Directive 017: Measurement Requirements For Oil And Gas .

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Directive 017Release date: May 12, 2020Effective date: May 12, 2020Replaces previous edition issued December 13, 2018Measurement Requirements for Oil and Gas OperationsContentsIntroduction. 1Purpose of This Directive . 1What’s New in This Edition? . 1Intent . 1Definitions . 21Standards of Accuracy . 1-11.1Introduction . 1-11.2Applicability and Use of Uncertainties . 1-11.3Maximum Uncertainty of Monthly Volume . 1-21.4Single Point Measurement Uncertainty . 1-31.5Confidence Level . 1-31.6Determination of Uncertainties . 1-31.6.11.71.81.9Example Calculation. 1-4Explanation of Standards of Accuracy . 1-41.7.1Oil Systems . 1-41.7.2Gas Systems . 1-121.7.3Injection/Disposal Systems . 1-26Standards of Accuracy – Summary . 1-291.8.1Oil Systems . 1-291.8.2Gas Systems . 1-291.8.3Injection Systems . 1-30Measurement Schematics . 1-30Definitions . 1-311.9.1Measurement Schematic Requirements . 1-32Directive 017: Measurement Requirements for Oil and Gas Operations (May 2020) i

Alberta Energy Regulator1.1021.9.2Schematic Updates . 1-341.9.3Implementation . 1-351.9.4Schematic Availability. 1-35Facility Delineation Requirements . 1-35Calibration and Proving . 2-12.1Definitions . 2-12.2Applicability . 2-22.3Frequency . 2-22.4Accuracy of Provers and Calibration Instruments . 2-32.5Gas Meters . 2-42.5.1General Calibration Requirements . 2-42.5.2Gas Meter Internal Inspection . 2-52.5.3Orifice Meters . 2-92.5.4Electronic Flow Measurement Calibration. 2-92.6Liquid Meters . 2-122.7Oil Meters . 2-182.82.7.1Live Oil Meters . 2-182.7.2Dead Oil Meters . 2-21Condensate Meters . 2-212.8.1Condensate at Equilibrium Conditions . 2-212.8.2Condensate at Flow-line Conditions . 2-212.9Other Liquid Hydrocarbon Meters . 2-222.10Water Meters . 2-222.11Product Analyzers . 2-232.12Automatic Tank Gauges . 2-232.132.142.12.1Inventory Management. 2-232.12.2Delivery Point Measurement . 2-24Using Tank Gauging for Oil Measurement . 2-242.13.1Inventory Measurement. 2-242.13.2Delivery Point Measurement . 2-25Weigh Scales . 2-25Exceptions . 2-263Proration Factors, Allocation Factors, and Metering Difference . 3-13.1iiProration Factors and Allocation Factors . 3-13.1.1Description . 3-13.1.2Target Factors . 3-33.1.3Exception . 3-43.1.4Acceptable Proration Factors and Allocation Factor Ranges . 3-4Directive 017: Measurement Requirements for Oil and Gas Operations (May 2020)

Alberta Energy Regulator3.24Metering Difference . 3-53.2.1Description . 3-53.2.2Target Metering Difference . 3-6Gas Measurement . 4-14.1General Requirements . 4-14.2Gas Measurement and Accounting Requirements for Various Battery/Facility Types . 4-14.34.2.1Oil/Bitumen Batteries. 4-14.2.2Gas Batteries/Facilities. 4-2Base Requirements for Gas Measurement . 4-114.3.1System Design and Installation of Measurement Devices . 4-114.3.2Volumetric Calculations . 4-164.3.3Production Data Verification, Audit Trail, and Volumetric Data Amendments . 4-194.3.4Operations – Base Requirements for Acceptable Gas Measurement andReading of Gas Charts . 4-244.454.3.5Exceptions . 4-294.3.6Electronic Flow Measurement (EFM) for Gas . 4-364.3.7Vent Gas Measurement Requirements . 4-50References . 4-51Site-Specific Deviation from Base Requirements. 5-1Specialized Terminology Defined . 5-15.1Site-Specific Examples . 5-15.2Site-Specific Approval Applications . 5-25.3Chart Cycles Extended Beyond the Required Time Period . 5-35.45.55.65.3.1Exceptions . 5-35.3.2Applications . 5-55.3.3Considerations of Site-specific Approvals . 5-6Gas Proration Outside Southeastern Alberta Shallow Gas Zones/Area . 5-65.4.1Exceptions . 5-65.4.2Applications . 5-85.4.3Considerations for Site-Specific Approval . 5-9Measurement by Difference . 5-95.5.1Gas MbD . 5-95.5.2Oil MbD . 5-175.5.3Exceptions . 5-195.5.4Applications . 5-265.5.5Considerations for Site-Specific Approval . 5-265.5.6Fuel Gas MbD . 5-28Surface Commingling of Multiple Gas Zones/Wells . 5-29Directive 017: Measurement Requirements for Oil and Gas Operations (May 2020) iii

Alberta Energy Regulator5.765.6.1Exceptions . 5-305.6.2Applications . 5-325.6.3Considerations for Site-specific Approval . 5-33Gas Effluent Wells Exemption and Reduction for Testing Frequency . 5-33Conventional Oil Measurement . 6-16.1General Requirements . 6-16.2General Measurement, Accounting, and Reporting Requirements for Various BatteryTypes . 6-16.36.46.56.2.1General Accounting Formula . 6-16.2.2Oil Batteries . 6-16.2.3Gas Batteries Producing Oil . 6-3Base Requirements for Oil Measurement . 6-46.3.1System Design and Installation of Measurement Devices . 6-46.3.2Volumetric Calculations . 6-46.3.3Production Data Verification and Audit Trail . 6-56.3.4Volumetric Data Amendments . 6-6Field Operations . 6-86.4.1Production Hours . 6-86.4.2Fluid Sampling Requirements for S&W Determination (and Density) . 6-86.4.3S&W Analysis . 6-86.4.4Proration Well Testing . 6-8Oil Proration Battery Accounting and Reporting Requirements . 6-106.5.1Proration Estimated Volume Calculation. 6-126.5.2Calculate Proration Factors and Monthly Production. 6-146.6Condensate Receipts at an Oil Battery . 6-146.7Combined (Cascade Testing) . 6-156.8EFM for Oil Systems . 6-166.9Reporting Requirements and Scenarios Based on Alberta Energy Royalty Regimesfor Wells Producing Oil . 6-1676.9.1AER Classification – Oil Wells . 6-166.9.2AER Classification – Gas Well Producing Oil . 6-19Gas Proration Batteries . 7-17.17.2General Requirements . 7-17.1.1Group Measurement . 7-27.1.2Stabilized Flow and Representative Flow . 7-3Gas Multiwell Proration SE Alberta Batteries . 7-37.2.1Group Measurement . 7-47.2.2Size of a SE Alberta Multiwell Gas Proration Battery . 7-4iv Directive 017: Measurement Requirements for Oil and Gas Operations (May 2020)

Alberta Energy Regulator7.37.47.57.2.3Testing Requirements . 7-47.2.4Production Accounting and Reporting Requirements . 7-5Gas Multiwell Proration Outside SE Alberta Batteries. 7-67.3.1Well Testing Requirements . 7-77.3.2Production Volume Calculations . 7-97.3.3Exception . 7-11Gas Multiwell Effluent Measurement Proration Batteries . 7-137.4.1Well Testing . 7-157.4.2Production Volume Calculations . 7-237.4.3Sampling and Analysis Requirements . 7-277.4.4Exception . 7-28Well Effluent Measurement in the Duvernay and Montney Plays . 7-297.5.1Qualifying Criteria . 7-307.5.2Measurement System Requirements . 7-317.5.3Operational Scenario 1 – Hydrocarbon Liquids are Recombined into theGathering System. 7-337.5.4Operational Scenario 2 – Hydrocarbon Liquids are Delivered to Sales at theBattery . 7-377.5.5Exception for the Number of Test Separators Tha

Directive 017: Measurement Requirements for Oil and Gas Operations (May 2020) i. Directive 017 . Release date: May . 12, 2020 Effective date: May . 12, 2020 Replaces previous edition issued December 13, 2018 . Measurement Requirements for Oil and Gas Operations . Contents

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