Projects

CECON’s first pipeline installation project was completed in 2005, and so far 25 successful rigid pipelines, flexible flowlines, risers, umbilicals, cables, mooring installation & inspection and decommissioning projects have been completed in the North Sea, Mediteranean Sea, West Africa & Indian ocean. See below selection of projects. A full list of projects can be downloaded here.

Skagen Fiber West Project

2020 Ongoing - Norway
Client

Skagenfiber

Scope of work
  • Project Management and Engineering

  • Installation of 170km of FO submarine cable
  • Burial of 170km of FO submarine cable

BLOCK OML 123 FIELD FPSO SURVEY

2020 - Nigeria
Client

Yinson and First E&P

Scope of work
  • Project Management and Engineering

  • Disconnection and inspection of the permanent mooring chains on the FPSO Adoon and associated CALM buoy

ANYALA MADU FIELD FPSO MOORING

2020 - Nigeria
Client

Yinson and First E&P

Scope of work
  • Project Management and Engineering

  • Mobilisation of mooring spread
  • Installation & pre-tension of 12x mooring lines

FPSO Dhirubhai-1 Decommissioning

2019/2020 - India
Client

Aker Floating Production

 
Scope of work
  • Project Management and Engineering
  • Subsea disconnection, collection & recovery of nearly 1500 buoyancy modules for flexibles riser and dynamic umbilical 
  • Decommissioning of 4off Production, 4off gas export & 1off gas injection risers 
  • Decommissioning of 1off Dynamic Umbilical
  • Disconnection & recovery of 9x mooring lines
  • STP buoy ballasting
  • STP handling and preparation for towing

Winkinger Wind farm

2019 - Germany
Client

Prismian

 
Scope of work
  • Project Management and Engineering

  • Power cables recovery
  • Power cable onshore transpool

Halk el Menzel Field Development

2017 - Tunisia
Client

Sarost S.A. / Topic Energy S.A.

Scope of work
  • Project Management and Engineering

  • Mooring Spread Installation for 2off Calm buoy
  • Jacket and Topsides Installation

  • Flexible Flowline Lay
  • PLEM Installation
  • 2off CPI Calm Buoy Hook Up
  • Riser Installation

Cecon Excellence Transportation

2016/2017 - Quebec, Canada / Varna, Bulgaria
Client

Rever Offshore AS

Scope of work
  • Project Management and Engineering

  • Contracting of Heavy Lift Vessel

  • Seafastening Calculations
  • Stability Assessment
  • On Site Supervision

Sotenäs Wave Park Development Project

2015 - Sweden
Client

Seabased Industy AB

Scope of work
  • Project Management and Engineering

  • Installation of Low Voltage Marine Substation, 110 ton structure

  • Subsea hook-up of wave generators

  • Water depth: 50 m

Ashtart Export Solution Project

2015 - Tunisia
Client

Sarost SA / Serept

Scope of work
  • Project Management and Engineering

  • Replaced 6 x 130 m anchor chain

  • Chain inspection

  • Hook-up of intermediate FSO

  • Disconnection of electrical cable

  • Disconnection of 20” and 10” risers

  • Disconnection of the Ifrikia II FSO

OK27 & OK28 Well Swaps Project

2013 – Nigeria
Client

HydroDive Nigeria Ltd / Kaztec / Addax Petroleum

Scope of work
  • Project Management and Engineering
  • Recovery of 2 off 6” flexible flowlines and re-lay in new corridors
  • Recovery of 2 off umbilicals and re-lay in new corridors
  • Procurement of required temporary items

Okwori Project

2012 – Nigeria
Client

Addax Petroleum Exploration (Nigeria) Ltd

Scope of work
  • Project Management and Engineering
  • Installation of the follwing client provided products: 
    • 4 off 6” ID Production risers/flowlines FPSO to WH OK-23 to OK 26
    • 4 off control umbilical/risers FPSO to WH OK-23 to OK 26
  • Water depth: ~ 140 m

Ocean Producer Recovery Project

2009 – Angola, Block 3
Client

Sonangol / Angola Drilling Company 

Scope of work
  • Project Management and Engineering
  • Design of complete flowline and umbilical recovery system
  • Recovery and de-commissioning of 12 rigid flowlines and 8 umbilicals, totally 46 km of product
  • Recovery of 7 off Pipe Line End Termination
  • Supply of all required assets to facilitate the de-commissioning of the products 

Kristin Projects

2008 – Norway
Client

Statoil ASA

Scope of work
  • Project Management and Engineering
  • Installation and recovery of 1 off 8” temporary loading system hose from Semi to tanker Navion Britannia, length 550 m
  • Installation and removal of similar 1 off 8” temporary loading system hose
  • Water depth ~370m

Pacassa Project

2008/2009 - Angola
Client

Sonangol / Angola Drilling Company

Scope of work
  • Project Management and Engineering
  • Procurement of 8 km of 10” API 5L X65 linepipe
  • Transportation of line pipe from mill to fabrication site
  • Onshore fabrication of triple-joints
  • Procurement of piglaunchers and receivers, all reqired temporary items
  • Offshore installation of 8 km of 10” rigid pipeline

Kristin Projects

2007 – Norway
Client

Statoil ASA

Scope of work
  • Project Management and Engineering
  • Installation and recovery of 1 off 8” temporary loading system hose from Semi to tanker Navion Britannia, length 550m
  • Installation and removal of similar 1 off 8” temporary loading system hose
  • Water depth ~370m
  • Fast track projects, about 2 months from call off to de-mob

Okoro Flexibles Project

2007/2008 - Nigeria
Client

Deepflex / Afren

Scope of work
  • Project Management and Engineering
  • Offshore installation of the following client provided composite flowlines:
    • 1 off 4” Gas Lift flowline Production from FPSO to WHP, length 800m
    • 1 off 6” Test Production flowline from FPSO to WHP, length 800m
    • 1 off 8” Main Production flowline from FPSO to WHP, length 800m

Morsa West Rigid Pipelay

2007/2008 – Angola
Client

Angola Drilling Company (ADC) on behalf of Sonagaol

Scope of work
  • Project Management and Engineering
  • Procurement of 26 km of API 5L X65 rigid linepipe
  • Transportation of Linepipe from pipemill to fabrication yard
  • Onshore fabrication of triple-joints
  • Offshore installation: 20,1 km of 6” and 5,8 km of 4,5“ pipeline

Morsa West Cable & Umbilical Project

2006/2007 – Angola
Client

Sonangol / Angola Drilling Company (ADC)

Scope of work
  • Project Management and Engineering
  • Offshore installation of the following Company provided products:
    • 2 off Utility umbilicals, between Morsa West and satellites, total length 10.05 km
    • 5 off Power cables, between Morsa West and satellites, total length 25.3 km

Morsa West Pipeline Project

2005/2006 – Angola
Client

Sonangol / Angola Drilling Company (ADC)

Scope of work
  • Project Management and Engineering
  • Procurement of 45.5 km of API 5L X52 Rigid Linepipe
  • Transportation of Linepipe from pipemill to fabrication yard
  • Onshore fabrication of triple-joints
  • Installation of 34 km of 6” pipeline
  • Installation of 11,5 km of 4,5” pipeline

Canuku Gas Pipeline Project

2004/2005 – Angola
Client

Sonangol / Angola Drilling Company (ADC)

Scope of work
  • Project Management and Engineering
  • Installation of 3 off 4” Gas Lift risers, hang-off at the Ocean Producer FPSO
  • Installation of 3 off 3 km 4” off gas lift lines
  • Flowline stabilization with concrete mattresses