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NECESSARY CONDITIONS FOR EXISTENCE OF ONE KIND OF φ-V EQUATIONS
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作者 李宁 《Chinese Science Bulletin》 SCIE EI CAS 1986年第7期502-503,共2页
Acoustic logging is an important method for determining the porosity of rocks in oil exploration. Due to complications of geologic conditions, a representation formula strictly describing the relation between the velo... Acoustic logging is an important method for determining the porosity of rocks in oil exploration. Due to complications of geologic conditions, a representation formula strictly describing the relation between the velocity V of compressional wave(or shear wave) of a rock and its porosity φ has so far not been found. The φ-V equations used in logging interpretation come either from ideal models or from statistical studies. Not only have they limitations in practice, but some of them are even incorrect. Therefore, it is necessary to establish a theoretical standard 展开更多
关键词 LOGGING porosity GEOLOGIC interpretation rock V EQUATIONS LIMITATIONS SOMETIMES determining describing
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