SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000354204-09-000836
Filing Date
2009-02-09
Accepted
2009-02-09 12:13:53
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd036.htm SC 13G 49972
  Complete submission text file 0000354204-09-000836.txt   52164
Mailing Address 5075 WESTHEIMER SUITE 890 HOUSTON TX 77056
Business Address 5075 WESTHEIMER SUITE 890 HOUSTON TX 77056 713-369-0550
Allis Chalmers Energy Inc. (Subject) CIK: 0000003982 (see all company filings)

IRS No.: 390126090 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-30534 | Film No.: 09579695
SIC: 1389 Oil & Gas Field Services, NEC

Mailing Address 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401
Business Address 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005
DIMENSIONAL FUND ADVISORS INC (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 22370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000