GHG Reporting Rule Changed for RY 2016: A … GH… · Flare stack vented emissions. 9. ......
Transcript of GHG Reporting Rule Changed for RY 2016: A … GH… · Flare stack vented emissions. 9. ......
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GHG Reporting Rule Changed for RY 2016: A Streamlined Plan for
Midstream Compliance
Phil Roberts, The Williams Companies
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GHG Reporting Program Changes
40 CFR Part 98Greenhouse Gas Reporting Rule2015 Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems; Final Rule
Published: 80 FR 64262October 22, 2015www.federalregister.gov
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GHG Reporting Program Changes
• Why the Changes? EPA’s Response to The White House’s,
“Climate Action Plan – Strategy to ReduceMethane Emissions, March 2014”
Addressed NGO Group Petition requesting EPA to collect GHG data for known, unreported sources
• Purpose of the Changes Improve GHG Inventory by Addressing Methane
Data Gaps
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Final Rule - Highlights • New Industrial Segment
Onshore Petroleum and Natural Gathering and Boosting
• Facility Definition (Gathering and Boosting) “All gathering pipelines and other equipment located along those pipelines that are under common ownership or common control by a gathering system owner or operator and that are located in a single hydrocarbon basin…”
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http://archives.datapages.com/data/bulletns/1990-91/data/pg/0075/0010/0000/1644.htm?doi=10.1306%2F0C9B29C5-1710-11D7-8645000102C1865D
AAPG Bulletin 75, No. 10, Oct. 1991
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Final Rule - Highlights• Who Must Report?
Facilities > 25,000 mt CO2e / yr
• Important Dates Rule Takes Effect on January 1, 2016 Automatic BAMM – All of RY 2016 First Report - March 31, 2017
• Excluded Systems Gathering systems under a vacuum Gathering systems with GOR < 300 scf / STB
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Final Rule - Highlights• What GHGs Must be Reported?
CO2, CH4 and N2O from:1. Combustion emissions sources 2. Natural gas pneumatic device venting 3. Natural gas pneumatic pump venting4. Acid gas removal vents 5. Dehydrator vents6. Blowdown vent stacks
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Final Rule - Highlights• What GHGs Must be Reported?
CO2, CH4 and N2O from:7. Storage tank vented emissions8. Flare stack vented emissions9. Centrifugal compressor venting
10. Reciprocating compressor venting 11. Equipment leaks12. Gathering pipeline leaks
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Final Rule - Highlights• Supplemental Activity Data to be Reported Quantity of natural gas received and delivered by
the Facility Quantity of hydrocarbon liquids received and
delivered by the Facility
• Purpose of Supplemental Activity Data EPA: To “inform future policy decisions”
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Final Rule - Highlights• Best Available Monitoring Methods (BAMM)
BAMM Is:o Monitoring methods that don’t meet
Subpart W specificationso Supplier datao Engineering calculationso Other company records
BAMM is used when measurement data or leak detection data can’t be collected
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Final Rule - Highlights• Best Available Monitoring Methods (BAMM)
BAMM Isn’t:o An alternate means of calculating GHG
emissions
BAMM Applicability for RY 2016o Automatic; no pre-approval requiredo Applicable to new industry segments and
emission sourceso Allows reporters to prepare for data collection
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Final Rule - Highlights• Combustion Emissions – Important Note If the fuel is pipeline quality gas with HHV > 950
Btu / scf, calculate emissions using any tier presented in Subpart C.
If fuel is field gas, natural gas with HHV < 950 Btu / scf, or non-pipeline quality natural gas, calculate emissions according to Subpart W.
All combustion emissions to be reported under Subpart W.
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Streamlined Data CollectionEvaluate Alternate Collection Methods • Combustion Emissions
Metered fuel volume versus run-hours • Blowdown Vent Stacks
Blowdown counts versus metered volumes• Flare Stack Emissions
Metered inlet volume versus engineeringcalculations
• AGR Unit (Amine)EmissionsModeling versus quarterly sampling
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Streamlined Data Collection• Natural Gas Pneumatic Device Venting Inventory Total Count and Type:
o Continuous low bleed (< 6 scfh)o Continuous high bleed (> 6 scfh) o Intermittent bleed
EPA Natural Gas STAR, 2/2/12
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Streamlined Data Collection• Natural Gas Pneumatic Device Venting
RY 2016 and RY 2017o Develop engineering estimate of total number
of pneumatic deviceso Develop engineering estimate of each type
RY 2018o Hard count of total number and each type of
pneumatic devices required Type: Engineering estimate / best available data
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Streamlined Data Collection• Pneumatic Device Venting Information Sources - P&IDs, equipment inventory
databases, OOOO annual reports Field Survey – Conduct device counts using
trained personnel; complete one-third of sites/yr
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Streamlined Data Collection• Utilize Available Data from: Corporate measurement databases Corporate asset management systems Facility operations reports
Facility process historians
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Streamlined Data Reporting• Use Direct Reporting Structure
Operating Area
Operations Technician
Designated Air Representative or
Environmental Specialist
Environmental Specialist
(GHG Reporting
Group)
Corporate Office
GHG Reporting Team
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Streamlined Data Reporting• Report GHG Data on a Shared Company Application Provide portals specific to each operating area Issue read - write access for all members of the
GHG reporting team Update GHG input data on a monthly basis Conduct QA / QC review on a quarterly basis (No data on personal hard drives)
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Streamlined Data Reporting• Create Stream Composition Library Standard and extended gas analyses Condensate analyses Organize by Facility (Basin) and county
• Create Modeling File Library Glycol dehydrators Storage tanks AGR Units
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Streamlined Data Reporting• Standardize Reporting Forms Provide separate forms for major equipment Furnish combined form for population-based
equipment Make forms available on shared company
application
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Streamlined Data Reporting• Standardize Calculation Tools Develop standard calculation tool for
each emissions source Update calculations tool in one location
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Conclusion• New, expanded reporting requirements for the
midstream sector were recently included in EPA’s revision of the Mandatory GHG Reporting Rule.
• Vented and combustion-related GHG emissions must now be reported for gathering systems in the Onshore Gathering and Boosting Sector.
• A streamlined approach to data collection and reporting will mitigate future increases in environmental compliance costs.
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Conclusion• Strategies for streamlining include the following: Evaluate alternate data collection methods; Access data from existing databases and
management systems; Employ a direct GHG reporting structure; Report GHG data on a shared company
application; and Develop standardized reporting forms for
company use.
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GHG Reporting Rule Changed for RY 2016: A Streamlined Plan for
Midstream Compliance
Phil Roberts, The Williams Companies