Facility ID: 1010360 · Petroleum and Natural Gas Systems

South Marsh Island 69 B/BQ

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Offshore, LA · NAICS 211130

Data updated May 2026

34K MT CO₂e · 2023

According to the EPA Greenhouse Gas Reporting Program, South Marsh Island 69 B/BQ ranks #5,268 of 8,713 U.S. reporting facilities by latest reported CO₂e and #324 of 531 facilities in LA.

  • National rank #5,268 of 8,713 GHGRP facilities
  • #324 of 531 in LA
  • #1,014 of 2,099 in Petroleum and Natural Gas Systems
  • 7.7% of W&T OFFSHORE parent CO₂e
  • 2023 mix: 75.7% non-CO₂ (CH₄-led)
  • -8.4% since 2012

South Marsh Island 69 B/BQ vs all U.S. GHGRP facilities

Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility

34,391 5268th of 8713 higher than 3,445 of 8,713 facilities

GHGRP facilities, banded by latest reported CO₂e (MT)

Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA Greenhouse Gas Reporting Program · 2023

Facility footprint context

This site accounts for 7.7% of W&T OFFSHORE reported parent CO₂e (34K MT of 446K MT ; #4 of 12 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #1,014 of 2,099 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.

2023 gas mix desk

Of 34K MT CO₂e reported for 2023, non-CO₂ gases are 75.7% , led by CH₄ at 75.7% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).

CO₂
24.3%
8K MT
CH₄
75.7%
26K MT
N₂O
0%
5 MT

Annual emissions history

2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Year Total CO2e (MT)
2023 34,391
2022 35,953
2021 41,883
2020 32,452
2019 35,400
2018 35,854
2017 46,715
2016 37,850
2015 42,372
2014 28,453
2013 44,730
2012 37,560

Facility insight: South Marsh Island 69 B/BQ

South Marsh Island 69 B/BQ (EPA GHGRP Facility ID 1010360) reported 34K metric tons of CO2-equivalent in 2023, operating in Offshore, LA. Among GHGRP reporters it ranks #5,268 of 8,713 nationally by latest CO₂e and #324 of 531 in LA. The site is classified under Petroleum and Natural Gas Systems with NAICS code 211130.

Over 12 years (2012–2023), emissions stayed within a narrow band around 34K MT CO₂e (peak 47K MT). This facility has filed every year from 2012 to 2023, a complete 12-year record.

Peak year was 2017 at 47K MT CO2e; latest 2023 sits 26.4% below that peak (34K MT). The largest year-to-year move was 2013→2014 (-36.4%, 16K MT).

Frequently Asked Questions

Where does South Marsh Island 69 B/BQ rank among U.S. GHGRP facilities?

According to the EPA Greenhouse Gas Reporting Program, South Marsh Island 69 B/BQ ranks #5,268 of 8,713 reporting facilities by latest reported CO₂e, and #324 of 531 facilities in LA (same sort as the state facility table). See /methodology#corpus-placement.

What share of GHGRP facilities report less CO₂e than South Marsh Island 69 B/BQ?

South Marsh Island 69 B/BQ's 34K MT CO₂e is higher than 3,445 of the 8,713 GHGRP facilities with reported emissions (40%), an exact count from the full corpus, not an estimate.

How much CO2 does South Marsh Island 69 B/BQ emit?

South Marsh Island 69 B/BQ reported 34K MT CO2e in 2023.

What share of W&T OFFSHORE does South Marsh Island 69 B/BQ represent?

South Marsh Island 69 B/BQ accounts for 7.7% of W&T OFFSHORE's reported GHGRP CO₂e (34K MT of 446K MT), ranking #4 of 12 facilities under that parent.

What is South Marsh Island 69 B/BQ's 2023 CO₂ / CH₄ / N₂O mix?

In 2023, non-CO₂ gases were 75.7% of reported CO₂e at South Marsh Island 69 B/BQ, with CH₄ the larger non-CO₂ share at 75.7% (CO₂ 24.3%). Shares use the facility's GHGRP gas components for that year.

Where does South Marsh Island 69 B/BQ rank inside Petroleum and Natural Gas Systems?

Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, South Marsh Island 69 B/BQ ranks #1,014 of 2,099 by latest reported CO₂e.

Is South Marsh Island 69 B/BQ reducing emissions?

Over 12 reporting years (2012–2023), South Marsh Island 69 B/BQ's emissions have decreased by 8.4%. Emissions have remained relatively stable.

Nationwide facilities with similar CO₂e or sector

Two GHGRP-derived peer sets for South Marsh Island 69 B/BQ, both outside LA so the neighborhoods are not state-geo containment.

Data sourced from the EPA Greenhouse Gas Reporting Program (GHGRP), Facility ID 1010360. Data subject to facility self-reporting, not compliance advice. See our methodology for how this data is sourced, computed, and verified. Retrieved and formatted by PlainCarbon