Marubeni loses patience in Ratna negotiations Vol 4, PW 21 (22 Nov 00) Exploration & Production Marubeni of Japan is fast losing patience in negotiations with Essar Oil over a stake in the Ratna and R Series of oilfields on the Bombay Offshore. ... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedPremier puts a break on exploration to focus on Ratna (10 Jan 08) Blair intervenes for Premier over Ratna (14 Dec 06) EPC bids for Damodar Valley almost ready (28 Mar 01) Marubeni loses patience in Ratna negotiations (22 Nov 00) Essar and Premier told to resolve Ratna differences (16 Aug 00) Slow progress in talks for Ratna and Amguri (29 Mar 00) Essar and Premier talk with different voices in Ratna negotiations (19 Jan 00) Premier Oil wants 3rd party audit of Ratna oilfield (22 Dec 99) PREMIER OIL: BETTER LUCK IN INDIA (07 Jul 99) ESSAR SET TO BEGIN PSC TALKS FOR RATNA (31 Mar 99)