Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-215678, 333-220922 and 333-234555) and Form S-8 (Nos. 333-166434, 333-126016, 333-152705, 333-195410, 333-217414, 333-219063 and 333-231988) of Patterson-UTI Energy, Inc. of our report dated February 13, 2020 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Houston, Texas
February 13, 2020
