Subsea tool for tie in of pipeline ends

Details Subsea tool for tie in of pipeline ends Subsea tool for tie in of pipeline ends

2006-02-14

2006-02-14

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Submerging, raising, or manipulating line of pipe or cable...

C405S169000

Reexamination Certificate

active

06997645

ABSTRACT:
A subsea tool (10) designed to pull pipeline ends (PE1, PE2) towards each other is disclosed. The tool (10) comprises a first and a second main body (1, 2) that are able to be displaced to and from each other and have limited freedom of motion relative to each other. The first main body (1) comprises a frame construction (5) having means (11b) for guiding onto and fixed attachment to one of the pipeline ends (PE1). The second main body (2) comprises a frame structure (6) having means (18) for guiding onto and retaining the other pipeline end (PE2). A number of guiding means (15, 16) are provided on the first main body (1) for co-operation with complementary guiding elements (20, 21) provided on the second main body (2). A pulling device (3) is arranged between the first and second main body (1, 2) and is designed for pulling the main bodies (1, 2) including the respective pipeline ends (PE1, PE2) towards each other.

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