Provision of multipurpose Subtech Paladin vessel, along with cable laying and diving teams. Subtech Paladin disconnected old flowlines and umbilicals and installed new ones for various wells at the Okwari FPSO.

Customer: Addax Petroleum Nigeria
Contractor:
 Wilkriss Nigeria Ltd
Location:
 Nigeria
Start date: 
11 November 2019
End date: 
13 January 2020


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The solution

The scope of work included:

  • Installation of Christmas trees and appurtenances at six wellheads
  • Two-inch jumper installation at ND–06 wellhead
  • Replace flowline at OK-34 wellhead
  • Umbilical rerouting at OK-34 wellhead

During the operation, the JF Subtech team successfully provided the following services:

  • Disconnection, recovery, relay, and reconnection of OK-22 wellhead flowline
  • Disconnection, recovery, and relay of OK-33 wellhead flowline
  • Disconnection, recovery, and relay of OK-26 wellhead flowline
  • Disconnection, recovery, and relay of OK-34 wellhead flowline
  • Recovery and relaying OK-34 wellhead flowline
  • Repairs and performed pre-commissioning test for SUTU at two wellheads
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