ONGC opens price bids for 3 workover rigs Vol 28, PW 5 (27 Mar 25) Exploration & Production Ahmedabad-based GTC Oilfield Services and Kolkata-based Maco Corporation have bid the... Buy this article forRs590 $9For a 30-article or annual subscription rates click here RelatedONGC opens price bids for 3 workover rigs (27 Mar 25) Excellent response for ONGC workover rigs (13 Feb 25) More workover rigs needed (16 Jan 25) South Asia wins again with ONGC (03 Oct 24) ONGC wants 12 workover rigs (16 Jun 22) Valiant damage forces ONGC rig tender delay (15 Jul 21) ONGC to open workover rig price bids (20 May 21) Race on to sign O&M contracts for Megha rigs (28 Jan 21) ONGC tender for 22 workover rigs (15 Nov 07) Delay in Romanian rigs upsets ONGC drilling plans (30 Jun 05)