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Method and logging device combining a measurement of the conventional induction and a measurement of a dielectric hf
Method and logging device combining a measurement of the conventional induction and a measurement of a dielectric hf
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机译:方法和测井装置结合了常规感应的测量和电介质高频的测量
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摘要
A well logging system is provided which simultaneously employs a conventional deep induction log and a radio frequency dielectric log to differentiate similar high resistivity fresh water and oil prospective zones. A 16 megahertz radio frequency dielectric induction logging system which is responsive to both conductivity and permittivity of the earth derives a signal primarily related to both of these properties. A conventional 20 kilohertz deep induction system is used to derive a signal which is primarily a function of conductivity alone. When combined in accordance with predetermined relationships according to the invention the two measurements can be used to find oil prospective zones.
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