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US08692547B2 Formation evaluation capability from near-wellbore logging using relative permeability modifiers 有权
使用相对渗透率改性剂近井测井的地层评估能力

Formation evaluation capability from near-wellbore logging using relative permeability modifiers
Abstract:
Nano-particles that possess either selective fluid phase blocks or modify the relative permeability of an earth formation to different fluids are used to inhibit the invasion of borehole mud into the formation. This makes it possible to make formation evaluation measurements using sensors with a shallow depth of investigation.
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