EXHIBIT 23.3


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

         We hereby consent to the use of our reports relating to the proved oil
and gas reserves of Carrizo Oil & Gas, Inc. (the "Company"), to the information
derived from such reports and to the reference to this firm as an expert in the
Form S-2 registration statement and any amendments thereto filed by the Company
and in the prospectus to which the registration statement relates.

         We hereby consent to all references to such reports and/or to this firm
in each of the registration statement and the prospectus to which the
registration statement relates. We hereby consent to the incorporation of this
consent in any registration statement filed for the same offering pursuant to
Rule 462(b) under the Act.


                                             /s/ Fairchild and Wells, Inc.
                                             -----------------------------------
                                             Fairchild and Wells, Inc.

Houston, Texas
December 22, 2003