Document YGxQ7yQ35JyOggbrJBVMpLg4K

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 2/12/2020 Water Brine - CWA Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Perdure Petroleum, LLC NBU 8-11 36.7374, -96.7514 (NE Sect. 10, T 27N, R 5E) Shidler, Oklahoma 74652 12012 Wickchester Lane, Suite 660 Houston, Texas 77079 Osage County 918-793-2881 Carl Thunmen cthunem@perdurepetro.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A OKU000803 N/A 21111 1311 Personnel participating in inspection: Kent W. Sanborn EPA 6 ECDWE Environmental Engineer EPA Lead Inspector Signature/Date Supervisor Signature/Date Kent W. Sanborn Digitally signed by Kent W. Sanborn DN: cn=Kent W. Sanborn, o, ou=6EN-WR, email=sanborn.kent@epa.gov, c=US Date: 2020.03.25 11:01:25 -05'00' Kent W. Sanborn GUY TIDMORE Digitally signed by GUY TIDMORE DN: c=US, o=U.S. Government, ou=Environmental Protection Agency, cn=GUY TIDMORE, 0.9.2342.19200300.100.1.1=68001003655426 Date: 2020.03.31 16:19:32 -05'00' Guy Tidmore Date 31 MAR 2020 Date 6ENFORM-020-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Perdure Petroleum, LLC / NBU 8-11 Inspection Date: 02/12/2020 PURPOSE OF THE INSPECTION EPA Region 6 inspector K.W. Sanborn visited the Perdure Petroleum, LLC oil and gas facility located near Shidler, Oklahoma on 02/12/2020 for an unannounced inspection. There were no representatives of Perdure Petroleum, LLC present for the inspection. The inspection was conducted by authority of the Clean Water Act and the Safe Drinking Water Act to determine compliance with the Environmental Protection Agency (EPA) regulations. FACILITY DESCRIPTION A previous spill site was near the facility NBU 8-11. The spill site had a previous enforcement action open under docket number: CWA-06-2014-1775 and EPA ID No. OKU000803. EPA conducted up this follow up inspection to assess the current site conditions. Section II - OBSERVATIONS I observed no evidence of produced water surface damage at the site. The vegetation, including grass was present surrounding the facility. I observed that the nearby creek was flowing. With a calibrated, I took a Total Dissolved Solids (TDS) measurement of the nearby creek and it was 740 milligrams per liter (mg/L). Section III - AREAS OF CONCERN N/A Section IV - FOLLOW UP N/A Section V - LIST OF APPENDICES N/A 2