UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
April 24, 2013 9:00 A.M.
Form:
S-4
CIK:
0001346980
Company Name:
Chaparral Energy, Inc.
File Number:
333-187868
CIK:
0001364760
Company Name:
Chaparral Real Estate, L.L.C.
File Number:
333-187868-09
CIK:
0001364763
Company Name:
Chaparral Resources, L.L.C.
File Number:
333-187868-08
CIK:
0001364759
Company Name:
Chaparral CO2, L.L.C.
File Number:
333-187868-07
CIK:
0001364757
Company Name:
Chaparral Energy, L.L.C.
File Number:
333-187868-06
CIK:
0001364765
Company Name:
CEI Acquisition, L.L.C.
File Number:
333-187868-05
CIK:
0001382458
Company Name:
CEI Pipeline, L.L.C.
File Number:
333-187868-04
CIK:
0001408822
Company Name:
Green Country Supply, Inc.
File Number:
333-187868-03
CIK:
0001510108
Company Name:
Chaparral Exploration, L.L.C.
File Number:
333-187868-02
CIK:
0001510109
Company Name:
Roadrunner Drilling, L.L.C.
File Number:
333-187868-01