The paper introduced several common cased-hole logging techniques and their application in Zhuanghai-401 well in Dagang Oilfield.
本文介绍了几种常用的过套管测井技术，并将其应用于大港油田的庄海401井。
A well log runs in a cased hole to evaluate the cement job behind the casing. The cement-bond log is the most common.
一种套管井测井方法，用于评价套管外注水泥作业。最常用的是水泥胶结测井。
The principle of the new method applies not only to cased hole interpretation but also to the interpretation of exploration well and adjustment well.
本方法的原理不仅适用于套管井的解释，而且可以推广到探井和调整井的测井解释中。
Sometimes, the work over operation must be done to large diameter cased bore hole for the need of production of the well.
因生产需要，有时要对大套管井筒进行修井。
As far as cased-hole formation resistivity logging, the key problems needed to be solved are detection of ultra-low frequency and extremely weak signals, as well as reduction of strong interferences.
超低频、纳伏级信号的检测以及强干扰的抑制是过套管地层电阻率测井需要解决的关键问题。
As far as cased-hole formation resistivity logging, the key problems needed to be solved are detection of ultra-low frequency and extremely weak signals, as well as reduction of strong interferences.
超低频、纳伏级信号的检测以及强干扰的抑制是过套管地层电阻率测井需要解决的关键问题。
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