sentences:  In 2012, reports surfaced highlighting the fact that ONGC had chartered an oil rig owned by RIL in May 2009 (Dhirubhai Deepwater KG-1, also known as DDKG-1)without taking bids from any other companies.ONGC was owed Rs.92,000 crores from Reliance Industries Limited (Petrochemicals) for the use of blocks of oil fields.