Exhibit 21.1

Subsidiaries of Encore Acquisition Company as of February 1, 2007

	State or other Jurisdiction of
Name of Subsidiary	Incorporation or Organization
EAP Energy, Inc.	Delaware
EAP Properties, Inc.	Delaware
EAP Operating, Inc.	Delaware
EAP Energy Services, L.P.	Texas
Encore Operating, L.P.	Texas
Encore Operating Louisiana LLC	Delaware