The Oklahoma Corporation Commission’s (OCC) Oil and Gas Conservation Division announced it is implementing the largest volume reduction plan yet for oil and gas disposal wells in western Oklahoma. The plan covers 5,281 square miles and 245 disposal wells injecting waste water into the Arbuckle formation.
OGCD director Tim Baker said in conjunction with the 191,000 barrel a day reduction plan, which begun in Fairview recently, the total volume cutback for the entire area will be more than half a million barrels a day, or about 40 percent. Baker said the earthquake activity in the region demands a regional response.
“We have taken a number of actions in the Medford, Fairview, and Cherokee areas,” said Baker. “However, there is agreement among researchers, include our partners at the Oklahoma Geological Survey, that the data clearly underscored the need for a larger, regional response. That is why, even as we took actions in various parts of the region in response to specific earthquake events, we were already working on a larger plan.”
Baker said while the plan is a response to the continued seismicity in the area, the action will also include areas that are not yet experiencing major earthquakes.
“The wells covered in this plan include those along the western area of the plan’s boundaries where there has not yet been major earthquake activity,” said Baker. “This plan is aimed not only at taking further action in response to past activity, but also to get out ahead of it and hopefully prevent new areas from being involved.”
The plan will be phased in over four stages over two months as recommended by researchers, who caution again sudden pressure changes. Meanwhile, staff continues to work on other areas of the state, helped greatly by recent cash infusions, according to the OCC.
“The emergency funding from Governor Fallin and a new grant from the Oklahoma Energy Resources Board and the Groundwater Protection Council enable us to add badly needed equipment and staff ,” Baker said. “As we continue to go forward, we will continue to focus of regional approaches as supported by the latest data.”
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