Exhibit 8.1
Subsidiaries of Diversified Energy Company PLC as of December 31, 2024

Name of SubsidiaryJurisdiction
Diversified Gas & Oil CorporationUnited States
Diversified Production LLCUnited States
Diversified ABS Holdings LLCUnited States
Diversified ABS LLCUnited States
Diversified ABS Phase II Holdings LLCUnited States
Diversified ABS Phase II LLCUnited States
Diversified ABS Phase IV Holdings LLCUnited States
Diversified ABS Phase IV LLCUnited States
DP Bluegrass Holdings LLCUnited States
DP Bluegrass LLCUnited States
Chesapeake Granite Wash Trust(a)United States
BlueStone Natural Resources II, LLCUnited States
Sooner State Joint ABS Holdings LLC(b)United States
Diversified ABS Phase VI Holdings LLCUnited States
Diversified ABS Phase VI LLCUnited States
Diversified ABS VI Upstream LLCUnited States
Oaktree ABS VI Upstream LLCUnited States
DP Lion Equity Holdco LLC(c)United States
DP Lion Holdco LLC(c)United States
Diversified ABS VIII Holdings LLCUnited States
Diversified ABS VIII LLCUnited States
Diversified ABS III Upstream LLCUnited States
Diversified ABS V Upstream LLCUnited States
DP Yellowjacket Equity Holdco LLCUnited States
DP Yellowjacket Holdco LLCUnited States
DM Yellowjacket Holdco LLCUnited States
Tanos TX Holdco LLCUnited States
Diversified ABS IX Holdings LLCUnited States
Diversified Mustang Holdco LLCUnited States
DP RBL Co LLCUnited States
DP Legacy Central LLCUnited States
Diversified Energy Marketing, LLCUnited States
OCM Denali Holdings, LLCUnited States
DP Tapstone Energy Holdings, LLCUnited States
DP Legacy Tapstone LLCUnited States
Giant Land, LLC(d)United States
Link Land, LLC(d)United States
Old Faithful Land, LLC(d)United States
Riverside Land, LLC(d)United States
Splendid Land, LLC(d)United States
Diversified Midstream LLCUnited States
Cranberry Pipeline CorporationUnited States
Coalfield Pipeline CompanyUnited States
DM Bluebonnet LLCUnited States
Black Bear Midstream Holdings LLCUnited States
Black Bear Midstream LLCUnited States
Black Bear Liquids LLCUnited States
Black Bear Liquids Marketing LLCUnited States
DM Pennsylvania Holdco LLCUnited States
Diversified Energy Group LLCUnited States
Diversified Energy Company LLCUnited States
Next LVL Energy, LLCUnited States
Diversified ABS IX Holdings LLCUnited States
Diversified ABS X Holdings LLCUnited States
Diversified ABS X LLCUnited States