Oil will be in focus with Shell ( LON:RDSB ) and Tullow ( LON:TLW ) reporting today. No-one could accuse Tullow of having an uneventful year thus far in 2015. Last month it secured an additional US$450mln from existing lending facilities, and in Februray, unveiled its first loss for 15 years. Now Thursday sees the publication of an interim management statement and broker Numis notes the firm's own output guidance for 2015 stands at 63-68kbod from West Africa and 6-9kboed for Europe. "Numis currently forecast 69kboed for FY15, at the low end of this guidance range.