July 16 (Reuters) - Petrel Energy Ltd (PRL) :
- PROSPEX OIL AND GAS PLC TO RAISE ITS STAKE TO 15 PERCENT IN TESORILLO PROJECT BY FUNDING UPCOMING MAGNETOTELLURIC PROGRAMME
- PROSPEX OIL AND GAS PLC TO RAISE ITS STAKE IN TESORILLO PROJECT ULTIMATELY TO 49.9 PERCENT FOR FUNDING TOTAL EUR 3.8 MILLION