John Energy and Shiv Vani in ONGC rig race Vol 15, PW 2 (28 Jul 11) Exploration & Production Luckily for Shiv Vani, its disqualification by ONGC for workover rigs does not extend to standard land-based drilling rigs.... Register here for subscription details Next Transocean expects good rate in ONGC rig tender Back Shiv Vani rejects 'cartel' allegation by ONGC RelatedShiv Vani rig doubts at ONGC (27 Jun 13) Shiv Vani wins ONGC rig contract (16 May 13) John Energy rapidly expanding onland rig fleet (01 Nov 12) Shiv Vani rig death (23 Feb 12) Shiv Vani edge over Transocean in ONGC rig tender (09 Feb 12) Shiv Vani rigs (01 Dec 11) John Energy rig (17 Nov 11) Shiv Vani rig (11 Aug 11) John Energy and Shiv Vani in ONGC rig race (28 Jul 11) Shiv Vani might undercut Jagson in rig tender (02 Jun 11)