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The dynamic NC bilateral study of the logging tool

Author: LiuWenJing
Tutor: GuoYanZhenï¼›GaoZongHai
School: Xi'an University of Technology
Course: Measuring Technology and Instruments
Keywords: Bilateral to Lateral logging tool Electrode system NC Imager Logging methods Three lateral Measuring range Resistivity curve Estimation of Distribution
CLC: P631.83
Type: Master's thesis
Year: 2000
Downloads: 175
Quote: 3
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Abstract


The electrical logging logging methods in a very important part of it is based on the difference in ability of the material to conduct a logging method . From the initial spontaneous potential to single electrode until today's complex electrode system and the corresponding circuit gradually improve the marked electrical method logging has been toward maturity . Lateral logging tool consists of three lateral , seven lateral and bilateral to the same measurement principle ( current focus ) , the electrode system structure is significantly different , the three instruments are complex electrode system logging meter, three lateral logging tool used for the first time the concept of lateral logging , which is a leap forward in the history of the development of the logging tool . Two important indicators of the lateral logging tool is vertical resolution and depth of the probe as several lateral logging tool electrode structure , so they are these two indicators is also different . Bilateral in three lateral logging tool , seven lateral logging tool evolved , it draws on the advantages of three, seven lateral , which makes it widely used in the logging industry . In general , bilateral logging tool is mainly used for the resistivity of the formation ; explain experts according to the resistivity curve , combined with the formation parameters inferred oil reserves ; Similarly , in the coal exploration , bilateral logging tool . You can fault distribution approximate distribution of the estimated coal . In addition, positioning resistivity imaging logging tool in the bilateral upward , it is widely used in Western countries , but in our country, the Imager has just started . This paper introduces a bilateral to the various components of the logging tool , focusing on how to accurately and reliably current focus . The introduction of \The subject to simulate the resistance box for the object to be measured , the use of single-chip power control in order to expand the range of resistivity measurements . Through a large number of experiments and data analysis showed that the use of the operational amplifier can be \: Mixed measurement .

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CLC: > Astronomy,Earth Sciences > Geology > Geology, mineral prospecting and exploration > Geophysical exploration > Underground geophysical > Instrument
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