To main content

Refurbishment water station, Olero Creek

In November 2010 Chevron Nigeria Limited (CNL) awarded the contract to refurbish this facility to Saipem Contracting Nigeria Limited (SCNL) with Nigerian Westminster Dredging and Marine Limited (NWDM) as subcontractor. The Olero Creek Restoration Project (OCR) is a 70 million US$ construction and commissioning subcontract. The scope of work is the refurbishment and reinstatement of the North Water Station (NWS) and its hook up to the interconnecting piping at Olero Creek.

The scope involves fabrication, installation, transportation, testing, hook-up, commissioning and start-up. The Olero Creek facilities were vandalized during a period of civil unrest in 2003 and further detoriated the following years. The Olero Creek facilities are located in the Olero Creek Field in OML-49 lease and consist of:
  • The North Flow Station (NFS), including production separation and oil shipping; 
  • The North Water Station (NWS), including water treating and injection;
  • The North Compression Station (NCS), including gas compression and dehydration;
  • Quarters and Utilities Station (QUS), including accommodations, power generation and utilities.
The coordinates of the North Water Station (NWS) in the Olero Creek are:
  • Latitude: 05 degree 51 minutes 28.6811 seconds
  • Longitude: 05 degree 07 minutes 55.4051 seconds
These four gravity-based concrete barges are connected by Interconnecting Piping (ICP) along a bridge. The North Flow Station (NFS) together with a temporary production system called the Benin River Flow Station is transporting oil and water from Olero Creek to the CNL facilities at Escravos.
The Olero Creek facilities were vandalised during a period of civil unrest in 2003 and further deteriorated the years thereafter.  The subject contract covered the refurbishment of the North Flow Station (NFS) and the North Water Station (NWS).

NWDM General scope of work

The NWDM scope of work consisted of the refurbishment of existing equipment and installation of new equipment on the North Water Station (NWS) at the NWDM Merogun yard in Warri and the transportation, installation, hook-up, commissioning and start-up at the Olero Creek location on completion of the refurbishment works. The NWS is a concrete gravity based barge with dimension 51.92m x 24.44m x 4.27m. The barge arrived at the NWDM yard in December 2010.

Related projects

Selected filters
Rock_installation_near_wellhead_tower.jpg

Platform installation,
De Ruyter field

The De Ruyter field, discovered in 1996, straddles Blocks P10a and P11b in the North Sea, which are both operated by Petro-Canada. The development consists of a Gravity Base Structure (GBS) with wellhead and lattice towers supporting an Integrated Production Deck (IPD). De Ruyter joins Hanze as Petro-Canada’s second operated offshore field in the Dutch North Sea. Heerema Zwijndrecht was awarded the fabrication, installation and hook-up of the GBS and IPD. The transportation, installation and stabilisation of the GBS was subcontracted to a consortium between Smit Marine Projects and Boskalis Offshore.

Read more
HL_Stralsund_header.jpg

Bridge construction, Stralsund

SMIT’s 1,200 tonnes sheerlegs Taklift 7 completed a major German bridge building programme during 2006. The sheerlegs had spent several months at the new Stralsund Bridge, on the German Baltic coast. This suspension bridge links the mainland with the island of Rügen.

Read more
Nearshore_excavation_header.jpg

Pipeline construction, Mumbai Highfields to Uran Trunkline

The Mumbai High Fields to Uran Trunkline Project is situated near Mumbai (Bombay) in India. ONGC Ltd (Oil & Natural Gas Corporation) has constructed two new pipeline connections from the Mumbai High Fields to Uran over a total length of 204 kilometers. These new pipelines have been constructed in order to replace the existing Bombay High Fields to Uran Trunkline, which had already completed more than 25 years of successful operation and had surpassed its design life. The new pipelines are a 30" oil pipeline and a 28" gas pipeline.

Read more
Backhoe_dredger_Cornelius_trench_dredging_header.jpg

Construction gas pipeline
Beachfield Upstream
Development

The BUD project entailed the construction of a 66 kilometer, 36" gas pipeline, 63 kilometers offshore and 3 kilometers onshore underground to the treatment facilities. The offshore pipeline runs from the east coast at Beachfield (Rustville), Guayaguayare, to the 'Cassia B' platform complex. At the NGC Abyssinia facilities, 3 kilometers off Beachfield, a new sludge catcher has been developed to separate the liquid or condensate from the natural gas. The condensate is separated from water and metered. The station is also designed to control the pressure of gas, as it enters into the land gas transmission system. NGC's existing 30" and 24" gas pipelines have also been diverted to the new Abyssinia sludge catcher.

Read more
IMG_2683_header.jpg

Seabed preparations, Changi Outfall

The Public Utilities Board implemented the Deep Tunnel Sewerage System as a long-term solution to meet the needs for sewerage water collection, treatment and disposal to help maintain Singapore’s clean and healthy environment. In phase one of the Deep Tunnel Sewerage System, the Changi Water Reclamation Plant was constructed in the east of Singapore, from which the Changi Outfall was subsequently constructed. Treated effluent from the water treatment plant will flow through outfall pipelines and be discharged through series of diffusers, dispersing the effluent in the seawater. Boskalis International was awarded the contract for the Changi Outfall in 2002 and formed a joint venture with Archirodon to construct the project.

Read more
Rion_Antirion_header.jpg

Heavy lift operations, Rion Antirion bridge

The Rion Antirion bridge, a 2.3 km long cable stayed bridge, consisting of 4 pylons from which the bridge deck is suspended. SMIT was involved in two phases of the project. During the construction of the pylons, SMIT carried out the management for the tow-out and positioning. For the installation of the steel components SMIT carried out the heavy lift operations.

Read more

Dredging & Inland Infra

Offshore Energy

Salvage

Read more

Read more