Challenger Development Corp. has retained Canaccord Enermarket to sell various working interests in land in the Craigend area of central Alberta. The package includes an average 70% working interest in 1,312 net acres producing from the Colony and McMurray formations and further potential in Clearwater and Viking. Production is 44 barrels of oil and 265,000 cubic feet of gas per day; provenplus- probable reserves are of 194,500 barrels of oil equivalent. Challenger prefers a cash deal. For more information, contact Martin Peters, 403-537-9829.