The only O&G leases filed with the Caddo Clerk of Court for any of the Shale Operators with active units in North Caddo Parish since the first of the year have been by Petrohawk in Sections 27, 33, 34, 36 of 18N - 16W, Greenwood-Waskom Field. Goodrich and Chesapeake have Greenwood-Waskom wells also but further south. Exco has a HA drilling unit in Section 12 and Comstock in Section 5 - 18N -16W but no current wells. This far north portion of the Greenwood-Waskom Field is the only active HA development north of I-20 across Caddo and Bossier parishes.