EPA v. CHAPARRAL-ATLANTIC-2

Case summary

VIOLATIONS: ENVIRONMENTAL PROTECTION AGENCY (EPA) REGULATIONS REQUIRE THE OWNER OR OPERATOR OF AN INJECTION WELL TO COMPLY WITH PERMIT CONDITIONS. RESPONDENT’S PERMIT FOR ONE WELL INCLUDED IN THIS ENFORCEMENT ACTION LIMITS INJECTION TO 27,000 BARRELS PER MONTH. RESPONDENT HAS VIOLATED THIS LIMIT DURING 21 OF THE PAST 28 MONTHS. RESPONDENT VIOLATED THE INJECTION PRESSURE OF 150 PSIG DURING 10 OF 13 MONTHS SPANNING THE PAST TWO YEARS. REMEDY: RESPONDENT MUST COMPLY WITH PERMIT LIMITS IN THE FUTURE. AUTHORIZATION TO INJECT WOULD BE SUSPENDED FOR THREE MONTHS FOR FUTURE VIOLATION OF PERMIT INJECTION PRESSURE OR VOLUME LIMITS AND THE EFFECTIVE PERIOD OF THE ORDER WOULD BE EXTENDED FOR 12 MONTHS.. PENALTY: NONE

Defendants (1)

• CHAPARRAL ENERGY, LLCNamed in complaintNamed in settlement

Facilities (2)

• OS5733 - WELL NO. SHIDLER 8 (E)

  SW/4, SEC. 20, T25N, R 8E, PAWHUSKA, OK, 74056

  Registry ID: 110028111558

• OS5700 - WELL NO. 3 (E)

  SW/4, SEC. 20, T25N, R 8E, PAWHUSKA, OK, 74056

  Registry ID: 110020686541

Statutes cited

• SDWA 1422/1423 — UIC Regulations Classes I - V
• SDWA 1421 — UIC Regulations

Enforcement conclusions (1)

• CHAPARRAL-ATLANTIC-2entered 2008-09-19

  Primary law: SDWA

Timeline (4 milestones)

• 2008-03-10Complaint Filed/Proposed Order
• 2008-09-19Final Order Issued
• 2008-09-23Enforcement Action Data Entered
• 2008-10-21Enforcement Action Closed