Blackstone shale oil venture Gavilan Resources files for bankruptcy <!-- no image --> <div>Blackstone Group's Gavilan Resources LLC filed for Chapter 11 bankruptcy on Friday, citing this year's oil price collapse and a bitter legal battle with a partner.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=s-26O-aBoRM:tUGKbD1ZsdA:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=s-26O-aBoRM:tUGKbD1ZsdA:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=s-26O-aBoRM:tUGKbD1ZsdA:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=s-26O-aBoRM:tUGKbD1ZsdA:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=s-26O-aBoRM:tUGKbD1ZsdA:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/s-26O-aBoRM" height="1" width="1" alt=""></div> Posted by Reuters