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Citation Label: OK012
Publication Name: Moving Forward - New protocol to further address seismicity in state’s largest oil and gas play
Publication Type: News
Section Name:
Author Name: Oklahoma Corporation Commission
Other Authors: Skinner, Matt
Contractor Name:
Publication Year: 2018
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External Link:

http://www.occeweb.com/og/02-27-18PROTOCOL.pdf

Local Source File: OK012_MovingForward.pdf
Annotation: OGCD Director Tim Baker says the protocol met with full cooperation from the oil and gas industry, but the data gathered since it went into effect supports new actions. “The overall induced earthquake rate has decreased over the past year, but the number of felt earthquakes that may be linked to well completion activity, including hydraulic fracturing, in the SCOOP and STACK has increased,” noted Baker. “These events are relatively rare and smaller on average than those linked to injection activity. Most importantly, the risk of such events appears to be manageable. Learning how to mitigate the risk of causing such events is an ongoing process. The changes we are announcing today are part of that process.” Among the changes being made in the seismicity protocol: 1) All operators in the defined area will be required to have access to a seismic array that will give real-time seismicity readings. 2) The minimum level at which the operator must take action has been lowered from a 2.5 magnitude (ML) to 2.0 ML. Generally, the minimum level at which earthquakes can be felt is about 2.5 ML. 3) Some operators will have to pause operations for 6 hours at 2.5 ML. Under the previous protocol, the minimum level requiring a pause was 3.0ML.
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