Here are a few links that might be of help, depending upon your use-case.
This Thread: Oracle Coherence Examples with Oracle SOA suite 188.8.131.52.0 and JDeveloper.
Also, note that for Oracle Service Bus, there is out of the box integration for Service Result Caching. e.g. using Coherence to cache the results of OSB calls. See http://www.oracle.com/technetwork/articles/soa/bus-coherence-caching-421276.html