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Talk delivered at CIR Series http://www.hvm-uk.com/events/register/

Talk delivered at CIR Series http://www.hvm-uk.com/events/register/

Published in: Technology

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  • 1. NPL Management Ltd - Commercial Fugitive emissions measurements from shale gas exploitation Marieke Beckmann Research Lead, Centre for Carbon Measurement 6th Smart Grids & Cleanpower Conference 3-4 June 2014, Cambridge, UK www.hvm-uk.com
  • 2. NPL Management Ltd - Commercial What is NPL? •  World-leading science and technology laboratory •  Directly-owned by BIS •  550+ staff •  Working with and for business, academia and government •  Science with impact
  • 3. NPL Management Ltd - Commercial What are Fugitive Emissions? •  Emissions which are not controlled à Generally from seals, valves, or other components •  Emissions estimated from leak detection and repair programmes – the most common way of controlling emissions in the Oil / Gas sector •  Regulations are usually based on models and calculated emissions
  • 4. NPL Management Ltd - Commercial Why do we care about fugitive emissions? •  Health and safety •  Methane global warming potential 86 (GWP20) and 34 (GWP100) times that of CO2 •  No direct emission regulation specifically on methane •  UK GHG reduction targets under Climate Change Act •  Reported under national inventories •  Reported under permit/licence? •  Concerns from US experience – opportunity in Europe to understand emissions before regulation •  Economic waste
  • 5. NPL Management Ltd - Commercial Call for measurement •  DECC – September 2013 à .. there should be a detailed scientific research programme of methane measurement, aimed at better understanding and characterising sources and quantities of methane emissions associated with shale gas operations •  Commission - January 2014 à .. Member States should ensure that the operator monitors the following operational parameters: (e) air emissions of methane, other volatile organic compounds and other gases that are likely to have harmful effects on human health and/or the environment
  • 6. NPL Management Ltd - Commercial Potential fugitive emissions from unconventional gas •  Different stages Drilling Hydraulic Fracturing Well Testing Production •  Venting (pressure relief, actuators) •  Leaks (piping and components, processing) •  Flares (flare efficiency) •  Tanking/removals
  • 7. Climate-KICNPL Management Ltd - Commercial Climate KIC: FuME Project (Quantifying Fugitive Methane Emissions from hard-to-tackle sites and sources) 7
  • 8. Climate-KICNPL Management Ltd - Commercial 8 Project partners FuME Project
  • 9. Climate-KICNPL Management Ltd - Commercial 9 Aim What? •  To create a commercial Methane Measurement Service for municipal waste water treatment plants, shale gas extraction and gas distribution industries FuME Project How? •  Apply and enhance two existing technologies and develop and test new continuous monitoring instruments
  • 10. Climate-KICNPL Management Ltd - Commercial 10 Justification •  High GWP of methane, 24-72 CO2e •  Regulation of methane is increasingly likely •  Recovered fugitive emissions such as methane are a saleable gas •  Cost-effective: 35 % of methane abatement options have a net profit and low mitigation costs can lead to large emission reductions FuME Project
  • 11. Climate-KICNPL Management Ltd - Commercial 11 Current state of the art •  Differential Absorption Lidar (DIAL) provides identification and quantification of methane emissions from fugitive and area sources o  Mainly applied so far to landfill and large gas / refinery / petrochemical facilities o  Provides relatively short term ‘spot’ measurements •  Point sensors provide continuous measurement at a specific location o  Cavity ring down systems (e.g. Picarro, Tiger Optics) accurate but high cost o  Can use reverse modelling to estimate emissions – but need methodology to define best locations for sensors o  A number of low cost sensors commercially available, but less accurate •  Open path systems o  Developed for other gases, generally used for safety monitoring in methane context •  Models provide forecast concentrations based on knowledge of source terms o  Easy to implement and validated in direct dispersion mode o  Very detailed meteorological and dispersion models required for inverse mode o  Relatively complex to implement in inverse mode FuME Project
  • 12. Climate-KICNPL Management Ltd - Commercial 12 Products Several products/services developed by the project, aimed at cost effective continuous monitoring of fugitive methane, for example •  Methane Impact Assessment and Sensor Placement tool o  Designed as a screening tool, to allow the industrial facility to carry out scenario comparison and sensor network optimisation •  Methane Measurement Service o  Continuous monitoring system of CH4 emissions of an industrial site using a network of sensors and inverse modelling o  Several versions depending upon the size and complexity of the site (including for example DIAL remote sensing measurements to provide high- accuracy snapshot and calibrate sensors) •  Methane boundary Fence Leak Detection Instrument o  Open path sensor for long term boundary fence measurements o  May come with inverse modelling The above may change based on the results of the research FuME Project
  • 13. Climate-KICNPL Management Ltd - Commercial 13 Main outputs •  Methane measurement service and individual products •  Set of guidelines per industry for fugitive methane emission measurement best practice •  Standards development: o  CEN standard on fugitive emissions from the oil and gas sector o  Proposal for a new work item based on the methodology that we develop to committee TC264 o  Feed into the relevant Best Available Technology Reference (BREF) committees at the JRC The above may change based on the results of the research FuME Project
  • 14. NPL Management Ltd - Commercial Centre for Carbon Measurement Climate data Provide confidence and reduce uncertainties in climate data used for monitoring and modelling Carbon markets & accounting Support tax, trade and regulatory instruments for carbon pricing and reporting Low carbon technologies Accelerate development and assess performance of low carbon technologies Thank you! Marieke Beckmann, Research Lead Centre for Carbon Measurement E: marieke.beckmann@npl.co.uk