Internal pipeline plug for deep subsea pipe-to-pipe pull-in conn

Details Internal pipeline plug for deep subsea pipe-to-pipe pull-in conn Internal pipeline plug for deep subsea pipe-to-pipe pull-in conn

1980-12-17

1982-11-23

Taylor, Dennis L.

Hydraulic and earth engineering

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

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

138 89, 405169, F16L 104, B63B 3504

Patent

active

043602908

ABSTRACT:
Pressure-tight pipeline plugs are used in subsea connection operations to achieve a lightweight pipe condition which facilitates alignment by easing handling problems. An internal plug is provided for this purpose which is particularly useful for connection operations using a pipe-to-pipe pull-in technique and is capable of sealing, remotely releasing and then being pumped through the line to a terminus.

REFERENCES:
patent: 3746026 (1973-07-01), Herring
patent: 3943982 (1976-03-01), LeCordier
patent: 3978678 (1976-09-01), Duncan et al.
patent: 3978892 (1976-09-01), Scodino
patent: 4011620 (1977-03-01), Southgate
patent: 4026329 (1977-05-01), Thompson
patent: 4077435 (1978-03-01), Van Scoy

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