Petroleum is an industrial term, relative to mineral resources, the commonly referred to as the petroleum industry, is a mineral resource industry. In the process of oil exploration, the oil reserves are calculated and determined according to the degree of exploration and proven conditions. Petroleum reserves are the results of geological exploration and a kind of original mineral resources to be developed.
Crude oil is the oil that is mined in the rock stratum and extracted. It maintains its original physical and chemical form. It is the primary product of the petroleum industry. It realizes its use value and is the result of oilfield development. output of mineral resources.
The term petroleum is mostly used to describe the permeability, porosity and grade of oil reservoirs. The term crude oil is mostly used in national statistics of crude oil production statistics, evaluation of crude oil physical and chemical properties, and used to explain recovery rate, recovery degree and oil recovery speed.
Petroleum as a mineral resource refers to oil containing water and gas, while crude oil is an industrial product in which water and gas have been separated from oil, which is a qualified industrial product.

5136-RE-VME SST remote I/O network of Model interface card