Self propelled dynamically positioned reel pipe laying ship

Patent · Tue Aug 24 04:00:00 EDT 1982

OSTI ID:6664399

Feldman, N; Radu, E J; Talbot, W J; Uyeda, S T

A self propelled reel pipe laying ship having forward, midship and stern sections, and having a reel mounted at the midship section thereof about a substantially horizontal axis of rotation extending transversely of the ship, such that the load of the reel is distributed downwardly and outwardly substantially in the direction of the longitudinal axis of the ship, the ship further including pipe conditioning means located at the stern section for movement about a pivot axis extending substantially parallel to the rotational axis of the reel and (A) radius control means for imparting a substantially uniform curve to the pipe after it is unspooled from the reel, (B) straightening means for imparting a reverse bending force to the pipe opposite the curvature imparted to the pipe by the reel, and (C) means for guiding the pipe into the water after it emerges from the straightening means; and means for pivoting the pipe conditioning means about its pivot axis to adjust the pipe entry angle at which pipe enters the water after passing through the pipe guide means.

• Assignee: Santa Fe International Corp
• Patent Number(s): US 4345855
• OSTI ID: 6664399
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
022000* -- Petroleum-- Transport
Handling
& Storage
03 NATURAL GAS
032000 -- Natural Gas-- Transport
Handling
& Storage
42 ENGINEERING
423000 -- Engineering-- Marine Engineering-- (1980-)
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
NATURAL GAS
OFFSHORE OPERATIONS
PETROLEUM
PIPELINES
PIPES
POSITIONING
SHIPS
UNDERWATER OPERATIONS