shares in deltic energy plc jumped 32 on wednesday after the company said shell plc has encountered gas in the reservoir of the 4105a2 well on license p2252 and recommended that a full welltesting program be undertaken we are very pleased to have encountered hydrocarbons in the pensacola exploration well at this intermediate stage of well operations we now look forward to working with the operator on the well testing program and will update the market once that program is completed chief executive graham swindells said shell is the operator of exploration well in the southern north sea that is a joint venture between shell deltic and onedyas shares at 0855 gmt were up 063 pence at 260 pence