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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000354204-12-001289
Filing Date
2012-02-14
Accepted
2012-02-14 08:44:34
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd534.htm SC 13G 50171
  Complete submission text file 0000354204-12-001289.txt   51866
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
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)

IRS No.: 161537048 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-81452 | Film No.: 12602723
SIC: 1381 Drilling Oil & Gas Wells