Click on the company or penalty amount for more information on each case. Click on the current parent name to reach the summary page for that parent company.
| Company | Current Parent | Current Parent Industry  | Primary Offense Type | Year | Agency | Penalty Amount |
|---|---|---|---|---|---|---|
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $10,500 |
| PHILLIPS 66 PIPELINE | Phillips 66 | oil and gas | environmental violation | 2023 | CO-DPHE | $19,250 |
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $73,675 |
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $84,000 |
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $80,675 |
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $98,000 |
| Suncor Energy USA Inc. | Suncor Energy | oil and gas | environmental violation | 2023 | EPA | $300,030 |
| Crestone Peak Resources Operating | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-OIL | $5,000 |
| Kerr McGee Oil & Gas Onshore LP | Occidental Petroleum | oil and gas | environmental violation | 2023 | CO-OIL | $30,000 |
| Suncor Energy (U.S.A.) Inc. | Suncor Energy | oil and gas | air pollution violation | 2023 | EPA | $760,660 |
| CRESTONE PEAK | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-DPHE | $70,000 |
| CRESTONE PEAK | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-DPHE | $42,000 |
| Enterprise Products | Enterprise Products Partners | oil and gas | environmental violation | 2023 | CO-DPHE | $10,500 |
| Western Midstream Partners | Western Midstream Partners | oil and gas | environmental violation | 2023 | CO-DPHE | $171,675 |
| BONANZA CREEK | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-DPHE | $50,750 |
| CRESTONE PEAK | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-DPHE | $52,500 |
| PDC ENERGY | Chevron | oil and gas | environmental violation | 2023 | CO-DPHE | $31,500 |
| CRESTONE PEAK | Civitas Resources Inc. | oil and gas | environmental violation | 2023 | CO-DPHE | $82,425 |
| PDC Energy Inc. | Chevron | oil and gas | environmental violation | 2023 | CO-OIL | $29,668 |
| Suncor | Suncor Energy | oil and gas | air pollution violation | 2024 | CO-DPHE | $10,500,000 |
| PDC Energy Inc. | Chevron | oil and gas | environmental violation | 2023 | CO-OIL | $184,267 |
| CRESTONE PEAK | Civitas Resources Inc. | oil and gas | air pollution violation | 2023 | CO-DPHE | $105,350 |
| ENERPLUS | Enerplus | oil and gas | air pollution violation | 2023 | CO-DPHE | $56,000 |
| CHEVRON USA INC | Chevron | oil and gas | air pollution violation | 2023 | CO-DPHE | $45,500 |
| PDC ENERGY | Chevron | oil and gas | air pollution violation | 2023 | CO-DPHE | $24,500 |
| PIONEER NATURAL RESOURCES | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2007 | OSHA | $6,000 |
| TRAVEL CENTERS OF AMERICA | BP | oil and gas | workplace safety or health violation | 2008 | OSHA | $100,000 |
| KERR MCGEE ROCKY MOUNTAIN CORP. | Occidental Petroleum | oil and gas | workplace safety or health violation | 2003 | OSHA | $14,000 |
| ENCANA OIL & GAS (USA) INC. | Ovintiv Inc. | oil and gas | workplace safety or health violation | 2006 | OSHA | $15,000 |
| PIONEER NATURAL RESOURCES CO. | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2007 | OSHA | $7,500 |
| PIONEER NATURAL RSOURCES USA, INC. RIG #3 | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2007 | OSHA | $8,400 |
| PIONEER NARURAL RESOURCES USA, INC. RIG #1 | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2007 | OSHA | $5,100 |
| PIONEER NATURAL RESOURCES USA INC. | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2008 | OSHA | $7,000 |
| ENTERPRISE PRODUCTS OPERATING, LP | Enterprise Products Partners | oil and gas | workplace safety or health violation | 2008 | OSHA | $11,250 |
| NOBLE ENERGY PRODUCTION, INC. | Chevron | oil and gas | workplace safety or health violation | 2008 | OSHA | $7,000 |
| SUNCOR ENERGY (U.S.A.), INC. | Suncor Energy | oil and gas | workplace safety or health violation | 2008 | OSHA | $117,000 |
| NOBLE ENERGY, INC. | Chevron | oil and gas | workplace safety or health violation | 2009 | OSHA | $6,175 |
| PIONEER NATURAL RESOURCES | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2008 | OSHA | $11,325 |
| PIONEER NATURAL RESOURCES, INC. RIG #9616 | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2009 | OSHA | $7,600 |
| PIONEER NATURAL RESOURCES, INC. RIG #9629 | Pioneer Natural Resources | oil and gas | workplace safety or health violation | 2009 | OSHA | $7,600 |
| OCCIDENTAL PETROLEUM CORPORATION | Occidental Petroleum | oil and gas | workplace safety or health violation | 2011 | OSHA | $17,010 |
| WILLIAMS FIELD SERVICES KOSKIE | Williams Companies | oil and gas | workplace safety or health violation | 2012 | OSHA | $14,000 |
| SUNCOR ENERGY, INC. | Suncor Energy | oil and gas | workplace safety or health violation | 2012 | OSHA | $34,000 |
| DCP MIDSTREAM, LP | Phillips 66 | oil and gas | workplace safety or health violation | 2012 | OSHA | $19,334 |
| BP AMERICA PRODUCTION COMPANY | BP | oil and gas | workplace safety or health violation | 2012 | OSHA | $7,000 |
| ENCANA OIL AND GAS USA | Ovintiv Inc. | oil and gas | workplace safety or health violation | 2012 | OSHA | $7,000 |
| BARGATH LLC | Williams Companies | oil and gas | workplace safety or health violation | 2013 | OSHA | $7,854 |
| ENTERPRISE PRODUCTS PARTNERS L.P. | Enterprise Products Partners | oil and gas | workplace safety or health violation | 2013 | OSHA | $13,600 |
| ENTERPRISE PRODUCTS PARTNERS L.P. | Enterprise Products Partners | oil and gas | workplace safety or health violation | 2013 | OSHA | $11,050 |
| NOBLE ENERGY, INC. | Chevron | oil and gas | workplace safety or health violation | 2014 | OSHA | $6,000 |
| PDC ENERGY INC | Chevron | oil and gas | workplace safety or health violation | 2014 | OSHA | $5,500 |
| EXTRACTION OIL & GAS LLC | Civitas Resources Inc. | oil and gas | workplace safety or health violation | 2015 | OSHA | $7,000 |
| ANADARKO PETROLEUM CORPORATION | Occidental Petroleum | oil and gas | workplace safety or health violation | 2017 | OSHA | $18,832 |
| SUMMIT MIDSTREAM PARTNERS LLC | Summit Midstream Partners | oil and gas | workplace safety or health violation | 2019 | OSHA | $27,500 |
| THE WILLIAMS COMPANIES | Williams Companies | oil and gas | workplace safety or health violation | 2020 | OSHA | $11,470 |
| PRECISION DRILLING COMPANY, L.P. | Precision Drilling | oil and gas | workplace safety or health violation | 2022 | OSHA | $14,502 |
| PRECISION DRILLING COMPANY, L.P. | Precision Drilling | oil and gas | workplace safety or health violation | 2022 | OSHA | $11,187 |
| CHEVRON ENVIRONMENTAL MANAGEMENT COMPANY | Chevron | oil and gas | workplace safety or health violation | 2022 | OSHA | $174,031 |
| SUNCOR ENERGY (U.S.A.) INC. | Suncor Energy | oil and gas | workplace safety or health violation | 2022 | OSHA | $10,938 |
| Mr. Thomas Fisk | Chord Energy | oil and gas | water pollution violation | 2014 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $58,570 |
| Whiting Petroleum Corporation | Chord Energy | oil and gas | water pollution violation | 2004 | EPA | $5,000 |
| Kerr-McGee Oil & Gas | Occidental Petroleum | oil and gas | water pollution violation | 2007 | EPA | $157,500 |
| Encana Oil & Gas | Ovintiv Inc. | oil and gas | air pollution violation | 2010 | EPA | $83,900 |
| Conoco Phillips Company | ConocoPhillips | oil and gas | air pollution violation | 2011 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $198,000 |
| CONOCO PHILLIPS COMPANY | ConocoPhillips | oil and gas | drinking water violation | 2012 | EPA | $9,370 |
| Merit Energy | Merit Energy | oil and gas | water pollution violation | 2017 | EPA | $33,000 |
| Noble Energy Midstream Services, LLC | Chevron | oil and gas | water pollution violation | 2021 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,000,000 |
| BILL BARRETT ROTHE 43-30 | Civitas Resources Inc. | oil and gas | air pollution violation | 2019 | EPA | $550,000 |
| PDC ENERGY, INC. | Chevron | oil and gas | air pollution violation | 2020 | EPA | $5,700 |
| PDC ENERGY, INC. | Chevron | oil and gas | air pollution violation | 2020 | EPA | $5,700 |
| Kerr McGee Gathering | Occidental Petroleum | oil and gas | air pollution violation | 2021 | EPA | $9,752 |
| Suncor Energy USA | Suncor Energy | oil and gas | air pollution violation | 2017 | EPA | $170,000 |
| Suncor Energy (USA) Inc. | Suncor Energy | oil and gas | air pollution violation | 2023 | EPA | $760,660 |
| Patterson-UTI Drilling Company, LP, LLLP | Patterson-UTI Energy | oilfield services and supplies | employment discrimination | 2009 | EEOC | $45,000 |
| Complete Production Services, Inc. | Superior Energy Services | oilfield services and supplies | wage and hour violation | 2008 | WHD | $28,876 |
| Schlumberger Technology Corporation | Schlumberger | oilfield services and supplies | wage and hour violation | 2008 | WHD | $217,726 |
| Weatherford ALS LLC | Weatherford International | oilfield services and supplies | hazardous waste violation | 2006 | CO-DPHE | $13,000 |
| Halliburton Energy Services | Halliburton | oilfield services and supplies | air pollution violation | 2005 | CO-DPHE | $5,100 |
| Ensign United States Drilling Inc | Ensign Energy Services | oilfield services and supplies | motor vehicle safety violation | 2022 | FMCSA | $5,730 |
| PATTERSON UTI DRILLING COMPANY, LLP | Patterson-UTI Energy | oilfield services and supplies | workplace safety or health violation | 2005 | OSHA | $7,650 |
| PATTERSON- UTI DRILLING CO. | Patterson-UTI Energy | oilfield services and supplies | workplace safety or health violation | 2005 | OSHA | $11,900 |
| CALFRAC WELL SERVICES, LTD. | Calfrac Well Services | oilfield services and supplies | workplace safety or health violation | 2006 | OSHA | $27,825 |
| NABORS DRILLING USA, INC. | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2006 | OSHA | $11,690 |
| SCHLUMBERGER | Schlumberger | oilfield services and supplies | workplace safety or health violation | 2007 | OSHA | $5,475 |
| HALLIBURTON ENERGY SERVICES | Halliburton | oilfield services and supplies | workplace safety or health violation | 2007 | OSHA | $9,500 |
| PATTERSON-UTI ENERGY, INC. RIG #184 | Patterson-UTI Energy | oilfield services and supplies | workplace safety or health violation | 2008 | OSHA | $5,000 |
| NABORS DRILLING USA, LP | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2007 | OSHA | $11,500 |
| NABORS DRILLING USA, LP | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2007 | OSHA | $20,500 |
| NABORS DRILLING USA, LP | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2007 | OSHA | $13,925 |
| ENSIGN UNITED STATES DRILLING, INC. | Ensign Energy Services | oilfield services and supplies | workplace safety or health violation | 2008 | OSHA | $5,000 |
| NABORS DRILLING USA | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2009 | OSHA | $5,500 |
| NABORS DRILLING USA | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2009 | OSHA | $9,000 |
| KEY ENERGY SERVICES, INC. | Key Energy Services | oilfield services and supplies | workplace safety or health violation | 2009 | OSHA | $6,375 |
| HELMERICH & PAYNE INTERNATIONAL DRILLING CO. | Helmerich & Payne | oilfield services and supplies | workplace safety or health violation | 2009 | OSHA | $7,240 |
| ENSIGN UNITED STATES DRILLING INC. | Ensign Energy Services | oilfield services and supplies | workplace safety or health violation | 2010 | OSHA | $7,000 |
| NABORS DRILLING USA, LP | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2010 | OSHA | $18,000 |
| HALLIBURTON ENERGY SERVICES | Halliburton | oilfield services and supplies | workplace safety or health violation | 2011 | OSHA | $11,000 |
| HALLIBURTON ENERGY SERVICES | Halliburton | oilfield services and supplies | workplace safety or health violation | 2012 | OSHA | $7,000 |
| KEY ENERGY SERVICES LLC | Key Energy Services | oilfield services and supplies | workplace safety or health violation | 2012 | OSHA | $7,000 |
| PATTERSON-UTI DRILLING COMPANY LLC | Patterson-UTI Energy | oilfield services and supplies | workplace safety or health violation | 2012 | OSHA | $7,650 |
| NABORS COMPLETION & PRODUCTION SERVICES | Nabors Industries | oilfield services and supplies | workplace safety or health violation | 2012 | OSHA | $5,100 |
