discovering new opportunities for reducing methane emissions
DESCRIPTION
Discovering New Opportunities for Reducing Methane Emissions. Lessons Learned from Natural Gas STAR Producers Technology Transfer Workshop ExxonMobil Production Company, American Petroleum Institute and EPA’s Natural Gas STAR Program September 21, 2004. New Opportunities: Agenda. - PowerPoint PPT PresentationTRANSCRIPT
Discovering New Opportunities for Discovering New Opportunities for Reducing Methane EmissionsReducing Methane Emissions
Lessons Learned Lessons Learned from Natural Gas STARfrom Natural Gas STAR
Producers Technology Transfer WorkshopProducers Technology Transfer Workshop
ExxonMobil Production Company,ExxonMobil Production Company,American Petroleum Institute and American Petroleum Institute and EPA’s Natural Gas STAR ProgramEPA’s Natural Gas STAR Program
September 21, 2004September 21, 2004
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New Opportunities: AgendaNew Opportunities: Agenda
Methane LossesMethane Losses
Methane RecoveryMethane Recovery
Creative Technology CombinationsCreative Technology Combinations
New Technology DevelopmentsNew Technology Developments
Discussion QuestionsDiscussion Questions
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Methane LossesMethane Losses
89 Bcf methane lost to atmosphere annually 89 Bcf methane lost to atmosphere annually from natural gas productionfrom natural gas production
60 Bcf methane lost to atmosphere annually 60 Bcf methane lost to atmosphere annually from oil productionfrom oil production
Both after 26 Bcf of Gas STAR savingsBoth after 26 Bcf of Gas STAR savings Gas prices at all-time highs!Gas prices at all-time highs! Mitigating the remaining losses is becoming Mitigating the remaining losses is becoming
more and more profitablemore and more profitable
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Where are the Opportunities?Where are the Opportunities?
Production emissions sourcesProduction emissions sources
Pneumatic Devices59 Bcf
Dehydrators andPumps14 Bcf
Meters and Pipeline Leaks11 Bcf
Gas Engine Exhaust12 Bcf
Well Venting and Flaring12 Bcf Storage Tank
Venting23 Bcf
Other Sources 18 Bcf
Inventory of U.S. Inventory of U.S. Greenhouse Gas Greenhouse Gas
Emissions and Sinks Emissions and Sinks 1990 - 2002 1990 - 2002
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Methane RecoveryMethane Recovery
Revisit Natural Gas STAR opportunities that are now Revisit Natural Gas STAR opportunities that are now more economic with rising gas pricesmore economic with rising gas prices
Consider combinations of known opportunities that are Consider combinations of known opportunities that are collectively economiccollectively economic
Identify new areas for profitable methane emissions Identify new areas for profitable methane emissions reductionsreductions
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Revisit Natural Gas STAR OpportunitiesRevisit Natural Gas STAR Opportunities
Producer Partner Reported OpportunitiesProducer Partner Reported Opportunities Evaluate or re-evaluate Natural Gas STAR Evaluate or re-evaluate Natural Gas STAR
practices and technologiespractices and technologies Newly published Partner Reported OpportunitiesNewly published Partner Reported Opportunities
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Consider Technology Combinations:Consider Technology Combinations:Capture Pneumatic GasCapture Pneumatic Gas
Emissions: pneumatic devicesEmissions: pneumatic devices Also dehydrator vents and casinghead gasAlso dehydrator vents and casinghead gas
Recovery: Vapor recovery unit (VRU)Recovery: Vapor recovery unit (VRU) Also compressor suction and fuel gasAlso compressor suction and fuel gas
Savings = Gas value - piping installed costSavings = Gas value - piping installed cost
Small installed costsSmall installed costs
Negligible O&M costsNegligible O&M costs
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Capture Pneumatic GasCapture Pneumatic Gas
Cost estimate for routing to VRUCost estimate for routing to VRU 100 ft of half inch stainless steel tubing100 ft of half inch stainless steel tubing @ $10 installed/ft = $1,000@ $10 installed/ft = $1,000
Gas ValueGas Value 525 Mcf/yr per source (1 cf/m)525 Mcf/yr per source (1 cf/m) @ $3/Mcf = $1,575/yr @ $3/Mcf = $1,575/yr
8 month payback8 month payback
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New Technology Developments:New Technology Developments:Inexpensive Sensing TechnologiesInexpensive Sensing Technologies
Objective: Cost-effective (profitable) automated leak Objective: Cost-effective (profitable) automated leak detectiondetection
Sensor alerts operators when monitored component Sensor alerts operators when monitored component emits enough fugitives to warrant repairemits enough fugitives to warrant repair
Valve stem seals, compressor rod packing, pressure Valve stem seals, compressor rod packing, pressure safety valve, blowdown ventssafety valve, blowdown vents
Leak Leak notifies notifies youyou==++
Cheap AlarmCheap AlarmAdsistor RingAdsistor RingEnvironmental Systems Inc.Environmental Systems Inc.
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DI&M by Leak ImagingDI&M by Leak Imaging
Real-time visual image of gas leaksReal-time visual image of gas leaks Quicker identification & repair of leaksQuicker identification & repair of leaks Screen hundreds of components an hourScreen hundreds of components an hour Screen inaccessible areas simply by viewing Screen inaccessible areas simply by viewing
themthem
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Infrared Gas Imaging TechnologyInfrared Gas Imaging Technology
Shoulder- and/or tripod- mountedShoulder- and/or tripod- mounted
Hand-held prototypeHand-held prototype
Aerial surveillance applicationsAerial surveillance applications
Require battery and/or power cordRequire battery and/or power cord
Most very large leaks (> 3cf/hr) clearly seenMost very large leaks (> 3cf/hr) clearly seen
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Visible light image of leaking Visible light image of leaking componentcomponent
Infrared image of leaking Infrared image of leaking componentcomponent
Gas plume motion clearly shows Gas plume motion clearly shows leakleak
Infrared Gas Imaging TechnologyInfrared Gas Imaging Technology
Source: Texas council on Environmental Quality StudySource: Texas council on Environmental Quality Study
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Infrared Gas ImagingInfrared Gas Imaging
Video recording of fugitive leak found by Video recording of fugitive leak found by infrared camerainfrared camera
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Discussion QuestionsDiscussion Questions
What idea interests you most?What idea interests you most?
What are the barriers (technological, What are the barriers (technological, economic, lack of information, regulatory, economic, lack of information, regulatory, focus, manpower, etc.) that are preventing focus, manpower, etc.) that are preventing you fromyou from launching feasibility studies and/or launching feasibility studies and/or pilot projects?pilot projects?