In view of the high risk in drilling new-field wildcats in frontier areas, the geological risk and strategic value should be taken into consideration besides the reliability of the prospects during selecting of the best traps to drill.

• 摘要根据新区预探圈闭钻探风险高的特点，提出预探圈闭的优选评价除考虑圈闭可靠性和有效性之外，还应着重考虑圈闭的地质风险和战略价值（简称含油气概率与战略价值评价法）。