Methane Emissions Monitoring and Reduction

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1. 1

   Why Methane Matters

   • Methane: The Gas and Its Properties
   • Global Warming Potential and Methane’s Share of Warming
   • Oil and Gas in the Global Methane Picture
   • The Business Value of Saved Gas
2. 2

   Where Methane Comes From in Oil and Gas

   • Vented, Fugitive and Combustion Emissions
   • Venting from Storage Tanks and Glycol Dehydrators
   • Pneumatic Devices and Compressor Seals
   • Well Completions, Liquids Unloading and Blowdowns
   • Fugitive Leaks and Incomplete Combustion
3. 3

   Quantifying and Reporting Methane

   • Emission Factors and Activity Data
   • Engineering Calculations and Direct Measurement
   • Bottom-Up, Top-Down and Reconciliation
   • The OGMP 2.0 Reporting Framework and Its Five Levels
4. 4

   Detecting Leaks and Running an LDAR Programme

   • Optical Gas Imaging Cameras
   • Method 21 and Handheld Detectors
   • Continuous Sensors, Drones, Aircraft and Satellites
   • Planning LDAR: Scope, Frequency and Finding Leaks
   • Repair, Verification and LDAR Records
5. 5

   Reducing Methane Emissions

   • Replacing High-Bleed Pneumatic Devices
   • Capturing Tank Vapours and Fixing Compressor Seals
   • Reduced Emission Completions and Minimising Blowdowns
   • Flaring, Zero Routine Flaring and Electrification
   • Marginal Abatement Cost: Choosing What to Do First
6. 6

   Rules, Roles and Reporting Culture

   • Methane Regulations and Initiatives in Outline
   • Roles of Operators, Technicians, Engineers and Managers
   • Data Quality and an Open Reporting Culture
   • Putting It Together: A Facility Methane Walk-Through