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为了消除泥浆对测井的影响,提高测井精度,我队从1973年8月开始,在党的领导下,工人参加设计,大搞三结合,在北京微电机厂和江苏武进罗溪农机厂大力协助下,于1974年4月,设计并试制成了第一台液压推靠器(图一)。液压推靠器是一种贴井壁测井的重要手段,如井壁声波、井壁中子和密度测井,采用推靠器把探头推向井壁,可以一次下井,由地面控制探头的收拢和张开,进行重复多次测量。经过三年多实践,液压推靠器先后经过三次重大改进,并在四个油田十八口井上配合密度测井进行了近百次反复试验。从已测得大量曲线可以看到:液压推靠器结构原理正确,在测井过程中推靠力符合要求,动作灵活可靠,收放腿自如,贴合井壁良好,所
In order to eliminate the impact of mud on logging and improve the logging accuracy, our team started from August 1973, under the leadership of the party, the workers participated in the design, vigorously engaged in three combinations, in Beijing Micro-motor Factory and Jiangsu Wujin Luo River Farm Machinery Factory With great assistance, in April 1974, the first hydraulic pusher was designed and manufactured (Figure 1). Hydraulic pusher is an important method of wellbore logging, such as borehole sound wave, borehole neutron and density logging. The pusher is used to push the probe to the well wall, so that the well can go down once and the ground control probe retracts And open, repeated multiple measurements. After more than three years of practice, the hydraulic pusher has undergone three major improvements in succession and nearly one hundred repetitive tests were carried out in conjunction with density logging on the 18 wells of the four oil fields. A large number of curves have been measured can be seen: hydraulic pushers structure principle is correct, in the logging process to meet the requirements of the thrust, flexible and reliable action, leg retractable free, fit well well, the