2015 ARKH-P4.0 Offshore Structures General

ARKHANGELSK STATE TECHNICAL

UNIVERSITY

OFFSHORE FIELD DEVELOPMENT PROCESS ,CONCEPTS

AND FACILITIES

OCT 2015

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PART 4.0: OFFSHORE FACILITIES

GENERAL

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Daniel Saincry

19091910: Ferry Lake - Louisiana

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First drillship

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1912 – Lake Maracaibo - Venezuela

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Caspian sea, some time ago ..

100 km offshore

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OFFSHORE COMPLEX

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A NICE DAY IN NORTH SEA …

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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

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A LOT OF PLATEFORMS !

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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

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