Patent · US Active

Conductor casing installation by anchor handling/tug/supply vessel

US7770655B2 · kind B2 · utility

10Cited by

27References

2Claims

0Family size

Assignee

Intermoor, Inc. · US

Inventors

Gordon R. Wilde · Houston, US
Pieter Van Luipen · Ellerau, DE
Eckhard Zamboni · Ellerau, DE

Key dates

Filing date	Jul 19, 2006
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Sep 16, 2026

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/02
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An anchor handling/tug/supply (AHTS) vessel is employed to engage conductor casings with the seafloor. The conductor casings initially penetrate the seafloor to a first depth under their own weight. The conductor casings may optimally be further engaged with the seafloor to a second depth by the application of suction to the interiors thereof or by the use of a drop hammer. The conductor casings are driven to grade by a hydraulic pile driving hammer deployed from the deck of the AHTS vessel the previously deployed conductor casings to grade before being recovered to the deck of the AHTS vessel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.