本文介绍了利用地层倾角测井研究裂缝方位与求裂缝强度的定量表达式和将表示裂缝强度的所谓裂缝指数(F.I.)与油井产量建立的经验关系。该关系再与油井偿还投资费用的经济效益结合,就可得出确定一个地区的工业性裂缝指数截止值的方法,并例举了该方法在部署井位和完井作业上的成功应用。 This paper introduces the quantitative expressions of fracture orientation and fracture strength using dip dip logging and the empirical relationship between the so-called fracture index (F.I.), which represents the fracture strength, and the well production. This relationship, combined with the economics of oil well repayment investment costs, leads to a method of determining the cut-off value of an industrial CRI in a region and illustrates the successful application of the method in well locations and completion operations.