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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-07-000037
Filing Date
2007-02-12
Accepted
2007-02-12 15:23:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17806
  Complete submission text file 0000902219-07-000037.txt   19865
Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 14313 NORTH MAY AVENUE SUITE 100 OKLAHOMA CITY OK 73134
Business Address 14313 NORTH MAY AVENUE SUITE 100 OKLAHOMA CITY OK 73134 405.848.8807
Bronco Drilling Company, Inc. (Subject) CIK: 0001328650 (see all company filings)

IRS No.: 202902156 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-80976 | Film No.: 07602644
SIC: 1381 Drilling Oil & Gas Wells