GIST ROBERT C
Related Filers (1)
Ownership (8)
4/A
Tuesday, 4/3/2007
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/26/2007
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/5/2007
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 12/15/2006
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/5/2006
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/31/2005
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2005
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/2/2004
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities