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岩性密度测井仪是由斯仑贝谢公司首先研制成功的。胜利油田测井公司从1983年开始研制岩性密度测井仪;1987年7月,仪器通过油田级鉴定。本文结合研制过程,在以下几方面作了介绍:(1)岩性密度测井的原理;(2)三级刻度系统的组成;(3)井下微机和地面微机的软、硬件;(4)探头的设计特点和能量窗阈值的选择等。文章还介绍了仪器的主要性能指标,并对测井效果作了评价。
Lithology density tool was first developed by Schlumberger. Shengli Oilfield logging company began to develop lithology density logging instrument since 1983; in July 1987, the instrument passed oil field identification. In this paper, the development process is described in the following aspects: (1) the principle of lithology density logging; (2) the composition of the three scale system; (3) the software and hardware of the underground microcomputer and the ground computer; (4) The design of the probe and the choice of the energy window threshold. The article also introduces the main performance indicators of the instrument and evaluates the logging results.