ONGC completes in-house study on C-series Vol 10, PW 1 (04 May 06) News in Brief ONGC has completed an in-house study to develop the discovered C-series marginal gasfields offshore Mumbai.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedOil India internal studies delay shale G&G tender (25 Sep 14) Raju to unwind (24 Feb 11) Deora sits on BP/ONGC Kutch study file (20 Sep 07) ONGC completes in-house study on C-series (04 May 06) No Mahanadi drilling until study on Olive Ridley turtles (18 May 05) Appointments and postponements at ONGC and IOC (23 Mar 05) Appointments and PESB interviews at PSUs (09 Mar 05) Another extension for ONGC’s seven-rig tender (21 Apr 04) Mehra to head ONGC Videsh's Sudan operations (04 Dec 02) New idea for development of G-1 deepwater structure (08 Dec 99)