In the Lake Washington field in Plaquemines Parish, Louisiana, the Company continued its ongoing recompletion and production optimization program. The average initial production response of five recompletions that were performed was approximately 391 gross Boe/d per well. The twenty production optimization projects that were carried out averaged an initial production response of approximately 98 gross Boe/d per well.
Drilling activity in this area during the quarter included the CM 424 and CM 428 wells in Lake Washington and the UB 157 well, also known as the Magnolia prospect, drilled in Bay de Chene. The CM 424 was drilled to a measured depth of 8,095 feet and encountered 14 feet of true vertical pay. The CM 428 was drilled to a measured depth of 3,445 feet and encountered 47 feet of true vertical pay. In Bay de Chene, the UB 157 was drilled to a measured depth of 11,233 feet and encountered 81 feet of true vertical pay. All of these wells are scheduled to be completed during the first quarter of 2013.
During the fourth quarter, four wells in the Lake Washington field experienced unexpected increases in water production, significantly reducing the performance of these wells. The impact to field wide production levels from the lower performance of these wells is meaningful. During the fourth quarter of 2012, Lake Washington averaged production of approximately 6,200 net barrels of oil equivalent per day. During the month of January, the field averaged approximately 4,700 net barrels of oil equivalent per day of production. Lower base production levels from reduced performance from these wells affects production expectations from the field and are reflected in the Company’s 2013 production forecasts.Central Louisiana/East Texas In the Burr Ferry field in Vernon Parish, Louisiana, the Company’s partner drilled and recently tested the GASRS 15-1, which targeted the Austin Chalk. Initial production test rates of this well were 903 barrels of oil per day and 10.0 million cubic feet of gas per day with flowing tubing pressure of 6,000 psi on a 24/64” choke.
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