# US 2014/0190385 A1 · Mooring System And Connector Assembly

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- Number: US 2014/0190385 A1
- Document ID: US20140190385A1
- Status: Published application
- Kind: A1
- Application number: 14/239,404
- Filed: 2012-08-17
- Published: 2014-07-10
- Earliest claimed: 2011-08-19
- Assignees: Axis Energy Products Ltd.
- Inventors: Robin Stuart Colquhoun
- Web page: https://patentgrep.com/patent/US20140190385A1

## CPC

- B63B 21/00: Tying-up; Shifting, towing, or pushing equipment; Anchoring ({of buoys B63B22/04;} dynamic anchoring B63H25/00 {; equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. for landing purposes, E02B})
- B63B 21/50: Anchoring arrangements {or methods} for special vessels, e.g. for floating drilling platforms or dredgers
- B63B 27/24: of pipe-lines
- B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06)

## Abstract

A mooring system, and connector assembly, which in a preferred embodiment is a vessel mooring and fluid transfer system. The connector assembly has a first portion (2A) configured to be coupled to one or more mooring lines (1), and a second portion (2B) configured to be coupled to a vessel. The first and second portions are rotatable with respect to one another to permit a vessel coupling on the second portion to swivel about the mooring coupling on the first portion. In a preferred embodiment, the connector assembly comprises a guide (2E) for a conduit, which may be a fluid transfer conduit such as flexible riser (6). The invention also provides methods of use of the mooring systems described.

## Claims

### Claim 1

A connector assembly for a vessel mooring system, the connector assembly comprising:
a first portion comprising a mooring coupling, the first portion configured to be coupled to one or more mooring lines;
a second portion comprising a vessel coupling, the second portion configured to be coupled to a vessel,
wherein the first and second portions are rotatable with respect to one another to permit the vessel coupling on the second portion to swivel about the mooring coupling on the first portion and wherein the second portion is disposed at least partially within the first portion;
a fluid transfer conduit; and
a guide for the fluid transfer conduit, the guide comprising an aperture in the second portion through which the fluid transfer conduit is received, wherein the aperture has upper and lower lips which are curved to assist in the passage of the fluid transfer conduit through the aperture, the shape of the upper and lower lips being selected to correspond to a minimum bend radius of the fluid transfer conduit.

### Claim 2 (depends on 1)

The connector assembly according to claim 1, wherein the second portion is disposed substantially within the first portion.

### Claim 3 (depends on 1)

The connector assembly according to claim 1, wherein the fluid transfer conduit is a flexible riser.

### Claim 4 (depends on 1)

The connector assembly according to claim 1, wherein in use the guide is configured to isolate the fluid transfer conduit from mooring loads on the connector assembly.

### Claim 5 (depends on 1)

The connector assembly according to claim 1, wherein the fluid transfer conduit is movable in an axial direction relative to the connector assembly.

### Claim 6 (depends on 1)

The connector assembly according to claim 1, wherein the fluid transfer conduit is rotationally moveable in relation to the connector assembly.

### Claim 7 (depends on 1)

The connector assembly according to claim 1, wherein the aperture comprises an insert having a shape selected to correspond to the minimum bend radius of the fluid transfer conduit.

### Claim 8 (depends on 1)

The connector assembly according to claim 1, wherein the first and second portions comprise inner and outer sleeves which are rotatable with respect to one another.

### Claim 9 (depends on 1)

The connector assembly according to claim 1, wherein the first portion comprises a plurality of mooring couplings for a plurality of mooring lines.

### Claim 10 (depends on 1)

The connector assembly according to claim 1, wherein the second portion comprises an inner cylindrical bush.

### Claim 11 (depends on 1)

The connector assembly according to claim 1, wherein the second portion comprises a pair of lever arms which provide the at least one vessel coupling.

### Claim 12 (depends on 1)

The connector assembly according to claim 1, wherein the aperture is in the centre of the second portion.

### Claim 13 (depends on 1)

The connector assembly according to claim 1, further comprising bearings between the first and second portions.

### Claim 14 (depends on 13)

The connector assembly according to claim 13, wherein the bearings are water-lubricated bearings.

### Claim 15 (depends on 1)

The connector assembly according to claim 1, wherein in use the mooring lines below the connector assembly are provided with subsea buoys.

### Claim 16 (depends on 1)

The connector assembly according to claim 1, further comprising a connection and disconnection package.

### Claim 17 (depends on 1)

The connector assembly according to claim 1, further comprising an extended support means for the fluid transfer conduit which functions to separate at least an upper portion of the fluid transfer conduit from a part of the one or more mooring lines.

### Claim 18 (depends on 17)

The connector assembly according to claim 17, wherein the extended support means comprises a cantilever structure.

### Claim 19 (depends on 17)

The connector assembly according to claim 17, wherein the extended support means comprises an elongated chute for the fluid transfer conduit.

### Claim 20 (depends on 17)

The connector assembly according to claim 17, wherein the extended support means is isolated from the mooring loads on the connector assembly.

### Claim at position 21

21-79. (canceled)
