5900-102 Annual Report - Gathering and Processing Segment

EPA’s Voluntary Methane Challenge and Natural Gas STAR Programs

ng_star_reporting_template_gathering-and-processing.xlsx

OMB: 2060-0722

Document [xlsx]
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Overview

Partner Info and ToC
Dehydrator Vents
Equipment Leaks
Pneumatics - Gathering
Pneumatics - Processing
Additional Activities
references


Sheet 1: Partner Info and ToC

Natural Gas STAR Annual Report - Gathering and Processing Segment

Gathering and Processing
FORM VERSION: REPORTING SEASON 2021 (for activities completed in 2020)

OMB Control No. 2060-0722
Approval expires XX/XX/202X
EPA Form No. 5900-102
RS2021GATHERv1


Partner Name
0
Reporting Year 2020








Use the Table of Contents below to navigate to the different tabs of the form. You can use column B to indicate if you reported data on a specific tab.






Gathering & Processing Emission Sources Data Reported Information
Dehydrator Vents No Install flash tank separators on glycol dehydrator vents
Equipment Leaks No Directed inspection and maintenance at gas plants and booster stations
Pneumatic Controllers - Gathering & Boosting No Convert high-bleed controllers to low-bleed; convert high-bleed or low-bleed controllers to zero-emitting controllers; remove controllers from service with no replacement.
Pneumatic Controllers - Processing No
Additional Gathering and Processing Activities No Use this tab to report all other methane reductions in the Gathering and Processing segment. You will be able to select the technology/practice used from the list of Natural Gas STAR Partner Reported Opportunities. If the activity you are reporting is not included in the list, please contact EPA at [email protected]












Update Partner Information (If applicable)


New Partner Name

















This collection of information is approved by OMB under the Paperwork Reduction Act, 44 U.S.C. 3501 et seq. (OMB Control No. 2060-0328). Responses to this collection of information are voluntary 42 USC 7403(g). An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB control number. The public reporting and recordkeeping burden for this collection of information is estimated to range from 20 to 51 hours per response. Send comments on the Agency’s need for this information, the accuracy of the provided burden estimates and any suggested methods for minimizing respondent burden to the Regulatory Support Division Director, U.S. Environmental Protection Agency (2821T), 1200 Pennsylvania Ave., NW, Washington, D.C. 20460. Include the OMB control number in any correspondence. Do not send the completed form to this address.

Sheet 2: Dehydrator Vents

Dehydrator Vents







Return to Table of Contents





Install Flash Tank Separators on Glycol Dehydrators














Start Year Eligible Sunset Years
for this Activity
Automatically calculate sunsets? End Year New or Ongoing? Calculation Method: Default, Standard, or Other Calculate Using Default Calculate Using Standard Calculation Other Calculation Provide additional comments or detail about how your company implemented this BMP
Number of Flash Tank Separators Installed Average Gas Throughput (MMcf/yr) Calculated Total Methane Emission Reduction Based on Default Values
{[Number of Flash Tank Separators Installed]x[Average Gas Throughput])
x 170 scf/MMcf x 0.9] / 1000]}
TEG Circulation Rate (gal/hr) Methane Entrainment Rate (scf/gal) Hours of Operation (hrs/yr) Calculated Total Methane Emission Reduction Based on Standard Calculation {[TEG Circulation Rate]x
[Methane Entrainment Rate]x[Hours of Operation] x 0.90] / 1000}
Total Methane Emission Reduction Based on Other Assumptions
(Mcf/yr)
Explain Reduction Calculation Used








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Sheet 3: Equipment Leaks

Equipment Leaks




Return to Table of Contents

Directed inspection and maintenance at gas plants and booster stations







Year Total Number of Surveys Conducted Total Number of Leaks Found Total Number of Leaks Repaired Total Number of Facilities at Which Leaks Repaired Basis for Emission Reduction Estimate Total Methane Emission Reductions
(Mcf/yr)
Explain Reduction Calculation Used Provide additional comments or detail about how your company implemented this BMP










Sheet 4: Pneumatics - Gathering

Pneumatic Controllers - Gathering and Boosting



Return to Table of Contents




Convert high-bleed controllers to low-bleed; convert high-bleed or low-bleed controllers to zero-emitting controllers; remove controllers from service with no replacement













Convert high-bleed to low-bleed Convert high-bleed to zero-bleed/remove from service Convert low-bleed to zero-bleed/remove from service
Start Year New or Ongoing? Average Methane Content of Gas (enter as a decimal; leave blank to use default 82.1% methane) Average annual operating hours (leave blank to use default 8760 hours) Number of controllers converted Calculated Total Methane Emission Reductions
(Mcf/yr)
Number of controllers converted/removed from service Calculated Total Methane Emission Reductions
(Mcf/yr)
Number of controllers converted/removed from service Calculated Total Methane Emission Reductions
(Mcf/yr)
Provide additional comments or detail about how your company implemented this BMP













































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Sheet 5: Pneumatics - Processing

Pneumatic Controllers - Processing



Return to Table of Contents




Convert high-bleed controllers to low-bleed; convert high-bleed or low-bleed controllers to zero-emitting controllers; remove controllers from service with no replacement













Convert high-bleed to low-bleed Convert high-bleed to zero-bleed/remove from service Convert low-bleed to zero-bleed/remove from service
Start Year New or Ongoing? Average Methane Content of Gas (enter as a decimal; leave blank to use default 82.1% methane) Average annual operating hours (leave blank to use default 8760 hours) Number of controllers converted Calculated Total Methane Emission Reductions
(Mcf/yr)
Number of controllers converted/removed from service Calculated Total Methane Emission Reductions
(Mcf/yr)
Number of controllers converted/removed from service Calculated Total Methane Emission Reductions
(Mcf/yr)
Provide additional comments or detail about how your company implemented this BMP













































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Sheet 6: Additional Activities

Additional Gathering & Processing Activities





Return to Table of Contents











Start Year Select the Activity New or Ongoing? Eligible Sunset Years
for this Activity
Automatically calculate sunsets (if Sunset Years >1)? End Year Total Methane Emission Reduction
(Mcf/yr)
Basis for Emission Reduction Estimate Explain Reduction Calculation Used Describe how your company implemented this activity (e.g., number of units installed or other activities conducted)









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Sheet 7: references

This sheet summarizes values used in calculations in this workbook. If you have questions on any of the values used, please contact EPA at [email protected]




Install Flash Tank Separators on Glycol Dehydrators

Default Values

Emission Factor1 170 scf/MMcfd
Efficiency2 0.9 percent (expressed as decimal)



Pneumatic Controllers

Emission Factors - Gathering and Boosting Source: 40 CFR 98, Table W-1A (Population Emission Factors, Gas Service)
Low Continuous Bleed Pneumatic Device Vents 1.39 scf whole gas / hour / device
High Continuous Bleed Pneumatic Device Vents 37.3 scf whole gas / hour / device



Emission Factors - Processing Source: 40 CFR 98, Table W-3B [Transmission segment factors used as a proxy for Processing]
Low Continuous Bleed Pneumatic Device Vents 1.37 scf whole gas / hour / device
High Continuous Bleed Pneumatic Device Vents 18.2 scf whole gas / hour / device



Default Values

Operating hours 8760 Assumes 24/7 operation all year
Methane content of natural gas 82.1% Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2016, Annex 3.6 (Table 3.6-3), https://www.epa.gov/sites/production/files/2018-04/2018_ghgi_natural_gas_systems_annex_tables.xlsx







Notes:

1 Derived from “Methane Emissions from the Natural Gas Industry,” Volume 14, Glycol Dehydrators, co-sponsored by the Gas Research Institute and EPA, June 1996

2 Derived from “Optimize Glycol Circulation And Install Flash Tank Separators In Glycol Dehydrators” Lessons Learned document, EPA, October 2006.

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