ESeal TM High Performance Patch Overcomes Bakken Play Challenges Challenge The operator was starting completion operations on three different wells in a ten well drilling program in the region. In the first stage of the fracturing program, the uppermost fracture sleeve failed - leaving the economic viability of the wells at risk. A conventional repair would reduce inside diameter to such a degree that sleeves below the failed sleeve could not properly be activated and the remaining sections not properly stimulated. Added Value After the patches were installed the three wells were successfully fractured and the workover paid for itself in ~20 days. ? Completion date October – December 2009 ? Location Dunn Co., North Dakota, USA ? Fi

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