Identification of Lake Facies Dolomite Reservoir and Parameter&nbsp; Determination of Reserves Calculation in Es<sub>1</sub> of Southwest Qikou Sag

LIU  Yu-Mei, LIU  Yan-Fen, BANG  Shan, ZHANG  Shao-Hui, ZHOU  Yu-Wen, TAN  Shou-Qiang, ZHAO  Tong-Ze

doi:10.11764/j.issn.1672-1926.2010.04.584

2010 , Vol. 21 >Issue 4: 584 - 588

DOI: https://doi.org/10.11764/j.issn.1672-1926.2010.04.584

Identification of Lake Facies Dolomite Reservoir and Parameter Determination of Reserves Calculation in Es₁ of Southwest Qikou Sag

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Research Institute of Exploration and Development, Dagang tCompany, PetroChina, Tianjin 300280, China

Received date: 2010-03-07

Revised date: 2010-05-27

Online published: 2010-08-10

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Abstract

The sedimentary environment of low part of Es₁ in the southwest Qikou sag is closed and half-closed bend facies. There is a set of dolomite reservoir deposit from ban2 to ban4 oil layers. Through systematic sampling and description, we get the distribution of dolomite reservoir. We use the electric property and measured data of dolomite reservoir to do the lithologic discrimination, and then setup the identified pattern between electric property of dolomite reservoir and oil layers. Finally, we use the cast thin section and FMI imagery log information to determine the porosity type of dolomite reservoir. We also use the information about core physical property, nuclear magnetic resonance and dual lateral log to describe the fissure, matrix effective porosity and oil saturation calculation.

Key words： Dolomite; Matrix porosity; Fracture porosity; Saturation.

Cite this article

LIU Yu-Mei, LIU Yan-Fen, BANG Shan, ZHANG Shao-Hui, ZHOU Yu-Wen, TAN Shou-Qiang, ZHAO Tong-Ze . Identification of Lake Facies Dolomite Reservoir and Parameter Determination of Reserves Calculation in Es₁ of Southwest Qikou Sag[J]. Natural Gas Geoscience, 2010 , 21(4) : 584 -588 . DOI: 10.11764/j.issn.1672-1926.2010.04.584

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