Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-08-001049
Filing Date
2008-02-14
Accepted
2008-02-14 12:47:25
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17749
  Complete submission text file 0000902219-08-001049.txt   19793
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)

EIN.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 4055 INTERNATIONAL PLAZA SUITE 610 FORT WORTH TX 76109
Business Address 4055 INTERNATIONAL PLAZA SUITE 610 FORT WORTH TX 76109 8177358793
UNION DRILLING INC (Subject) CIK: 0001133260 (see all company filings)

EIN.: 161537048 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-81452 | Film No.: 08611711
SIC: 1381 Drilling Oil & Gas Wells