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Addax Maritimex Offshore Nigeria Ltd – Was awarded an EPC contract for Infield Pipelines and offshore Platform Installation in Nigeria (East) by Addax Petroleum Development Nigeria Limited in OML123. The Work requires laying 8”-14” Infield pipelines approximately 45km offshore in water depths 7-40 Metres. Summary of Total (EPC) Scope of Work The following provides a brief summary of the total scope of work included in the project:

Installation of four Infield pipelines
Pipelines
  • 8” x 16km Water Injection Pipeline from Adanga south Water Injection Facility (ADSI) to the Oron West wellhead facility (ORW-S). 8-14M Water Depth
  • 12”x 12km Water Injection Pipeline from the future Antan PLEM to the Adanga South Water Injection Facility (ADSI). 40-14M Water Depth
  • 14” x 18km Production pipeline from Oron WHP to ADRP2. 8-10M Water Depth
  • 10” x 2km Production Pipeline from Oron –S to Oron WHP  7-8M Water Dept
Offshore Installation
Installation of Oron West-South Wellhead Platform approx 90 Tons

Materials

10” 12.7 MM  WT
API 5L GRADE B 
14” 15.9 MM  WT
API 5L GRADE B
12” 19.1 MM WT
API 5L x 52
   
API 5L x 60 17 Joints
8” 14.3MM  
API 5L x 52
   
API 5L x 60 29 Joints
                          

In addition two kilometers of the 14” oil line from ORON WHP- ADRP2 and two kilometers of the 8” WI line from ADSI to ORON WS was coated with minimum 25.4mm thickness high density concrete for crossing Calabar Shipping Channel.

Key Subcontractors

Intec   Geocean   Wilbros   DOM
 
Halliburton   GOSL

click here to view project photos

 
 
 
 
 

 
 
 
 
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