Attached files
| file | filename |
|---|---|
| EX-31.3 - EX-31.3 - PATTERSON UTI ENERGY INC | d361854dex313.htm |
| 10-K/A - FORM 10-K/A - PATTERSON UTI ENERGY INC | d361854d10ka.htm |
Exhibit 31.4
CERTIFICATIONS
I, John E. Vollmer III, certify that:
1. I have reviewed this annual report on Form 10-K/A of Patterson-UTI Energy, Inc.; and
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
| /s/ John E. Vollmer |
| John E. Vollmer III |
| Senior Vice President — Corporate Development, |
| Chief Financial Officer and Treasurer |
Date: March 13, 2017