Hard formation slows Sindhuja#1 drilling Vol 19, PW 22 (14 Jul 16) News in Brief Unexpected hard sub-sea formations are leading Oil India to predict it will take more... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedMore Umatara work for IOC (17 Nov 22) Oil India suffers $70m setback at Sindhuja#1 (17 Nov 16) No luck for Oil India at Sindhuja#1 (22 Sep 16) Hard formation slows Sindhuja#1 drilling (14 Jul 16) Oil India drills Keifang-1 well (07 Apr 16) Limestone hurdle for Oil India well at KG block (25 Feb 16) 'Give us more rigs!' demands ONGC in Tripura (05 Nov 15) Reliance foresees trouble at Cauvery well (07 Feb 13) Focus to complete 8th well at RJ-ON/6 (23 Aug 07) Dry hole likely at ONGC’s deepwater well in Kutch (11 Feb 04)