Carrizo Oil & Gas (CRZO) 10-K 2006 FY Annual report

FAX (713) 651-0849

1100 LOUISIANA SUITE 3800 HOUSTON, TEXAS 77002-5218 TELEPHONE (713) 651-9191

EXHIBIT 23.2

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

     We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Registration Nos. 333-35245, 333-55838, 333-116528 and 333-137273) of Carrizo Oil & Gas, Inc., a Texas corporation (the “Company”), relating to the 1997 Incentive Plan of the Company, and the Registration Statement on Form S-1 (Registration No. 333-136778) of the Company (collectively, the “Registration Statements”), of information contained in our reserve report that is summarized as of December 31, 2006 in our summary letter dated March 16, 2007, relating to the oil and gas reserves and revenue, as of December 31, 2006, of certain interests of the Company.

     We hereby consent to all references to such reports, letters and/or to this firm in each of the Registration Statements and each Prospectu to which any such Registration Statement relates, and further consent to our being named as an expert in each of the Registration Statements and each Prospectus to which any such Registration Statement relates.

RYDER SCOTT COMPANY, L.P.

Houston, Texas
March 28, 2007

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