Exhibit 3.23

CERTIFICATE OF FORMATION

OF

TALOS ENERGY INTERNATIONAL LLC

This Certificate of Formation of Talos Energy International LLC (the “LLC”), dated July 13, 2015, is being duly executed and filed by Alan J. Alexander, as an authorized person, to form a limited liability company under the Delaware Limited Liability Company Act (6 Del.C. 18-101, et seq.)

FIRST. The name of the limited liability company formed hereby is Talos Energy International LLC.

SECOND. The address of the registered office of the LLC in the State of Delaware is The Corporation Trust Company, Corporation Trust Center, 1209 Orange Street, Wilmington, New Castle County, Delaware 19801.

THIRD. The name and address of the registered agent for service of process on the LLC in the State of Delaware is The Corporation Trust Company, Corporation Trust Center, 1209 Orange Street, Wilmington, New Castle County, Delaware 19801.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation as of the date first above written.

/s/ Alan J. Alexander

Alan J. Alexander

Authorized Person