What was found
ON INITIAL CLIMB OUT, NR 2 ENG OIL PRESS GAUGE DROPPED FROM NORMAL READING IMMEDIATELY TO ZERO PSI, ON RT ECAM, ADVISORY FLASHED & THE ENG PAGE INDICATED ZERO PSI FOR THE NR 2 ENG. THROTTLE NR 2 POSITIONED TO IDLE QRH COMPLIED WITH. TOTAL TIME OF ZERO OIL PRESS WAS 37 MINUTES. ALL OTHER INDICATION WERE NORMAL, WITH NO CAUTION OR WARNING DISPLAYED ON ECAM. ENG NR 2 SHUTDOWN AFTER LANDING & ACFT WAS TOWED TO PARKING. NR 2 OIL QTY REMAINED NORMAL THROUGHOUT FLIGHT. R & R NR 2 ENG DUAL INDICATOR IAW AMM 79-33-21-04. RAN NR 2 ENG IAW JRH ALL INDICATIONS NORMAL. OK TO CONTINUE.