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APPEAL OF DIRECTOR’S DECISION – INJECTION PRESSURE
Applicant, through the undersigned counsel, submitted an request to increase the permitted injection pressure which was within the maximum injection pressure permitted
Director Bengal informed the Applicant that he had determined that the requested injection pressure would be denied solely based on the proximity of the well to the documented Enola seismic area.
The Applicant has reentered the E.W. Moore Estate Well No. 1 and converted it to a disposal well with an injection zone in the Arbuckle Formation. The well is located in Section 22, Township 7 North, Range 12 West in Faulkner County, Arkansas.
During the course of the February 26, 2008 hearing, testimony was heard from Applicant’s expert which was undisputed regarding the potential seismicity and potential damages arising from the maximum seismicity. Further, an independent expert who appeared at the request of the Arkansas Geologic Survey, supported even further limited the potential seismicity and potential damages arising from the maximum seismicity of the Enola Swarm Area. Both Dr. Barry Raleigh and Dr. Haydar Al-Shukri agreed that the potential seismicity and potential for damages in the Enola Swarm Area are limited by the geologic features found there. Dr. Al-Shukri stated that he believed a sub-damage level earthquake is the most to be expected and that the geologic features of the Enola Swarm Area limit the potential seismic magnitude to 4.5. Finally, neither expert believed that the damages that might arise from such a seismic event would result in damages beyond broken windows or cracks in the driveway.