Refined Technologies has developed a program to improve net income for petroleum refineries. Specifically, the Strategic Chemistry initiative is "the timely use of chemistry, specifically to improve operating margins". Following the successful cleaning of thousands of refinery vessels, in preparation for turnaround maintenance or strictly for the purpose of increasing throughput or reducing energy expense, the petroleum refining industry has discovered that routine in-line cleaning of operating equipment allows consistently improved operations and higher Solomon Refinery Performance Index performance.