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                                                                    Exhibit 23.3

[NSA LOGO]

            CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS
            ---------------------------------------------------------

As independent petroleum engineers and geologists, we consent to the references
to our firm, to our estimates of reserves and value of reserves and to our
reports on reserves and the incorporation of our reports on reserves for the
years ended 2001, 2002, and 2003 included in the W & T Offshore, Inc.
Registration Statement on Form S-1 to be filed with the Securities and Exchange
Commission on or about April 28, 2004 and any amendments thereto, and related
prospectus of W & T Offshore, Inc. for the registration of securities.

                                           NETHERLAND, SEWELL & ASSOCIATES, INC.

                                           By: /s/ G. Lance Binder
                                              ----------------------------------
                                              G. Lance Binder
                                              Executive Vice President

Dallas, Texas
April 28, 2004

