Encana Corp. said Friday it has completed the long-delayed sale of its oil and gas properties in the Denver-Julesburg Basin to Crestone Peak Resources. Crestone Peak Resources is 95 percent owned by the Canada Pension Plan Investment Board and 5 percent by the Broe Group, a Denver conglomerate that will oversee operations of the more than 1,600 existing wells and future drilling on the 51,000 net acres. When the $900 million deal was made public last October, the expectation was that it would close before the end of the year.