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                                                                    EXHIBIT 23.2
 
                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
 
     We consent to the incorporation by reference in the Registration Statement
of TransTexas Gas Corporation ("Company") on Form S-3 (File No. 33-91494) of our
reserve report dated February 1, 1997 ("Reserve Report"), and to the references
to our name under the caption "Experts" and elsewhere in the form and context in
which it appears in such Registration Statement. We also consent to the
references to our Reserve Report and to our name in the Company's Annual Report
on Form 10-K for the fiscal year ended January 31, 1997 in the form and context
in which they appear.
 
                                        NETHERLAND, SEWELL & ASSOCIATES, INC.
 
Houston, Texas
May 1, 1997