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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-06-000888
Filing Date
2006-02-14
Accepted
2006-02-14 11:04:24
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17770
  Complete submission text file 0000902219-06-000888.txt   19987
Mailing Address 10370 RICHMOND AVENUE SUITE 100 HOUSTON TX 77042-4136
Business Address 10370 RICHMOND AVE SUITE 600 HOUSTON TX 77042-4136 7138740202
GREY WOLF INC (Subject) CIK: 0000320186 (see all company filings)

IRS No.: 742144774 | State of Incorp.: TX | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-33055 | Film No.: 06608572
SIC: 1381 Drilling Oil & Gas Wells

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