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美国哈里伯顿公司的六臂地层倾角测井解释软件SHIVA,采用基于球面映像技术的地层产状计算方法。该方法从视倾斜向量在球面及投影平面上的投影出发,依据同一层面上两个互不相关的视倾斜向量可以唯一地确定一个层面的基本原理,将地层产状的计算转化为映像平面上点的坐标的确定。该方法适用于六臂地层倾角测井仪器的特点。本文详细探讨了基于球面映像技术确定地层产状的基本原理,并分析了该技术在六臂地层倾角测井资料处理中的应用。
The SHALLA, a six-limbs dip interpretation software from Halliburton, used a ground-based calculation method based on spherical mapping. Based on the projection of the apparent tilt vector on the spherical and projection planes, the basic principle of one layer can be uniquely determined according to the two independent apparent tilt vectors on the same plane, and the calculation of formation probit is transformed into the mapping plane The coordinates of the point to determine. This method is suitable for the characteristics of six-limbed dip logging tool. This paper discusses in detail the basic principle of determining the formation of formation based on the spherical image technology and analyzes the application of the technique in the data processing of six-limbs dip logging.