A tool or course of that adjusts a measured API gravity worth to its equal at a regular temperature of 60 levels Fahrenheit. This standardization is essential within the petroleum {industry} as a result of the amount of crude oil and its merchandise modifications with temperature. For instance, a pattern of crude oil might have an API gravity of 35 at 80 levels Fahrenheit, however after correction, it is likely to be reported as 36.5 at 60 levels Fahrenheit. This corrected worth is used for correct pricing and quantity calculations.
The necessity for a constant reference level stems from the financial impression of quantity variations. Pricing, taxation, and custody switch of petroleum merchandise are all based mostly on quantity. With no standardized temperature, these processes could be inconsistent and unfair. Traditionally, guide calculations utilizing advanced formulation had been required; these had been susceptible to errors. The appearance of digital instruments has improved the accuracy and effectivity of this conversion, resulting in extra dependable transactions and stock administration.