Influences of Porosity Error on Electrical Properties of Rotk and Updating Formula as Well as Correction Charts

doi:10.3863/j.issn.1000-2634.1995.03.007

西南石油大学学报(自然科学版) ›› 1995, Vol. 17 ›› Issue (3): 53-60.DOI: 10.3863/j.issn.1000-2634.1995.03.007

• 地质勘探 • Previous Articles Next Articles

Influences of Porosity Error on Electrical Properties of Rotk and Updating Formula as Well as Correction Charts

Zhang Kai-hong ¹Chen Yi-jian¹Chen Fu-xuan²

1.Center of Well Completion Techniques 2. Dept, of Exploration

Received:1994-12-19 Revised:1900-01-01 Online:1995-08-20 Published:1995-08-20
Contact: Zhang Kai-hong

Abstract

Abstract: Error of porosity has a great influence upon water saturation (S,.)and saturation expo-nent u.，may be free from cement factor correction，while it is necessary for those with a poeosity less than 20%to have a water saturation and saturation exponent factor correction. When the error of porosity is greater than士0. 5 p. u.，it is necessary for the samples with a poros-ity less than 15%to have a cement factor correction, and all the samples to make a water saturation and saturation exponent correction.

Key words: Porosity, Rock electrical parameter, Cement factor, Water saturation, Saturation exponent, Error correction

CLC Number:

P631. 85

Zhang Kai-hong Chen Yi-jian Chen Fu-xuan. Influences of Porosity Error on Electrical Properties of Rotk and Updating Formula as Well as Correction Charts[J]. 西南石油大学学报(自然科学版), 1995, 17(3): 53-60.

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Influences of Porosity Error on Electrical Properties of Rotk and Updating Formula as Well as Correction Charts

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