Venezuela has formally requested detailed information from neighbouring Trinidad and Tobago regarding first field-tests planned by Exxon Mobil in a newly awarded ultra-deep water exploration block close to the two countries’ maritime border, three separate sources and a diplomatic note reviewed by Reuters show. The exploration block, awarded to Exxon earlier this year, is situated in ultra-deep water off Trinidad’s east coast and lies adjacent to the maritime boundary with Venezuela. It is also located northwest of the prolific Stabroek…