Pipelay in slurry trench
US4714379A · kind A · utility
15Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1986 |
| Grant date | Dec 22, 1987 |
| Priority date | — |
| Expiry date | Nov 26, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F5/109
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A deep trench is excavated into a sea bottom. The trench is filled with a slurry, e.g. clay and water, to maintain trench integrity for a period of time. A pipeline is subsequently lowered to the trench bottom by either gravity settlement, jet down using water jets, or vibration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.