Nov 21 (Reuters) - Jericho Oil Corp JCO.V :
* Jericho Oil Oklahoma Corp has been named as one of 27 defendants in class action petition filed in district court of Pawnee County Oklahoma
* No specific damage amount is alleged in action
* Petition alleges that named oil and gas companies caused man-made earthquakes through disposal of fracking wastewater Source text for Eikon: Further company coverage: JCO.V