Attached files

file filename
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-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-23.3 - EX-23.3 - CARRIZO OIL & GAS INCh70146exv23w3.htm
EX-23.1 - EX-23.1 - CARRIZO OIL & GAS INCh70146exv23w1.htm
Exhibit 23.5
(LPC LOGO)
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 the information contained in our reserve report that is summarized as in our summary letter dated March 1, 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 report, letter, 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.
         
  LaRoche Petroleum Consultants, Ltd.
 
 
  /s/ William M. Kazmann    
  Name:   William M. Kazmann   
  Title:   Senior Partner   
 
March 15, 2010
4600 Greenville Avenue, Suite 160 Dallas, Texas 75206 Phone (214) 363-3337 Fax (214) 363-1608