petroleum and natural gas systems (subpart w) reporting ......petroleum and natural gas systems...
TRANSCRIPT
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U.S. Environmental Protection Agency
Greenhouse Gas Reporting Program (GHGRP)
February 2016
Petroleum and Natural Gas Systems (Subpart W) Reporting Form for 2015
This training is provided by EPA solely for informational purposes. It does not provide legal advice, have
legally binding effect, or expressly or implicitly create, expand, or limit any legal rights, obligations,
responsibilities, expectations, or benefits in regard to any person.
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Overview of Webinar
• Overview of this webinar
• Review changes to the Subpart W reporting form for RY15
• Uploading and submitting
• XML reporting
• Resources
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Subpart W Revisions for RY15
• Report CH4 and N2O in metric tons for each emission source type (previously reported metric tons CO2e for each of these GHGs)
• Gas volumes for some emission source types can now be reported at either actual or standard conditions
• Table columns now more closely follow order of reporting elements as specified in 98.236
• BAMM reporting tables removed (except liquids unloading, completions and workovers, and compressors)
• Missing data procedure tables added
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Download the Forms and Schema
• The final forms and XML reporting schema for Subpart W can be downloaded at http://www.ccdsupport.com/confluence/display/help/Reporting+Form+Instructions
• The regulations describing the changes to the reporting requirements can be found at http://www.epa.gov/ghgreporting/rulemaking-notices-ghg-reporting
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Sheets in RY15 Reporting Form
Introduction (l) Well Testing
(aa) Facility Overview (m) Associated NG
(b) NG Pneumatic Device (n) Flare Stacks
(c) NG Pneumatic Pumps (o) Centrifugal Compressors
(d) Acid Gas Removal Units (p) Reciprocating Compressors*
(e) Dehydrators (q,r) Equipment Leaks
(f) Liquids Unloading (s) Offshore Emissions*
(g, h) Completions and Workovers (w) EOR Injection Pumps
(i) Blowdown Vent Stacks (x) EOR Hydrocarbon Liquids*
(j) Production Storage Tanks (z) Combustion Equipment
(k) Transmission Storage Tanks
* These 3 are substantively similar to another source or unchanged from Reporting Year 2014 and are not reviewed in today’s presentation.
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Introduction tab
Note: One workbook must be submitted
for each industry segment. If your facility
is required to report emissions under
more than one industry segment, a
workbook should be filled out for each
industry segment under which that
facility falls.
As in prior years, the Introduction
requires selection of the
applicable industry segment for
the report.
For RY15, the liquid and gaseous
annual throughputs have been
moved to the Facility Overview
sheet.
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Introduction tab (continued)
The selected industry
segment activates links to
the applicable sources. Once
completed, emissions for
those sources are tallied on
this sheet automatically.
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– New tab for requirements specified in 98.236(aa)
– Replacing former “Sub-basin” tab
– Expanded industry-specific reporting, tailored to each industry segment
– Navigation links are activated for the selected industry segment
Facility Overview
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Facility Overview (continued)
The quantity of gas produced for
sales and the quantity of crude oil
and condensate produced for
sales are revised data elements
for RY15.
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Facility Overview (continued)
Seven elements in the
middle of Table AA.1.ii are
new (others are the same
as on the “Sub-basin
Selection” sheet in reporting
forms for previous years.
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Facility Overview (continued)
All elements are new or revised
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Natural Gas Pneumatic Device Venting
This table has been rearranged to clarify that
only onshore production facilities in their first
2 years of reporting may provide an
estimated count. Everyone else must report
the total actual count.
Two data elements are new for RY15.
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Natural Gas Driven Pnuematic Pumps
One new data element in RY15.
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Acid Gas Removal Units
The reporting requirements are
organized in tables for each
calculation methodology.
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Acid Gas Removal Units (continued)
For Calculation Method 2, the annual volume of gas vented can be
reported on either an actual or standard basis. You must then report
the temperature and pressure used to calculate that vent gas volume.
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Acid Gas Removal Units (continued)
For Calculation Method 3, the equation used determines whether the flow rate into or
out of the AGR unit is reported. These flow rates can be reported on either an actual
or standard basis, with the temperature and pressure used to calculate those rates.
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Acid Gas Removal Units (continued)
All data elements are new.
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Dehydrators
Rearranged for clarity.
Previously allowed only one row
for control devices other than
vapor recovery, flares, and
regenerators; now each type of
device can be reported
separately.
Form clarifies that N2O emissions
are to be reported only for
flares/regenerators.
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Dehydrators (continued)
RY14 report asked for the
total CO2 and CH4
emissions regardless of
control; now collective
emissions from flares/
regenerators must be
reported separately from
other vented emissions,
and N2O must be reported
from flares/regenerators.
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Dehydrators (continued)
All new or revised data
requirements shown (omitting
unchanged elements).
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Well Venting for Liquid Unloading
Note that Calculation Methodology 1 is
reported in two tables (F.1 and F.2).
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Well Venting for Liquid Unloading (continued)
Specification of whether plunger lifts
were used changes the table’s
conditional formatting.
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Well Venting for Liquid Unloading (continued)
For RY15, a single table is used for both Calculation Methodologies 2
and 3.
Specification of whether plunger lifts were used changes the table’s
conditional formatting.
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Gas Well Completion & Workovers
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Gas Well Completion & Workovers (continued)
The RY14 table for completions and workovers without hydraulic
fracturing has been split into three tables—vented completions (H.1),
flared completions (H.2), and workovers (H.3).
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Gas Well Completion & Workovers (continued)
Table H.3 contains all of
same elements as in
the past that apply to
workovers without
hydraulic fracturing.
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Blowdown Vent Stacks
All data elements are new or revised.
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Production Storage (Atmospheric) Tanks
The amended rule consolidated 4 methods into 2; two
RY14 tables were combined in one table for RY15.
Some elements now apply more broadly than in RY14
(e.g., the range of CO2 and CH4 concentrations in the
flash gas now apply to both tanks receiving oil from
wellhead separators AND now also for tanks receiving
oil direct from wells or from separators off the wellpad).
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Production Storage (Atmospheric) Tanks (continued)
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Production Storage (Atmospheric) Tanks (continued)
“Count of wells…”
data are now
reported at the
basin level.
The reporting of
the amount of
CO2 and CH4
recovered is no
longer required.
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Production Storage (Atmospheric) Tanks (continued)
The count of gas-liquid separators whose dump
valves did not close properly now must be
reported per sub-basin rather than at the basin
level.
Equation W-16 has been revised to eliminate
the potential double-counting of emissions.
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Transmission Storage Tanks
Most data elements are new this
year.
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Well Testing
For RY15, oil well testing emissions and activity data (e.g.,
number of wells tested) is reported separately from gas well
testing emissions and activity data.
In addition, the well testing data for wells that vent emissions
directly to atmosphere is to be reported separately from data for
wells that route the well testing emissions to flares.
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Well Testing
Average production rate for
gas wells may be reported
at actual or standard
conditions (report the
temperature and pressure
at which the production rate
was determined).
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Associated Gas
For RY15, all data elements
are reported per sub-basin
rather than at the basin level.
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Flare Stacks
Table has been reorganized.
CO2 reporting previously was split
into combusted versus
uncombusted emissions; now only
the combined total CO2 is reported.
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Centrifugal and Reciprocating Compressors
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Centrifugal and Reciprocating Compressors (continued)
These tables are identical for reciprocating compressors.
All data elements are new or revised, except the vented
emissions.
Note that flared emissions no longer have to be reported
specifically for compressors.
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Centrifugal and Reciprocating Compressors (continued)
Table P.3.ii differs from O.3.ii only in the types of
applicable compressor mode-source combinations.
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Centrifugal and Reciprocating Compressors (continued)
For RY15 the count element for centrifugal compressors was revised to be the number
of centrifugal compressors with wet seals, whereas in past years, the total number of
centrifugal compressors was reported. For reciprocating compressors, the total count of
reciprocating compressors is reported in Table P.5, the same as in past years.
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Equipment Leaks
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Equipment Leaks (continued)
There is no longer a separate
sheet for local distribution
companies (LDC).
Distribution section of Table
Q.2 and Tables Q.3 and R.3
replace LDC sheet.
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Equipment Leaks (continued)
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Equipment Leaks (continued)
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Equipment Leaks (continued)
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EOR Injection Pumps
Total volume of EOR injection pump system
equipment chambers is a revised data
element (previously reported the volume of
critical phase gas between isolation valves).
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Combustion Equipment
Total number…” in Table Z.1 now
reports only a single sum of all “small”
combustion units rather than separate
counts of workover equipment, process
heaters, electrical generators, etc.
All rows in Table Z.2 are new
elements—i.e., yes/no indications
whether there are any “large”
combustion units or any compressor
drivers.
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Combustion Equipment (continued)
This table consolidates 4 separate tables from the RY14 form.
As in Tables Z.1 and Z.2, the type of unit for which the information is
reported has been changed. In past years, reporting of the type of unit
meant the type of unit application such as well drilling, steam boiler,
electrical generator, etc. For RY15, reporting is for aggregated “large”
external combustion units, aggregated “large” internal combustion units,
and aggregated compressor drivers.
No longer required to report the count of “large” external combustion
units.
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Missing data procedures
Tables have been added
for most sources for the
identification of
parameters for which
“missing data
procedures” were used.
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How to Submit Your Report
Login to e-GGRT at:
https://ghgreporting.epa.gov
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How to Submit Your Report (continued)
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XML-based Submission – Schema Changes
• EPA has revised the XML schema for Subpart W to reflect the reporting requirements for 2015
• The XML reporting schema and updated instructions for Subpart W can be downloaded at http://www.ccdsupport.com/confluence/display/help/XML+Reporting+Instructions
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Resources
GHGRP Help DeskEmail: [email protected]
Web: http://www.ccdsupport.com/confluence/display/help/
Telephone:
1-877-444-1188 (toll free)1-703-676-4400 (outside U.S.)
As a reminder, please do not submit sensitive or business confidential information to the
helpline. Anything you send to the Help Desk may be made available to the public.
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