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Exhibit 31.1

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Certification

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

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I, D. Bradley Childers, certify that:

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1. I have reviewed this Annual Report on Form 10-K of Archrock, Inc.;

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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;

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Date: February 26, 2024

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