SINGALE 1-24.cdr - ONGC

Insights on performance
Director (Onshore)
A K Hazarika
Onshore Production refers to production from inland assets, which has its unique characteristics and challenges. In the
current scenario, it is crucial to maintain the recovery of oil and gas and ensure productivity from existing fields with
necessary safety measures. Improved production systems (including improvement in the recovery factor), optimum
recovery of flared gas and carbon management are some of the pivotal areas, that have been taken up on priority.
Improving the recovery factor of existing assets
At present, nearly, 70% of the oil production comes from mature fields. These fields are likely to have a decline in production
rate, since they have been have been operational for a significant period of time. The major challenge is to overcome the
natural decline of the 25-30 year old fields while improving energy and resource efficiency. In line with our strategic goals,
we have been successful in attaining enhanced and improved oil recovery from our mature fields. As against a global norm
of 7-8 percent crude oil production decline rate from such mature fields, we have been able to maintain the annual decline
rate at 2% during the reporting period.
Sustained production can be achieved through an integrated approach. This includes adopting modern technology,
partnering with internationally acclaimed experts for providing world class services and work practices and taking field
specific initiatives to enhance production. We have invested more than INR 209.44 billion since 2001 in 21 Increased Oil
Recovery and Enhanced Oil Recovery (IOR & EOR) and redevelopment projects across our assets (14 have been
completed and 7 are under implementation). The incremental gain from the projects has been 7.97 million metric tons
during the reporting year leading to a cumulative gain of 56 million metric tons since inception.
"As our well charted strategy, we implemented Increased Oil Recovery and
Enhanced Oil Recovery schemes that have ensured sustained supply of Oil
and Gas."
ONGC's onshore operations: Delivering environmentally conscious energy security
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