July 17 (Reuters) - Santos Ltd STO.AX :
* 2015 second quarter activities report STO.AX
* Qtrly production of 14.3 mmboe versus 12.8 mmboe last year
* Says qtrly sales of 15.7 mmboe versus 15.1 mmboe last year
* Qtrly sales revenue $786 million versus $974 million last year
* Says sales gas, ethane and sales gas to LNG production of 65.2 petajoules for the quarter was 17% higher than the corresponding quarter
* Says all guidance for 2015 is maintained
* Average oil price for the quarter was A$83 per barrel, 15% higher than the previous quarter
* Says total crude oil sales revenue of $275 million for the quarter was 23% higher than the previous quarter
* Says quarterly crude oil production of 1.8 million barrels was 6% lower than the previous quarter
* Says total exploration and evaluation costs expensed in the first half were $207 million, which was higher than the previous half-year
* Source text for Eikon ID:nASX4gdC4f