Hi Folks,
Just a quick update on the earthquake Friday night near Prague, Oklahoma. It measured 5.1 on the Moment Magnitude scale and was (interestingly) believed to be shallow at 1.8 km, although the error margin on that is 0.26 (up or down).
Looks to us like this earthquake straddles a well-delineated fault. There were some reports of damage with people reporting scattered dishes and household items, cracked drywall in houses, and some tumbled exterior brick. No injuries have been reported since Saturday afternoon, however.
The Oklahoma OCC has restricted all injection within ten miles of the event. It won’t surprise us if injection is (permanently) banned from this seemingly active fault, given its history.
LEARN ALL ABOUT THIS AND MORE TOMORROW!
If you want to learn even more about seismicity, bottomhole pressures, and managing a safe oilfield, join us tomorrow on the opening day for the Annual Produced Water Society meeting in Houston. We’ll be talking about subsurface risk management Tuesday afternoon – led by our panel including experts from Chevron and the University of Texas Bureau of Economic Geology, along with updates from Oklahoma!
