Exhibit 21.1
SUBSIDIARIES

Entity | State of Formation
Black Bear Liquids LLC | Texas
Black Bear Liquids Marketing LLC | Texas
Black Bear Midstream Holdings LLC | Delaware
Black Bear Midstream LLC | Texas
Bluebonnet Resources, LLC | Delaware
BlueStone Natural Resources II, LLC | Texas
Breitburn Oklahoma LLC | Delaware
Breitburn Operating LP | Delaware
Breitburn Transpetco GP LLC | Delaware
Breitburn Transpetco LP LLC | Delaware
Canvas CO2 LLC | Oklahoma
Canvas Real Estate LLC | Oklahoma
Corsair Asset Holdings LLC | Delaware
Corsair Energy II LLC | Pennsylvania
Corsair Resources II LLC | Pennsylvania
Charles Energy, L.L.C. | Pennsylvania
Chesapeake Granite Wash Trust | Delaware
Chestnut Energy, L.L.C. | Pennsylvania
Coalfield Pipeline Company | Tennessee
Cranberry Pipeline Corporation | Delaware
Diversifed ABS IX Holdings LLC | Delaware
Diversified ABS III Upstream LLC | Pennsylvania
Diversified ABS LLC | Pennsylvania
Diversified ABS Phase II LLC | Pennsylvania
Diversified ABS Phase IV Holdings LLC | Delaware
Diversified ABS Phase IV LLC | Delaware

Exhibit 21.1

Diversified ABS Phase VI Holdings LLC | Delaware
Diversified ABS Phase VI LLC | Delaware
Diversified ABS Phase X LLC | Pennsylvania
Diversified ABS V Upstream LLC | Pennsylvania
Diversified ABS VI Upstream LLC | Pennsylvania
Diversified ABS VIII Holdings LLC | Delaware
Diversified ABS VIII LLC | Delaware
Diversified ABS X Holdings LLC | Delaware
Diversified ABS X LLC | Delaware
Diversified Energy Company | Delaware
Diversified Energy Company LLC | Delaware
Diversified Energy Company Limited | U.K. (Wales)
Diversified Energy Group LLC | Delaware
Diversified Energy Marketing, LLC | Alabama
Diversified Gas & Oil Corporation | Delaware
Diversified Midstream LLC | Pennsylvania
Diversified Midstream LLC | Pennsylvania
DM Bluebonnet LLC | Texas
DM Mountaineer Holdings LLC | Delaware
DM Pennsylvania Holdco LLC | Pennsylvania
DM Yellowjacket HoldCo LLC | Delaware
DP Sovereignty LLC | Pennsylvania
DP American Pharoah LLC | Pennsylvania
DP Bluegrass LLC | Pennsylvania
DP Derby Run LLC | Delaware
DP Keeneland Mile LLC | Delaware
DP Legacy Central LLC | Pennsylvania
DP Legacy Tapstone LLC | Pennsylvania
DP Lion Equity Holdco LLC | Delaware

Exhibit 21.1

DP Lion Holdco LLC | Delaware
DP Mustang Holdco LLC | Delaware
DP Ponies LLC | Pennsylvania
DP RBL Co LLC | Delaware
DP Seabiscuit LLC | Pennsylvania
DP Secretariat LLC | Pennsylvania
DP Tapstone Energy Holdings, LLC | Delaware
DP Yellowjacket HoldCo LLC | Delaware
EnergySolutions AI LLC | Oklahoma
Giant Land, LLC | Oklahoma
GTG Pipeline LLC | Virginia
Link Land, LLC | Oklahoma
Maverick ABS Holdco, LLC | Delaware
Maverick Asset Holdings LLC | Delaware
Maverick Natural Resources II LLC | Delaware
Maverick Natural Resources LLC | Delaware
Maverick Operating GP LLC | Delaware
Maverick Permian Agent Corp | Delaware
Maverick Permian LLC | Delaware
Maverick Services LLC | Delaware
Midpoint Midstream, LLC | Colorado
MNR ABS Agent Corp | Delaware
MNR ABS Holdings I, LLC | Delaware
MNR ABS Issuer I, LLC | Delaware
Next LVL Energy, LLC | Pennsylvania
Oaktree ABS VI Upstream LLC | Delaware
OCM Denali Holdings, LLC | Delaware
Old Faithful Land LLC | Oklahoma
Phoenix Production Company | Wyoming

Exhibit 21.1

Riverside Land, LLC | Oklahoma
Sooner State Joint ABS Holdings LLC | Delaware
Splendid Land, LLC | Oklahoma
Trabajo Energy, L.L.C. | Pennsylvania
Transpetco Pipeline Company, LP | Delaware
Unbridled Agent Corp | Delaware
Unbridled Resources, LLC | Delaware
Wheeler Midstream, LLC | Delaware
Ranger SubCo LLC | Delaware