Production from ONGC’s Western Offshore fields have touched a five year high of 325,000 barrels of oil per day on March 3, the company said on Wednesday. 

“The production has started increasing from average 315,000 barrels of oil per day in February 2015 to over 325,000 barrels of oil per day in March 2015,” an official statement said. 

ONGC has been making an effort to increase production from its ageing and new and marginal fields. It has added a couple of high production wells in the marginal field B-193, installed high volume electrical submersible pump in the D1 field amongst other steps. 

“The primary contributor is the diversion of well fluid from Cluster-7 fields to the newly engaged FPSO (floating production, storage and offloading vessel), Sterling II,” the company’s statement added. 

The Cluster – 7 consists of B-192, B-45 & WO-24 marginal fields- located in the Mumbai High-Deep Continental Shelf of Bombay Offshore Basin.

The average distance of these fields are about 210 km to the west of Mumbai city in water depth of around 80-88 mts. Since, these fields are remote, isolated and marginal in nature, ONGC planned to develop them as a cluster to make the development techno-commercially viable. 

The FPSO arrived in the field in November 2014. It was operationalised and well fluid could be flown into it on February 26. The production from the Cluster fields which was earlier at 7,500 barrels of oil per day has nearly doubled to 14,000 barrels of oil per day due to the engagement of the FPSO.

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