Shelf wins LoA for JT Angel rig Vol 28, PW 13 (17 Jul 25) News in Brief Shelf Drilling has received an LoA from ONGC to hire Friede & Goldman (F&GL)... Buy this article forRs590 $9For a 30-article or annual subscription rates click here RelatedShelf wins LoA for JT Angel rig (17 Jul 25) ONGC preparing to open jack-up price bids (19 Jun 25) ONGC issues LoAs for 3 rigs (22 May 25) Greatship bids lowest in ONGC four rig tender (24 Apr 25) Six offer 9 jack-ups to ONGC (27 Mar 25) Shelf bids lowest in jack-up tender for 4 rigs (21 Mar 24) Shelf buys Deep Driller 7 from Aban (30 Jun 22) ONGC set to award five jack-up LoAs (22 Apr 21) ONGC holds unhelpful jack-up pre-bid (01 Nov 18) Shelf and Dynasty match Jagson rate (27 Jun 13)