Pile assembly for an offshore structure

Patent · Tue Sep 29 04:00:00 EDT 1987

OSTI ID:5922285

Finn, L D; Steele, K M

A pile assembly adapted for use in supporting a compliant offshore structure is described having vertical support legs extending from the ocean floor to a work deck proximate the ocean surface. The pile assembly comprises elongate, substantially vertical lower piles set into the ocean floor; elongate, substantially vertical upper piles having opposed upper and lower end portions. The lower end portion of each of the upper piles are laterally adjacent and fixedly secured to the upper end of at least one of the lower piles; means for securing the upper end portion of each of the upper piles to a corresponding one of the vertical support legs; and means for maintaining a fixed spacing between the lower ends of the upper piles.

• Assignee: Exxon Production Research Co., Houston, TX
• Patent Number(s): US 4696604
• OSTI ID: 5922285
• Country of Publication: United States
• Language: English

Related Subjects

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