Fork of the unmanaged NetSdoGeometry Project which it itself a fork of the project here on CodePlex
IT has been updated to to use Oracle.ManagedDataAccess.Core. The code snippet below shows how to use it.
OracleDataReader reader = command.ExecuteReader();
while (reader.Read())
{
NetSdoGeometry.SdoGeometry geom = reader["geometry"] as NetSdoGeometry.SdoGeometry;
}