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

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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

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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

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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