- Corporate Responsibility
- Royalty Owners
Protecting natural resources is not only the right thing to do, it is good business. SWN operates responsibly and strives to reduce emissions and improve energy efficiency. Our vision is for the safe and responsible development of America’s abundant supply of natural gas to remain an essential part of the mix in a lower-carbon energy future. We take a science-based approach to achieving this vision, actively participating in academic and industry research to develop innovative environmental solutions. We maintain positive and productive relationships with federal and state regulatory agencies, and it is our practice to conform our operations to the spirit – not just the letter – of environmental regulations.
Tier 1 and 2 Unplanned Discharges (Spills)1
total volume in barrels
|Year||Value - total volume in barrels|
Water Use and Recycling Data2
Fresh Water Withdrawal by Source3
millions of barrels
|Year||Group||Value - millions of barrels|
Total Water Sourced that Is Recycled Water6
|Year||Value - %|
Cumulative Conservation and Operational Offsets9
millions of barrels
|Year||Value - millions of barrels|
Absolute Greenhouse Gas (GHG) Emissions11
thousand metric tons CO2e
Drilling / Completion / Production
|Year||Group||Value - thousand metric tons CO2e|
|Drilling / Completion / Production||1,463|
|Drilling / Completion / Production||1,143|
|Drilling / Completion / Production||1,333|
|2018||Drilling / Completion / Production||437|
|2019||Drilling / Completion / Production||516|
GHG Emissions Intensity12
kg CO2e/MMBTU gas produced
|Year||Group||Value - kg CO2e/MMBTU gas produced|
Methane Leak/Loss Rate13
% (SWN production operations only)
|Year||Value - % (SWN production operations only)|
Total Methane Emitted14
gigagrams (SWN production operations only)
|Year||Value - gigagrams (SWN production operations only)|
- A Tier 1 spill is an unintentional release of a regulated or prohibited substance impacting a state/federal jurisdictional water body, an unintentional release of a regulated substance at or above its federal reportable quantity, or an unintentional air impact at or above a state/federal reporting threshold. A Tier 2 spill is an unintentional release of a regulated or prohibited substance impacting land off location or an unintentional air impact below a state/federal reporting threshold, to include only natural gas releases of 235 thousand cubic feet (Mcf) or more. See the Land page for further discussion.
- The water use, water recycling and water disposal data in this section cover our drilling, completions, production and midstream services. The 2014 data include water used at the assets we purchased in Pennsylvania and West Virginia in late 2014 for the short period at the end of the year when we owned them. The 2015 data includes those assets as well as additional Pennsylvania and West Virginia assets we purchased in early 2015. None of the data includes our sand plant. All water used at our sand plant (except for drinking water) is sourced on location from the facility’s lake and four groundwater wells. This water is recirculated for reuse or, for a small portion, returned to the environment via evaporation. Finally, numbers in the tables may not sum, due to rounding.
- Water data collection depends on records maintained for internal benchmarking or reporting to regulatory agencies. Volumes purchased from commercial, third-party water suppliers are included under “water utilities” unless greater water source granularity is available. “Surface water” can include natural ponds, lakes, rivers and freshwater impoundments. No water was pulled from isolated wetlands or oceans for the years in scope.
- These volumes include flowback and produced water, encountered water during drilling, and rainwater naturally captured in facility containments. Reuse water can include volumes generated during drilling that have been treated off-site and returned for additional use. Also includes recycled flowback and produced water that is supplied to other operators for their downhole hydraulic fracturing operations and recycled flowback and produced water from other operators that was used by SWN in hydraulic fracturing operations.
- This volume includes SWN’s reuse of SWN produced water, reuse of produced water from other operators reuse of SWN produced water by other operators.
- The percentage in 2019 includes flowback and produced water provided from other operators to SWN and used in SWN’s hydraulic fracturing operations.
- This data includes the Sandwash Basin in Colorado, which had no activity and no recycling opportunities in 2019.
- This percentage includes the volume of water reused by SWN that SWN generates, the volume of SWN generated water that is reused by other operators and the volume of water generated by other operators that is reused by SWN.
- Operational offsets include rainwater naturally captured in facility containment that is returned to the environment and surface water held in freshwater impoundments that are returned to the environment.
- The emissions intensity and leak/loss rate data are based on gross operated production. The GHG calculations – reported in carbon dioxide equivalents, or CO2e – include CO2, CH4 (methane) and N2O (nitrous oxide). Certain GHG emissions are based on U.S. Environmental Protection Agency (EPA) emissions factors. The production CO2e emissions reflect emissions reported to the EPA under Subpart W of the Greenhouse Gas Mandatory Reporting Rule (GHGMRR). Approximately 99 percent of our production and midstream operations are subject to reporting under Subpart W. In 2015, 2016 and 2017 we have also included GHG emissions for our Sandwash (Colorado) operations (which are not subject to the GHGMRR) based on Subpart W emissions factors. In accordance with EPA greenhouse gas reporting requirements, assets that were divested in 2018 are not reported.
- Midstream assets are not included for the data in year 2018 and 2019 due to divestiture of the assets in 2018.
- The metric used to calculate the intensity ratio is millions of standard cubic feet (MMscf) of gas. We assumed a 1,000 BTU/scf heating value of natural gas for emissions intensity. The GHG emissions included in the intensity ratio are all direct (Scope 1).
- The methane leak/loss rate (mass percentage) is calculated by dividing the gigagrams of methane emissions by the oil and gas gross production (cubic feet converted to gigagrams).
- The gigagrams of methane emitted reflect the Subpart W reported emissions revised (reduced) to reflect actual fugitive equipment leaks observed as a result of our leak detection and repair program. A gigagram is equivalent to a thousand metric tons.