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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-18-004100
Filing Date
2018-02-09
Accepted
2018-02-09 13:43:21
Documents
1

Document Format Files

Seq Description Document Type Size
1 pattersonutienergyinc.htm SC 13G/A 43905
  Complete submission text file 0000932471-18-004100.txt   45531
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064
Business Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064 2817657100
PATTERSON UTI ENERGY INC (Subject) CIK: 0000889900 (see all company filings)

IRS No.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44095 | Film No.: 18590485
SIC: 1381 Drilling Oil & Gas Wells