关键词: 石油, 天然气, 储量评估, SEC标准, 含油气面积, 油气采收率

Abstract: The SEC standard for proven reserves has been followed by oil companies listed in the securities markets of the United States.In conclusion,this standard has ten key aspects should be emphasized,including reasonable certainty,existing economic and operating conditions,economic production capacity,gas-oil and/or oil-water contacts and proven oil-bearing area,the reliability of physical data from core analyses and/or log interpretations,improved reserves after enhancing oil recovery,limits of proving developed reserves,limits of proving undeveloped reserves,economic evaluation,application of probability approach.The determination of proved area and proved reserves by improved recovery techniques are important for the use of SEC standards in China,because there is a big gap between China and the western countries about the evaluation standards for determining hydrocarbon-bearing area and enhancing reserves.

Key words: oil, gas, reserves estimation, SEC standard, hydrocarbon-bearing area, hydrocarbon recovery efficiency