Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1990-02-16
1991-07-23
Reese, Randolph A.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405169, 405170, 166341, 166343, F16L 112
Patent
active
050339079
ABSTRACT:
An apparatus and method for underwater aligning and connecting of two pipes used in directional drilling and particularly trenchless beach crossings. An alignment cable is connected between the ends of the two pipes and is tensioned to bring them into axial alignment. A rigid supporting platform is positioned on the sea floor. Securing clamps are mounted on the platform to align the two pipes. To thread the pipes, one pipe rotates about the joint axis.
REFERENCES:
patent: 3724061 (1973-04-01), Schipper
patent: 3724224 (1973-04-01), Matthews
patent: 4436449 (1984-03-01), Smoot et al.
patent: 4439067 (1984-03-01), Bakk et al.
patent: 4525101 (1985-06-01), Stevens et al.
patent: 4687378 (1987-08-01), Jegousse et al.
Ben Salah Ahmed
O'Donnell Hugh W.
Reese Randolph A.
Ricci John
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