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Home My WebLink AboutDAQ-2024-0082101 DAQC-PBR153660001-24 Site ID 15366 (B1) MEMORANDUM TO: FILE – OVINTIV USA INC. – Ute Tribal 5-2-4-1E THROUGH: Rik Ombach, Minor Source Oil and Gas Compliance Section Manager FROM: Stephen Foulger, Environmental Scientist DATE: January 3, 2024 SUBJECT: OIL AND GAS PERMIT-BY-RULE EVALUATION INSPECTION DATE: November 30, 2023 SOURCE LOCATION: Ute Tribal 5-2-4-1E Lat:40.16603 Long: -109.85634 Business Office: 370 17th Street, Suite 1700 Denver, CO 80202 SOURCE TYPE: Tank Battery Uintah County API: 4304751288 SOURCE CONTACTS: Brandon Lithgoe, Local Contact Phone: 281-847-6093, Email: brandon.lithgoe@ovintiv.com Ryan Zillner, Local Contact Phone: 720-876-3144, Email: ryan.zillner@ovintiv.com OPERATING STATUS: Operating PROCESS DESCRIPTION: Oil and gas products are brought to the surface. These products go through a separator where the oil and any water products are sent to storage tanks and the gas is used to power equipment on site (pump jack engine, tank heater, separator, flare, combustor, etc.) Any remaining gas is sent to a pipeline that feeds a local gas plant. The oil and process water in the storage tanks is loaded into tanker trucks and hauled off-site for processing and disposal. APPLICABLE REGULATIONS: Utah Administrative Code (UAC) R307-500 Series for the Oil and Gas Industry, and UAC R307-201: Emission Standards: General Emission Standards; and UAC R307-150: Emission Inventories, and 40 CFR 60 Subpart JJJJ, 40 CFR 60 Subpart OOOO. 2 SOURCE EVALUATION: Site Type: PBR- Uncontrolled No Flare Controls Site powered by Engine The source registered: 7999 Estimated Oil BBL. DOGM current 12 month rolling production is: 2,933. Utah Statute R307-506 requires a source with throughput greater than 8,000 BBLs to have controls. REGISTERED EQUIPMENT: Engine - Engine - Natural Gas 2-Stroke Lean Burn Make - Arrow Model - L-795 Mfg Year - 2010 Horse Power - 65 Combustion - natural gas, Pneumatic, Tank General Provisions VOC emissions are minimized as reasonably practicable by equipment design, maintenance and operation practices. [R307-501-4(1)] Non-Compliant. One small emissions leak was detected at the time of inspection. The source is registered with the DAQ. [R307-505-3(3)] In Compliance. Source found properly registered at the time of inspection. Registration has been updated within 30 days of a company name change, removal or addition of control devices, or termination of operations. [R307-505-3(3)] In Compliance. Storage Vessels Thief hatches are kept closed and latched. [R307-506-4(1)] In Compliance. Thief hatches found closed and latched at the time of the inspection. Upon modification, the well site was re-evaluated against the thresholds of R307-506-4(2). [R307-506-4(6)] In Compliance. Combustor removed from source after production levels dropped to appropriate amounts. Records for each of the following are kept for three years: Storage vessel vent system inspections (openings, thief hatches, pressure relief devices, bypasses, etc.), if required Monthly crude oil throughput Emission calculations, actuals and sampling data when used to justify an exemption to storage vessel rules Emergency storage vessel usage (dates used, emptied, and volumes), if not controlled per R307-506-4(2) [R307-506-5] In Compliance. 3 Visible Emissions Visible emissions, except for unavoidable irregularities that do not exceed three minutes, are within the following opacity limits: Installations constructed on or before 4/25/1971 40% Installations constructed after 4/25/1971 20% Gasoline engines 0% Diesel engines manufactured after 1/1/1973 20% Diesel engines manufactured before 1/1/1973 40% Note: Required VOC control devices shall have no visible emissions per R307-508-3. [R307-201-3] In Compliance. No visible emissions were observed at the time of inspection. Emission Inventory: An emissions inventory has been submitted within the past three years. [R307-150-9(1)] In Compliance. Source found properly reported in the 2020 emissions inventory. NSPS (Part 60) JJJJ: Standards of Performance for Stationary Spark Ignition Internal Combustion Engines [40 CFR 60 Subpart JJJJ] In Compliance. NSPS (Part 60) OOOO: Standards of Performance for Crude Oil and Natural Gas Production, Transmission and Distribution [40 CFR 60 Subpart OOOO] In Compliance. PREVIOUS ENFORCEMENT ACTIONS: No enforcement actions within the past five years. COMPLIANCE STATUS & RECOMMENDATIONS: In regards to: Ute Tribal 5-2-4-1E: Out of Compliance – Source was found non-compliant at the time of inspection. The small leak that was found was repaired in a timely manner. No further action is recommended at this time. RECOMMENDATION FOR NEXT INSPECTION: Recommend to keep the inspection frequency the same. ATTACHMENTS: None.