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10-K - FORM 10-K - CARRIZO OIL & GAS INCh70146e10vk.htm
EX-23.4 - EX-23.4 - CARRIZO OIL & GAS INCh70146exv23w4.htm
EX-21.1 - EX-21.1 - CARRIZO OIL & GAS INCh70146exv21w1.htm
EX-99.2 - EX-99.2 - CARRIZO OIL & GAS INCh70146exv99w2.htm
EX-31.1 - EX-31.1 - CARRIZO OIL & GAS INCh70146exv31w1.htm
EX-23.5 - EX-23.5 - CARRIZO OIL & GAS INCh70146exv23w5.htm
EX-99.3 - EX-99.3 - CARRIZO OIL & GAS INCh70146exv99w3.htm
EX-32.1 - EX-32.1 - CARRIZO OIL & GAS INCh70146exv32w1.htm
EX-99.1 - EX-99.1 - CARRIZO OIL & GAS INCh70146exv99w1.htm
EX-32.2 - EX-32.2 - CARRIZO OIL & GAS INCh70146exv32w2.htm
EX-23.2 - EX-23.2 - CARRIZO OIL & GAS INCh70146exv23w2.htm
EX-31.2 - EX-31.2 - CARRIZO OIL & GAS INCh70146exv31w2.htm
EX-23.1 - EX-23.1 - CARRIZO OIL & GAS INCh70146exv23w1.htm
EXHIBIT 23.3
     
(RYDER SCOTT COMPANY LOGO)
   
 
   
TBPE REGISTERED ENGINEERING FIRM F-1580
  FAX (713) 651-0849
1100 LOUISIANA     SUITE 3800       HOUSTON, TEXAS 77002-5218
  TELEPHONE (713) 651-9191
CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
     We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Registration Nos. 333-162888, 333-35245, 333-55838, 333-116528 and 333-137273) of Carrizo Oil & Gas, Inc., a Texas corporation (the “Company”), relating to the Incentive Plan of the Company, and the Registration Statements on Form S-3 (Registration Nos. 333-159237, 333-142345 and 333-142346) of the Company (collectively, the “Registration Statements”) of information contained in our reserve report that is summarized as of December 31, 2009 in our summary letter dated February 23, 2010, relating to the oil and gas reserves and revenue, as of December 31, 2009, 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 Prospectus 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.
\s\ Ryder Scott Company, L.P.
RYDER SCOTT COMPANY, L.P.
TBPE Firm Registration No. -1580
Houston, Texas
March 12, 2010
             
1200, 530 8TH AVENUE, S.W.   CALGARY, ALBERTA T2P 3S8   TEL (403) 262-2799   FAX (403) 262-2790
621 17TH STREET, SUITE 1550   DENVER, COLORADO 80293-1501   TEL (303) 623-9147   FAX (303) 623-4258