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油气储层岩石在不同状况下所测定的电阻率值是地球物理测井解释的重要依据。文章全面地介绍了ARS-300TM电阻率测试系统的结构组成及其相应的用途和测定时的精度保证;对仪器设计的局限性进行了讨论,并首次提出了仪器的改进设计。实际应用证明,改进后的ARS-300TM电阻率测试系统测定资料准确可靠,更符合地层的实际情况。
The resistivity values determined by oil and gas reservoir rock under different conditions are important basis for geophysical logging interpretation. This paper introduces the structure and composition of ARS-300TM resistivity testing system and its corresponding usages and the assurance of accuracy during the measurement. The limitations of the instrument design are discussed. The improved design of the instrument is first proposed. Practical application shows that the improved ARS-300TM resistivity measurement system is accurate and reliable, which is more in line with the actual situation of the formation.