ONGC has proven reserves of 2.78bn barrels of oil Vol 8, PW 11 (25 Aug 04) News in Brief ONGC data correct on 1st April 2004 (compiled with help from DeGolyer & MacNaughton) shows it is sitting on proven oil reserves of 2.78bn barrels of oil (728.69m tonnes). ... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedHelp wanted to boost Mumbai High production (13 Jun 24) Brazil party time for Videocon and BPCL (05 Sep 13) Sonatrach ignores IOC request for LNG (29 Nov 12) Global rig shortage holds up development of PY-3 (03 Nov 05) Geopetrol protests Jubilant Enpro action at Kharsang (18 May 05) Development plan for RJ-ON-90/1 now with ministry (04 May 05) Kharsang oilfield in northeast set to double output (09 Mar 05) IOC drops plans to buy French firm Maurel & Prom (09 Feb 05) ONGC has proven reserves of 2.78bn barrels of oil (25 Aug 04) IS RATNA A WORTHWHILE PROPOSITION' (04 Aug 99)