Method for installing offshore jack-up structures
US4735526A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1986 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Sep 24, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B2017/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for installing an offshore jack-up structure having a buoyant platform to be towed and a plurality of legs, the method comprising the steps of: PA0 (a) providing a pair of ultrasonic transmitter-receivers on a longitudinal and horizontal center line of the platform, PA0 (b) providing of ultrasonic transmitters on a longitudinal and horizontal center line of a target structure to which the rig is approached; and PA0 (c) receiving signals transmitted from the ultrasonic transmitters of the target structure by the ultrasonic transmitter-receivers of the platform to determine a relative distance between the rig and the target structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.