scope:

1 Scope

This specification covers internal-combustion reciprocating enginesfor oil-field service, including methods of testing and rating forapplication to specific oilfield duties.

The methods of test stipulated herein are intended to afford thepurchaser a uniform basis for comparing similar equipment withrespect to capacity, energy requirements, and recommended speedrange. Since maintenance and durability factors have not beenincluded in the test procedure, it is assumed that comparisonsbetween engines will be made advisedly. The ratings for bareeingines are intended for use only in cases where engines aresupplied without cooling systems.