EX-23.3 6 a2223297zex-23_3.htm EX-23.3
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EXHIBIT 23.3

CAWLEY, GILLESPIE & ASSOCIATES, INC.
PETROLEUM CONSULTANTS
13640 BRIARWICK DRIVE, SUITE 100 |  | 306 WEST SEVENTH STREET, SUITE 302 |  | 1000 LOUISIANA STREET, SUITE 625
AUSTIN, TEXAS 78729-1707 |  | FORT WORTH, TEXAS 76102-4987 |  | HOUSTON, TEXAS 77002-5008
512-249-7000 |  | 817- 336-2461 |  | 713-651-9944
www.cgaus.com

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

The undersigned hereby consents to the references to our firm in the form and context in which they appear in the Form 10-K of Nabors Industries Ltd. for the year ended December 31, 2014. We hereby further consent to the use of information contained in our report setting forth the estimates of revenues from Nabors Industries Ltd.'s oil and gas reserves as of December 31, 2012, which was included as an exhibit to the Form 10-K of Nabors Industries Ltd. for the year ended December 31, 2012. We further consent to the incorporation by reference thereof into Nabors Industries Ltd.'s Registration Statements on Form S-8 (Registration Numbers 333-11313-99, 333-87069-99, 333-121908, 333-155291, 333-166598, 333-184165 and 333-190104) of Nabors Industries Ltd.

Sincerely, |  |
/s/ Cawley, Gillespie & Associates, Inc. Cawley, Gillespie & Associates, Inc. Texas Registered Engineering Firm F-693 |  |
March 2, 2015 |  |

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EXHIBIT 23.3

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS