Kansas Well #2 Plugged and Abandoned Due to Difficulties

Woodside Petroleum reports that the Kansas #3 exploration well (OCS-G 18617 #2) located in the Gulf of Mexico on Atwater Valley block 488 was spudded on May 29, 2004. This well is a replacement well for the Kansas #2 (OCS-G 18617 #1) well which had to be plugged and abandoned 4 days after spudding due to mechanical difficulties.

Kansas #3 is approximately 200 feet due south of Kansas #2. Water depth at the location is approximately 4,725 feet. Planned total depth is approximately 18,000 feet, referenced to the rig rotary table. The well is located approximately 7 miles northeast of the Neptune discovery.

Woodside Energy (USA) Inc. owns a 16.665% working interest in the leases that comprise the Kansas prospect. BHP is the operator.