Subsea connection unit

Details Subsea connection unit Subsea connection unit

1977-01-06

1978-05-02

Shapiro, Jacob

Wells

Receptacles

With separate air chamber having openable passage

29429, 166 6, 285137A, 285340, F16L 100, E21B 4301

Patent

active

040867781

ABSTRACT:
A subsea connection unit for remotely connecting a first flowline to a complementary second flowline at a submerged location. The unit is comprised of a connector assembly which is attached to the end of the first flowline and a base structure adapted to be positioned on the marine bottom and to hold the end of the second flowline. A pulldown line is attached to the connector assembly and extends downward through the base structure and back to the surface. As the first flowline is pulled downward to the marine bottom, a guide cone on the connector assembly is pulled into a cone receiver on the base structure to properly align the two flowlines. A special guide assembly on the base structure insures that the guide cone will enter the cone receiver. Fluid actuated means on the connector assembly (1) locks the connector assembly to the base structure; (2) moves the end of the first flowline into abutment with the end of the second flowline; (3) closes a clamp means carried by said connector assembly to secure the ends of the two flowlines together; and (4) releases the pull-down line.

REFERENCES:
patent: 3592014 (1971-07-01), Brown
patent: 3695350 (1972-10-01), Petersen
patent: 3710859 (1973-01-01), Hanes et al.
patent: 3918485 (1975-11-01), Weber

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