The C/O surface equipment, its downhole pulse neutron generator and detector have been improved so as to make C/O logging repeatedly.

　
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  • 為進(jìn)行碳氧比測井多遍測量，對地面儀器、井下脈沖中子發(fā)生器、探測器做了技術(shù)改進(jìn)。
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