respect to said centrally located flow opening in said tubing hanger. 13. The system of claim 9, wherein said production tree comprises at least one non-vertical production outlet. 14. A system adapted to be coupled to a subsea wellhead, comprising: a tubing hanger adapted to be positioned in said wellhead, said tubing hanger comprising a centrally located flow opening extending therethrough and at least one eccentrically located opening extending through said tubing hanger, said tubing hanger being adapted to be not precisely oriented with respect to said wellhead when positioned therein; a production tree comprising at least one valve, a flow bore extending therethrough and a top outlet that is coaxially aligned with said wellhead, said production tree adapted to be operatively coupled to said tubing hanger, wherein said production tree is angularly oriented relative to said tubing hanger and wherein said flow bore in said production tree is in fluid communication with said flow opening in said tubing hanger; and a subsea jumper conduit adapted to be operatively coupled to said top outlet of said tree and to an inlet of a subsea component. 15. The system of claim 14, wherein said flow bore in said tree is a vertical flow bore. 16. The system of claim 15, wherein said vertical flow bore of said tree is coaxially oriented with respect to said centrally located flow opening in said tubing hanger. 17. The system of claim 15, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger, and said vertical flow bore of said tree is concentrically oriented with respect to said centrally located flow opening in said tubing hanger. 18. A system adapted to be coupled to a subsea wellhead, comprising: a tubing hanger adapted to be positioned in said wellhead, said tubing hanger comprising a centrally located flow opening extending therethrough and at least one eccentrically located opening extending through said tubing hanger, said tubing hanger being adapted to be non-oriented with respect to said wellhead when positioned therein; and a production tree comprising at least one valve, a flow bore extending therethrough and a top outlet that is coaxially aligned with said wellhead, said production tree adapted to be operatively coupled to said tubing hanger, wherein said production tree is angularly oriented relative to said tubing hanger and wherein said flow bore in said production tree is in fluid communication with said flow opening in said tubing hanger; and a subsea jumper conduit adapted to be operatively coupled to said top outlet of said tree and to an inlet of a subsea component. 19. The system of claim 18, wherein said flow bore in said tree is a vertical flow bore. 20. The system of claim 18, wherein said vertical flow bore of said tree is coaxially oriented with respect to said centrally located flow opening in said tubing hanger. 21. The system of claim 19, wherein said flow opening in said tubing hanger is centrally located in said tubing hanger, and said vertical flow bore of said tree is concentrically oriented with respect to said centrally located flow opening in said tubing hanger.
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