COSL Takes Delivery of COSLPromoter Rig (China)

COSL Takes Delivery of COSLPromoter Platform (China)

 

China Oilfield Services Limited  hosted a ceremony in the deep-water wharf at Yantai CIMC Raffles Shipyard Co. Ltd. for delivery of the deepwater semi-submersible rig COSLPromoter.

COSLPromoter, the third semi-submersible drilling rig CIMC Raffles constructed for COSL, shares the same design as rigs COSLPioneer and COSLInnovator which were delivered and had commenced operations earlier. COSLPromoter is constructed in accordance with requirements of Norwegian Petroleum Safety Administration (PSA), Norwegian Maritime Directorate (NMD), Det Norske Veritas (DNV), the NORSOK petroleum industry safety standards and relevant traditional requirements for semi-submersible rigs. It can be deployed in the Norwegian North Sea as well as other regions in the world.

This rig has an overall length of 104.5 meters, an overall width of 65 meters and an overall depth of 36.85 meters. It has a design draught of 9.5 – 17.75 meters and is designed to operate in water depths of 70 – 750 meters. It has a racking capacity of 7,500 meters and a variable load capacity of 4,000 metric tons. It can support accommodation for up to 120 cabin crew. This rig embodies features such as a high level of automation, simple control, convenient maintenance, comfortable working environment and high safety standards. It is equipped with DP3 dynamic positioning and anchor mooring positioning systems and an unmanned cabin design. The blowout preventer installed to the rig can operate under pressure of up to 15,000 psi and is equipped with casing shearing and sealing functions that allow emergency operations including hydraulic or sonar remote control and subsea robot-controlled operations to prevent major incidents like well kicks, well blowouts and well overflows. The rig is also equipped with gas well christmas tree transmission and hang-off drilling riser devices, allowing underwater installation of gas well christmas trees alongside with drilling operations to boost the overall efficiency of drilling production and reduce operating costs. In the area of environment protection, COSLPromoter is designed to achieve zero emission during drilling and ensure that all rain water, industrial sewage and accommodation sewage have been treated to meet a certain standard before being discharged to the sea.

COSLPromoter is a fundamental constituent of COSL’s deepwater equipment portfolio. Its successful delivery will boost the Group’s deepwater service capabilities. COSLPromoter will be towed to perform operations in Norwegian North Sea.

Source: COSL, April 25, 2012

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