Water: vital for Rumaila’s future

At the heart of Rumaila’s long term development plans is the water injection programme to boost pressure levels in our reservoirs.

Our changing reservoirs
After 60 years of production, Rumaila’s reservoirs are changing. The pressure levels in the reservoirs in the north of the field have dropped. Without addressing this issue and undertaking activities such as maintaining wells across the field, Rumaila’s production would fall 17% every year. This process is called base decline and is common to all oilfields (although the rate of decline varies).

However, Rumaila has not only maintained but also increased production levels over the past 10 years. We are beating the base decline thanks to our various activities and hard work undertaken.

Largely thanks to the water injection programme, oil production in North Rumaila has more than doubled – an increase of over 500,000 barrels per day since 2010.

Record breaking injection rates
This water injection programme has involved an ongoing and comprehensive improvement to the field’s water management infrastructure, including the upgrading of the Qarmat Ali Water Treatment Plant (QAWTP) and construction of a new world-class extension, extensive renovations to pumps stations and associated flowlines. Consequently, Rumaila now injects over 1.4 million barrels per day (bpd) of water into its reservoirs, up from only 60,000 bpd in March 2013.

Results
Injecting industrial-grade water (which is unsuitable for drinking) into the reservoir reintroduces and raises the pressure in the reservoirs. In so doing, we have been able to bring wells that were previously ceased back online and coupled with the conversion of producing wells into water injector wells, we have been able to break historical records in North Rumaila, increasing oil production from 375,000 to 975,000 bpd (2010-2020).


 

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