Two lawsuits were filed within days of each other in Oklahoma, claiming that energy companies engaged in hydraulic fracturing and underground disposal of produced water are causing earthquakes throughout the state. These lawsuits probably come as no surprise to the industry after the Sierra Club recently threatened to sue four oil companies for contributing to increased earthquakes in Oklahoma and southern Kansas.

A pair of Oklahoma residents, in a class-action lawsuit, have accused four energy companies of causing “a dramatic increase” in earthquakes throughout the state during the last five years. The lawsuit names Sandridge Exploration and Production, Chesapeake Operating, Devon Energy Production Company, and New Dominion as the defendants.

The plaintiffs claim that hydraulic fracturing and underground disposal of produced water are causing earthquakes across the state by increasing the pore pressure within faults making the fault more prone to slip.

The lawsuit alleges that the companies are liable to the plaintiffs and the class for nuisance, trespass, negligence, and engaging in an ultra-hazardous activity. The plaintiffs are seeking not only compensatory damages, but also punitive damages and attorneys’ fees.
Continue Reading Two Frackquake Lawsuits Filed in Oklahoma