Compliant offshore structure with fixed base

Patent · Tue Mar 07 00:00:00 EST 1989

OSTI ID:5953634

Davenport, G F; Finn, L D; Burns, J Q

A compliant offshore structure is described, comprising: a base rigidly secured to the ocean floor; a substantially vertical tower extending upward from the base, the tower having a bottom end portion, an upper end portion and a structure joining the bottom and upper end portions, the bottom end portion being substantially free from vertical load transmitting contact with the base, the longitudinal axis of the tower defining the central axis of the structure; and a plurality of elongate stabilizing members arranged in an array surrounding the central axis, each stabilizing member having a first end secured to the base and a second end secured to the tower at a stabilizing member anchorage located on the tower at a position above the base.

• Assignee: Exxon Production Research Co., Houston, TX
• Patent Number(s): US 4810135
• OSTI ID: 5953634
• Resource Relation: Patent File Date: Filed date 4 Jun 1987
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
42 ENGINEERING
OFFSHORE PLATFORMS
DESIGN
FASTENING
INSTALLATION
NATURAL GAS WELLS
OIL WELLS
STABILIZATION
SUPPORTS
TENSILE PROPERTIES
FABRICATION
JOINING
MECHANICAL PROPERTIES
MECHANICAL STRUCTURES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing
420206 - Engineering- Mining & Drilling Equipment & Facilities- (1980-1989)
423000 - Engineering- Marine Engineering- (1980-)