ATP OIL & GAS CORP - FORM 10-K/A - EX-23.3 - CONSENT OF COLLARINI ASSOCIATES - December 10, 2010

Attached files

file filename
10-K/A - AMENDMENT NO. 1 TO FORM 10-K - ATP OIL & GAS CORPd10ka.htm
EX-31.2 - SECTION 302 CERTIFICATION OF CFO - ATP OIL & GAS CORPdex312.htm
EX-23.6 - MANAGEMENT REPORT - RYDER SCOTT COMPANY, L.P. - GULF OF MEXICO - ATP OIL & GAS CORPdex236.htm
EX-31.1 - SECTION 302 CERTIFICATION OF CEO - ATP OIL & GAS CORPdex311.htm
EX-23.4 - CONSENT OF RYDER SCOTT COMPANY, L.P. - ATP OIL & GAS CORPdex234.htm
EX-23.5 - MANAGEMENT REPORT - COLLARINI ASSOCIATES - ATP OIL & GAS CORPdex235.htm
EX-23.7 - MANAGEMENT REPORT - RYDER SCOTT COMPANY, L.P. - NETHERLANDS - ATP OIL & GAS CORPdex237.htm

Exhibit 23.3

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

We hereby consent to the use of our report, dated February 15, 2010, relating to the proved oil and gas reserves of ATP Oil & Gas Corporation as of December 31, 2009, to the information derived from such report and to the reference to this firm as an expert in the annual report on Form 10-K. We also consent to the incorporation by reference of such reports in the Registration Statements of ATP on Form S-3 (333-162574) and Form S-8 (333-60762).

Collarini Associates

/s/ Mitch Reece, P.E.

President

December 10, 2010

ATP OIL & GAS CORP Reports