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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000728889-07-000123
Filing Date
2007-02-06
Accepted
2007-02-05 19:10:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 INITIAL 13G hydril13g.htm SC 13G 12089
  Complete submission text file 0000728889-07-000123.txt   14120
Mailing Address 6803 SOUTH TUCSON WAY N/A CENTENNIAL CO 80112-3924
Business Address 6803 SOUTH TUCSON WAY N/A CENTENNIAL CO 80112-3924 303-768-3200
OPPENHEIMER FUNDS INC (Filed by) CIK: 0000728889 (see all company filings)

IRS No.: 000000000 | State of Incorp.: CO | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 3300 N SAM HOUSTON PKWY EAST HOUSTON TX 77032
Business Address 3300 N SAM HOUSTON PKWY E HOUSTON TX 77032 2814492000
HYDRIL CO (Subject) CIK: 0001116030 (see all company filings)

IRS No.: 952777268 | State of Incorp.: DE
Type: SC 13G | Act: 34 | File No.: 005-59679 | Film No.: 07582128
SIC: 3533 Oil & Gas Field Machinery & Equipment