Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-15-000012
Filing Date
2015-01-12
Accepted
2015-01-12 11:08:45
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 18695
  Complete submission text file 0000902219-15-000012.txt   20503
Mailing Address P O DRAWER 1416 SNYDER TX 79550
Business Address 4510 LAMESA HWY P O DRAWER 1416 SNYDER TX 79549 9155731104
PATTERSON UTI ENERGY INC (Subject) CIK: 0000889900 (see all company filings)

EIN.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44095 | Film No.: 15521024
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT GROUP LLP (Filed by) CIK: 0000902219 (see all company filings)

EIN.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000