Aug 24 (Reuters) - Santos Ltd STO.AX
* Hy net loss for period attributable to members $506 million versus loss of $1,104 million
* hy revenue from ordinary activities $1,496 million versus $1,205 million
* sales volume guidance is upgraded to 77 to 82 mmboe and production guidance is maintained in range of 57 to 60 mmboe for 2017
* Directors resolved not to pay an interim dividend in relation to half-year ended 30 june 2017