Abstract: The SEC reserves rules are criteria and rules of oil and gas reserves established by the Securities and Exchange Commission (SEC) of the United States.The increasing and decreasing of reserves and the information disclosure directly affect the potential for oil companies in the United States to the next stage of development.It was discussed in this article the composition,source and multi-parameter factors of the annual new-added reserves and the SEC reserves in the Jiangsu Oil Field since the 9th Five-Year Plan.The relationship between the domestic annual added static reserves and the SEC reserves were studied,and their distribution trend and potential in the future were analyzed.This research provided the scale and situation of the SEC static reserves of the Jiangsu Oil Field in the 12th Five-Year Plan,which was the basement for accomplishing the task of annual SEC static reserves,and also showed guiding significance to oil companies for the next exploration and development investment.