CL65 CREW HAD AN ENG FAILURE THAT RESULTED IN A DIVERSION TO AN INAPPROPRIATE ARPT.

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WE DEPARTED ATW AT XA30Z. THE TKOF; CLB AND CRUISE SEGMENTS OF FLT WERE NORMAL WITH ALL ENG PARAMETERS WITHIN NORMAL OPERATING LIMITS. IN CRUISE FLT (FL270) AT APPROX XB10Z; WE EXPERIENCED A RAPID ROLLBACK ON THE #2 (R) ENG WITH LOW OIL PRESSURE WARNINGS. THERE WAS NO ADVERSE CTLABILITY. A DECISION WAS MADE TO DECLARE AN EMER AND INITIATE A TURN TOWARDS LAF; APPROX 60 NM E OF OUR POS. (DURING THE REMAINDER OF THE INCIDENT; CAPT FLEW THE ACFT AND WAS IN CONTACT WITH ATC. I RAN ALL CHKLISTS; COMMUNICATED WITH OUR DISPATCHER; BRIEFED THE FLT ATTENDANT; AND MADE GENERAL ANNOUNCEMENTS TO THE PAX.) ATC WAS NOTIFIED AND THE CAPT INITIATED A DSCNT. WE ACCOMPLISHED THE 'SINGLE ENG PROC' CHKLIST. AN ENG RELIGHT WAS ATTEMPTED AS PER THE CHKLIST. THE ENG FAILED TO RELIGHT AND WE NOTED THAT THERE WAS ZERO ROTATION ACCORDING TO ENG INSTS. THE PROC WAS CHKED AGAIN AND THE CAPT AND I CONCURRED THAT THE RESTART FAILED. I THEN COMPLETED THE 'SINGLE ENG LNDG' CHKLIST. DISPATCH WAS CONTACTED. ACTUAL LNDG DISTANCE WAS CALCULATED AND ARRANGEMENTS WERE MADE FOR OUR ARR IN LAF. I DISCUSSED THE SIT WITH THE FLT ATTENDANT; AND MADE A BRIEF ANNOUNCEMENT TO THE PAX. WE WERE GIVEN VECTORS TO THE ILS RWY 10 AT LAF. CONDITIONS WERE VFR. PERHAPS DUE TO A LATE HDOF FROM APCH; THE TWR SEEMED CONFUSED WHEN WE CONTACTED THEM; ASKING US WHAT RWY WE WERE LNDG AND THEN ASKING US TO RPT THE OM INBOUND; WHICH WE HAD ALREADY PASSED. WE ASKED TWICE IF EMER EQUIP HAD BEEN DISPATCHED. WE WERE ASSURED THAT IT HAD BEEN; BUT IT WAS NOT VISIBLE TO US DURING APCH AND LNDG. DURING THIS CONFUSION; THE FULL 'BEFORE LNDG CHKLIST' WAS NOT READ. AS A RESULT; WE LANDED WITHOUT THE THRUST REVERSER ARMED ON THE OPERATING ENG. AFTER AN UNEVENTFUL LNDG; WE TAXIED TO THE RAMP AND PARKED THE ACFT. IN REVIEW: THE SAFETY OF OUR PAX WAS OUR FIRST PRIORITY AND ALTHOUGH WE COULD NOT PREVENT THE ENG FROM FAILING; WE TOOK QUICK AND DECISIVE ACTIONS TO REDUCE THE POSSIBILITIES OF FURTHER PROBS. CHKLISTS WERE USED AT ALL TIMES AND WE DID NOT STRAY FROM THE CONCEPTS EMPLOYED BY COMPANY POLICY AND TRAINING.