John buys rigs Vol 14, PW 25 (16 Jun 11) News in Brief Ahmedabad-based John Energy has bought four onland drilling rigs from competitor Dewanchand Ramsaran.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedJohn mobilises two workover rigs for Oil India (19 Dec 19) John Energy meets bankers to restructure debts (02 May 19) In Tripura only high-tech AC-VFD rigs can work (12 Jan 17) Cairn looking for six rigs at Rajasthan (13 Aug 15) Cairn: Drillers panic over 7 cancelled rig contracts (12 Feb 15) ONGC plans five HP/HT wells in KG and Cauvery (23 Oct 14) John in talks to buy Black Pearl (14 Nov 13) John Energy rapidly expanding onland rig fleet (01 Nov 12) John buys rigs (16 Jun 11) ONGC wants to blacklist John Energy from rig contracts (03 May 07)