london u.s. president donald trump revise hardline policy towards iran little impact tehran ambition develop vital oil industry attract foreign investment senior iranian official say tuesday islamic republic hop sign 10 new deal foreign company develop oil gas field march 2018 amir zamaninia iran deputy oil minister trade international affairs tell oil money conference london trump decision last friday certify iran comply last year international deal nuclear power development program detract tehran plan say think us partner surprise statement expectations policy formulation washington measure say u.s. statement policy ... little effect implication future plan oil industry zamaninia say iran negotiate 28 contract foreign company include many europe top oil company new development contract add france total totf.pa become july first western oil major re-enter iran follow lift international sanction agreement develop giant south par offshore gas field total chief executive officer say interview international oil daily company wait see impact trump decision try continue unite state impose unilateral sanction sign contract iran move forward move forward stop patrick pouyanne say royal dutch shell rdsa.l also sign agreement iran possible development oil gas field iran hold world large gas reserve plan boost gas production 1.1 billion cubic meter per day 2021 current 800 million bcm per day zamaninia say opec member also aim raise oil production capacity 4.7 million barrel per day 2021 current 3.8 million bpd say say major oilfields azadegan yadavaran abteymour mansouri potential increase output million bpd combine u.s. policy iran wo n't harm oil industry minister