Fourth Supplemental Indenture (7.75% Senior Notes due 2021), dated as of April 3, 2018, by and among Sanchez Energy Corporation, SN EF Maverick, LLC, Rockin L Ranch Company, LLC, the existing guarantors and Delaware Trust Company, as trustee

Exhibit 4.1

Execution Version

SANCHEZ ENERGY CORPORATION

AND

THE GUARANTORS NAMED HEREIN

7.75% SENIOR NOTES DUE 2021

FOURTH SUPPLEMENTAL INDENTURE

DATED AS OF APRIL 3, 2018

DELAWARE TRUST COMPANY,

AS SUCCESSOR TRUSTEE

This FOURTH SUPPLEMENTAL INDENTURE, dated as of April 3, 2018 (this “Fourth Supplemental Indenture”), is among Sanchez Energy Corporation, a Delaware corporation (the “Company”), SN Payables, LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”), which is a subsidiary of the Company, each of the existing Guarantors (as defined in the Indenture referred to below) and Delaware Trust Company, a Delaware state chartered trust company (as successor trustee to U.S. Bank National Association), as Trustee.

RECITALS

WHEREAS, the Company and the Trustee are party to that certain Indenture, dated as of June 13, 2013, as supplemented by that certain first supplemental indenture, dated as of September 11, 2013, that certain second supplemental indenture, dated as of May 30, 2014, and that certain third supplemental indenture, dated as of March 7, 2017 (as so supplemented, the “Indenture”), pursuant to which the Company has issued $600,000,000 in aggregate principal amount of 7.75% Senior Notes due 2021 (the “Notes”) in two tranches in the aggregate principal amounts of $400,000,000 on June 13, 2013 and $200,000,000 on September 18, 2013, respectively;

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall become a Guarantor (as defined in the Indenture);

WHEREAS, Section 9.01(g) of the Indenture provides that the Company, the Guarantors and the Trustee may amend or supplement the Indenture in order to add any additional Guarantor with respect to the Notes, without the consent of the Holders of the Notes; and

WHEREAS, all acts and things prescribed by the Indenture, by law and by the Articles of Incorporation and the Bylaws (or comparable constituent documents) of the Company, of the Guarantors and of the Trustee necessary to make this Fourth Supplemental Indenture a valid instrument legally binding on the Company, the Guarantors and the Trustee, in accordance with its terms, have been duly done and performed.

NOW, THEREFORE, to comply with the provisions of the Indenture and in consideration of the above premises, the Company, the Guaranteeing Subsidiary, the other Guarantors and the Trustee covenant and agree for the equal and proportionate benefit of the respective Holders of the Notes as follows:

[Signatures on following pages]

IN WITNESS WHEREOF, the parties hereto have caused this Fourth Supplemental Indenture to be duly executed, all as of the date first written above.