Directive 017: Measurement Requirements for Oil and Gas ...

1 Directive 017 Directive 017: Measurement Requirements for Oil and Gas Operations (March 2022) i Release date: March 17, 2022 Effective date: March 17, 2022 Replaces previous edition issued May 12, 2020 Measurement Requirements for Oil and Gas Operations Contents .. 1 Purpose of This Directive .. 1 What s New in This Edition? .. 1 Intent .. 1 Definitions .. 2 1 Standards of Accuracy .. 1-1 Introduction .. 1-1 Applicability and Use of Uncertainties .. 1-1 Maximum Uncertainty of Monthly Volume .. 1-2 Single Point Measurement Uncertainty .. 1-3 Confidence Level.

2 1-3 Determination of Uncertainties .. 1-3 Example 1-4 Explanation of Standards of Accuracy .. 1-4 Oil Systems .. 1-4 Gas Systems .. 1-12 Injection/Disposal Systems .. 1-26 Standards of Accuracy Summary .. 1-29 Oil Systems .. 1-29 Gas Systems .. 1-29 Injection Systems .. 1-30 Measurement Schematics .. 1-30 Definitions .. 1-31 Measurement Schematic Requirements .. 1-32 Alberta Energy Regulator ii Directive 017: Measurement Requirements for Oil and Gas Operations (March 2022) Schematic Updates .. 1-34 Implementation .. 1-35 Schematic 1-35 Facility Delineation Requirements .

3 1-35 2 Calibration and Proving .. 2-1 Definitions .. 2-1 Applicability .. 2-2 Frequency .. 2-2 Accuracy of Provers and Calibration Instruments .. 2-3 Gas Meters .. 2-4 General Calibration Requirements .. 2-4 Gas Meter Internal Inspection .. 2-5 Orifice Meters .. 2-9 Electronic Flow Measurement 2-9 Liquid Meters .. 2-12 Oil Meters .. 2-18 Live Oil Meters .. 2-18 Dead Oil Meters .. 2-21 Condensate Meters .. 2-21 Condensate at Equilibrium Conditions .. 2-21 Condensate at Flow-line Conditions .. 2-21 Other Liquid Hydrocarbon Meters .. 2-22 Water Meters.

4 2-22 Product Analyzers .. 2-23 Automatic Tank Gauges .. 2-23 Inventory 2-23 Delivery Point Measurement .. 2-24 Using Tank Gauging for Oil Measurement .. 2-24 Inventory 2-24 Delivery Point Measurement .. 2-25 Weigh Scales .. 2-25 Exceptions .. 2-26 3 Proration Factors, Allocation Factors, and Metering Difference .. 3-1 Proration Factors and Allocation Factors .. 3-1 Description .. 3-1 Target Factors .. 3-3 Exception .. 3-4 Acceptable Proration Factors and Allocation Factor Ranges .. 3-4 Alberta Energy Regulator Directive 017: Measurement Requirements for Oil and Gas Operations (March 2022) iii Metering Difference.

5 3-5 Description .. 3-5 Target Metering Difference .. 3-6 4 Gas Measurement .. 4-1 General Requirements .. 4-1 Gas Measurement and Accounting Requirements for Various Battery/Facility Types .. 4-1 Oil/Bitumen 4-1 Gas 4-2 Base Requirements for Gas Measurement .. 4-11 System Design and Installation of Measurement Devices .. 4-11 Volumetric Calculations .. 4-16 Production Data Verification, Audit Trail, and Volumetric Data Amendments .. 4-19 Operations Base Requirements for Acceptable Gas Measurement and Reading of Gas Charts .. 4-24 Exceptions.

6 4-29 Electronic Flow Measurement (EFM) for Gas .. 4-36 Vent Gas Measurement Requirements .. 4-50 References .. 4-51 5 Site-Specific Deviation from Base Requirements .. 5-1 Specialized Terminology Defined .. 5-1 Site-Specific Examples .. 5-1 Site-Specific Approval Applications .. 5-2 Chart Cycles Extended Beyond the Required Time Period .. 5-3 Exceptions .. 5-3 Applications .. 5-5 Considerations of Site-specific Approvals .. 5-6 Gas Proration Outside Southeastern Alberta Shallow Gas Zones/Area .. 5-6 Exceptions .. 5-6 Applications .. 5-8 Considerations for Site-Specific Approval.

7 5-9 Measurement by Difference .. 5-9 Gas MbD .. 5-9 Oil MbD .. 5-17 Exceptions .. 5-19 Applications .. 5-26 Considerations for Site-Specific Approval .. 5-26 Fuel Gas MbD .. 5-28 Surface Commingling of Multiple Gas Zones/Wells .. 5-29 Alberta Energy Regulator iv Directive 017: Measurement Requirements for Oil and Gas Operations (March 2022) Exceptions .. 5-30 Applications .. 5-32 Considerations for Site-specific Approval .. 5-33 Gas Effluent Wells Exemption and Reduction for Testing Frequency .. 5-33 6 Conventional Oil Measurement .. 6-1 General Requirements .

8 6-1 General Measurement , Accounting, and Reporting Requirements for Various Battery Types .. 6-1 General Accounting Formula .. 6-1 Oil Batteries .. 6-1 Gas Batteries Producing Oil .. 6-3 Base Requirements for Oil Measurement .. 6-4 System Design and Installation of Measurement Devices .. 6-4 Volumetric Calculations .. 6-4 Production Data Verification and Audit Trail .. 6-5 Volumetric Data Amendments .. 6-6 Field Operations .. 6-8 Production Hours .. 6-8 Fluid Sampling Requirements for S&W Determination (and Density) .. 6-8 S&W Analysis .. 6-8 Proration Well Testing.

9 6-8 Oil Proration Battery Accounting and Reporting Requirements .. 6-10 Proration Estimated Volume 6-12 Calculate Proration Factors and Monthly Production .. 6-14 Condensate Receipts at an Oil Battery .. 6-14 Combined (Cascade Testing) .. 6-15 EFM for Oil Systems .. 6-16 Reporting Requirements and Scenarios Based on Alberta Energy Royalty Regimes for Wells Producing Oil .. 6-16 AER Classification Oil Wells .. 6-16 AER Classification Gas Well Producing Oil .. 6-19 7 Gas Proration Batteries .. 7-1 General Requirements .. 7-1 Group Measurement .. 7-2 Stabilized Flow and Representative Flow.

10 7-3 Gas Multiwell Proration SE Alberta Batteries .. 7-3 Group Measurement .. 7-4 Size of a SE Alberta Multiwell Gas Proration Battery .. 7-4 Alberta Energy Regulator Directive 017: Measurement Requirements for Oil and Gas Operations (March 2022) v Testing Requirements .. 7-4 Production Accounting and Reporting Requirements .. 7-5 Gas Multiwell Proration Outside SE Alberta 7-6 Well Testing Requirements .. 7-7 Production Volume Calculations .. 7-9 Exception .. 7-11 Gas Multiwell Effluent Measurement Proration Batteries .. 7-13 Well Testing .. 7-15 Production Volume Calculations.