Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001181431-11-025220
Filing Date
2011-04-25
Accepted
2011-04-25 17:04:53
Documents
3
Period of Report
2011-04-14

Document Format Files

Seq Description Document Type Size
1 FORM 3 rrd309167.html 3  
1 FORM 3 rrd309167.xml 3 8383
2 JOINT FILER INFORMATION rrd277216_312868.htm EX-99.1 758
3 JOINT FILERS' SIGNATURES rrd277216_312983.htm EX-99.2 1523
  Complete submission text file 0001181431-11-025220.txt   14046
Mailing Address 6100 NORTH WESTERN AVE OKLAHOMA CITY OK 73118
Business Address 6100 N WESTERN AVE OKLAHOMA CITY OK 73118 4058488000
CHESAPEAKE ENERGY CORP (Reporting) CIK: 0000895126 (see all company filings)

State of Incorp.: OK | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-51471 | Film No.: 11777995
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 6100 N WESTERN AVE OKAHOMA CITY OK 73118
Business Address 6100 NORTH WESTERN AVENUE OKLAHOMA CITY OK 73118 4058488000
CHESAPEAKE OPERATING INC (Reporting) CIK: 0000949553 (see all company filings)

State of Incorp.: OK | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-51471 | Film No.: 11777994
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 6100 N WESTERN AVENUE OKLAHOMA CITY OK 73118
Business Address 6100 N WESTERN AVENUE OKLAHOMA CITY OK 73118 405-848-8000
NOMAC DRILLING LLC (Reporting) CIK: 0001141205 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-51471 | Film No.: 11777993
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 16217 NORTH MAY AVENUE EDMOND OK 73013
Business Address 16217 NORTH MAY AVENUE EDMOND OK 73013 405.242.4444
Bronco Drilling Company, Inc. (Issuer) CIK: 0001328650 (see all company filings)

EIN.: 202902156 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 6100 NORTH WESTERN AVENUE OKLAHOMA CITY OK 73118
Business Address 6100 NORTH WESTERN AVENUE OKLAHOMA CITY OK 73118 4058488000
Nomac Acquisition, Inc. (Reporting) CIK: 0001518462 (see all company filings)

State of Incorp.: OK | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-51471 | Film No.: 11777992