Responsibilities of petroleum prospectors: Discussions on dual logic and development trend of hydrocarbon exploration

SUN Longde,FENG Zihui,JIANG Hang,JIANG Tao

Fig. 8. Comparison of core analysis means and accuracy. (a) Core macroscopic fine drawing, centimeter-millimeter scale; (b) Rock thin section microscopic observation, millimeter-micron scale; (c) Energy dispersive elemental analysis by electron microscopy, micron-nanometer scale; (d) Field emission electron microscopy, nanometer scale.