2015 ARKH-P4.0 Offshore Structures General
.pdfARKHANGELSK STATE TECHNICAL
UNIVERSITY
OFFSHORE FIELD DEVELOPMENT PROCESS ,CONCEPTS
AND FACILITIES
OCT 2015
---------------
PART 4.0: OFFSHORE FACILITIES
GENERAL
---------------
Daniel Saincry
19091910: Ferry Lake - Louisiana
2
First drillship
3
1912 – Lake Maracaibo - Venezuela
4
Caspian sea, some time ago ..
100 km offshore
5
OFFSHORE COMPLEX
6
A NICE DAY IN NORTH SEA …
7
MAIN GEOGRAPHICAL ZONES
Three « old » ones :
Important for Offshore history & for the large number of existing facilities:
North sea,
Gulf of Mexico,
Brazil…
A « more recent » zone:Africa :
Congo, Gabon, Ivory coast, and the Far East ,Indonesia
,Malaysia ..
and in very stong expansion: the Gulf of Guinea With mainly Nigeria, Angola, ...
and the Australia
8
A LOT OF PLATEFORMS !
9
Offshore Structures :types
Technical feasibility
conventional |
Deepwater |
Fixed platform
Compliant tower
TLP
Spar
Semi-sub
FPSO
Subsea systems
|
Water depth (m) '0 |
500 m |
1000 m |
1500 m |
2000 m |
2500 m |
3000 m |
|
|
|
|
|
|
|
|
|
|
10