Exhibit 22.1

LIST OF SUBSIDIARY GUARANTORS

Each of the following subsidiaries of  W&T Offshore, Inc. (the “Company”) is a subsidiary guarantor with respect to the 10.75% Senior Second Lien Notes due 2029 (the “2029 Notes”) issued by the Company.

Name

    

State of
Organization

Aquasition Energy LLC

Delaware

Aquasition LLC

Delaware

Aquasition II LLC

Delaware

Aquasition III LLC

Delaware

Aquasition IV LLC

Delaware

Aquasition V LLC

Delaware

Falcon Aero Holdco LLC

Delaware

Falcon Aero Holdings LLC

Delaware

Green Hell LLC

Delaware

Seaquester LLC

Delaware

Seaquestration LLC

Delaware

W & T Energy VI, LLC

Delaware

W & T Energy VII, LLC

Delaware