SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000902219-13-000377
Form type: SC 13G
Filer: PATTERSON UTI ENERGY INC
CIK: CIK 889900
Filed: Feb 14, 2013
Reporting period: Dec 31, 2012
Description: Passive 5%+ stake

Documents

0000902219-13-000377-index.htm

Complete submission

0000902219-13-000377.txt

directory listing

Filed by

PATTERSON UTI ENERGY INC