In order to improve axial positioning control precision of precision pair automatic detection system,a quick and accurate position control method based on secondary fractional steps positioning is presented.

Seismic data acquisition system using ocean bottom cable:quality evaluation of first-break secondary positioning result;

Application of secondary positioning technique in OBC exploration operation;

A novel method study of hydrophone second positioning for oil exploration of ocean bottom;

A method for second positioning of ocean bottom cable is demonstrated.

In view of the difference, starting from theapplications of 2D and 3D acquisition method, dual receiver, and acoustic secondary positioningsystem we comprehensively expound the adva.