Oct 11 (Reuters) - Spartan Energy Corp SPE.TO
* Spartan Energy Corp Announces third quarter operations update and revised 2017 capital and production guidance
* Spartan Energy Corp - reducing 2017 drilling and maintenance capital from $145 million to $140 million
* Spartan Energy Corp - revising annual production guidance upward from 21,600 boe/d to 22,000 boe/d
* Spartan Energy - anticipates co will generate total excess cash flow of $40 to $45 million in 2017, representing payout ratio of about 76 to 78 percent
* Spartan Energy - sees average annual production per share growth 16% in 2017 over 2016 while spending about 76% - 78% of forecasted 2017 cash flow
* Spartan Energy Corp - intend to invest an additional $8 million in waterflood projects in Q4