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NASH Vapor Recovery Package for Tullow Oil FPSO

On May 29, 2013, the Government of Ghana formally approved Tullow Oil's TEN Plan of Development. The first deepwater field to be developed in offshore Ghana, the TEN project involves three hydrocarbon accumulations - Tweneboa, Enyenra (formerly, Owo) and Ntomme.  

The development of the TEN Project requires the drilling and completion of up to 24 development wells, which will be connected through subsea infrastructure to a Floating, Production, Storage and Offloading vessel (FPSO), moored in approximately 1,500 meters of water. Hydrocarbon fluids from the wells will be collected at a subsea manifold tied back to the FPSO. The fluids will be processed onboard the FPSO to separate crude oil and gas. The crude oil will be offloaded onto tankers for export to markets and the gas will either be injected into the reservoirs or used for powering the FPSO or exported to the Jubilee field for future transport to shore. The project is expected to recover approximately 216 million barrels of oil.

The Package

MODEC Offshore Production Systems (Singapore) Pte Ltd. was selected as the EPC company to develop systems for the FPSO. On October 16, 2013, the Centennial Jewel trading tanker arrived in the Jurong Shipyard in Singapore, where it began its conversion into the TEN FPSO. Part of the platform will be dedicated to a vapor recovery system, which will use Nash equipment.   

Developed in Singapore, the Nash package includes a Vectra XL 250 stainless steel compressor recirculated package with a seal flush plan and junction boxes. The order was first received at the end of 2013 and it shipped out in February, 2015. The job was completed through the exemplary teamwork of William Ting, Randy Cortado, Htunthan Linn, Loh Yew Onn, Johari Sukiman and Yeap Chai Ling.   

In 2011, Nash delivered a similar package to MODEC for use on an FPSO in Angola. As we continue to deliver successful systems for use offshore, we look forward to increasing the number of packages we produce for this market.
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