Brigham Makes Discovery on Floyd Fault Block Field



Brigham Exploration has made a discovery at the Sullivan #9 well on Floyd Fault Block Field in the Vicksburg Development. This is the first development well in Brigham's Floyd Fault Block Field. The Sullivan #9 encountered approximately 29 feet of net pay, and was successfully completed and fracture stimulated. The Sullivan #9 recently commenced production at an initial rate of approximately 8.0 MMcf of natural gas and 350 barrels of oil (10.1 MMcfe) per day, or approximately 2.5 MMcfed net to Brigham's revenue interest, with a flowing tubing pressure of approximately 5500 psi.

Production facilities for the Sullivan #8, the discovery well for the Floyd Fault Block Field, were recently expanded. Subsequently the Sullivan #8 was producing approximately 10.8 MMcf of natural gas and 620 barrels of oil (14.4 MMcfe) per day, with a flowing tubing pressure of approximately 4845 psi. The Sullivan #8 has produced over 1.4 Bcfe since it began producing in March 2003. Brigham expects to commence drilling its third well in the Floyd Fault Block Field which is located on the Texas Gulf Coast in early September, and its fourth in December of this year. Brigham believes this fault block could require up to nine wells for full development.
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