SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549




                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


       Date of Report (date of earliest event reported):  November 4, 2003

                             CARRIZO OIL & GAS, INC.
             (Exact name of registrant as specified in its charter)


         Texas                    000-22915                  76-0415919
  (State or other                (Commission             (I.R.S. Employer
  jurisdiction of                File Number)           Identification No.)
   incorporation)


                      14701 St. Mary's Lane
                            Suite 800
                          Houston, Texas                      77079
             (Address of principal executive offices)      (Zip code)




       Registrant's telephone number, including area code: (281) 496-1352





Item 5.    Financial Statements and Exhibits.

           (c)      Exhibits

           The following exhibit is furnished pursuant to Item 12:

           99.1     Press Release, dated November 4, 2003, Announcing Third
                    Quarter 2003 Production

Item 12.          Results of Operations and Financial Condition.

                  The press release  attached  hereto as Exhibit 99.1  announces
production, prices and other operational results for the third quarter of 2003.

                  None  of  the  information   furnished  in  Item  12  and  the
accompanying  exhibit  will be deemed  "filed" for purposes of Section 18 of the
Securities  Exchange Act of 1934, not will it be  incorporated by reference into
any  registration  statement filed by Carrizo Oil & Gas under the Securities Act
of  1933,  as  amended,   unless   specifically   identified  therein  as  being
incorporated  therein by reference.  The  furnishing of the  information in this
report is not intended to, and does not, constitute a determination or admission
by  Carrizo  Oil & Gas,  that the  information  in this  report is  material  or
complete,  or that investors should consider this  information  before making an
investment decision with respect to any security of Carrizo Oil & Gas.


                                       2



                                   SIGNATURES



                  Pursuant to the requirements of the Securities Exchange Act of
1934,  the  registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.


                                                     CARRIZO OIL & GAS, INC.




                                              By: /s/ PAUL F. BOLING
                                                  --------------------
                                              Name:     Paul F. Boling
                                              Title:    Vice President and
                                                        Chief Financial Officer
Date:  November 4, 2003



                                       3


                                  EXHIBIT INDEX



99.1     Press Release, dated November 4, 2003, Announcing Third Quarter 2003
         Production.


                                       4