Physical Characteristics and Their Relations to Logging of theCarboniferous Volcanic Reservoirs in Luxi Area, Junggar Basin
Received date: 2007-11-14
Revised date: 2008-02-22
Online published: 2008-04-10
This paper analyzes the Carboniferous volcanic rocks of the Luxi area in the hinterland of Junggar basin and establishes the model of volcanic rocks facies. The rocks are divided into five facies: volcanic channel facies, explosive facies, effusive facies, extrusive facies, volcanic sedimentary facies. The test of 156 samples for the porosity and 104 samples for the permeability shows that different rock facies have different physical properties. The investigation reveals that the explosive and effusive facies are better than the other facies. This investigation also finds that different lithology have different physical properties and the slaggy basalt, the amygdaline basalt and the volcanic breccia have the best physical properties. In a favorable condition, the combination of the rock facies and the lithology may produce good reservoirs. In addition, the relation between porosity and logging is different among different volcanic rocks, yet it is not strong in general.
ZHANG Shun-cun,;WANG Ling ;SHI Xin-pu ; FANG Lin-hao,;DONG Wen-ju,;KONG Yu-hua . Physical Characteristics and Their Relations to Logging of theCarboniferous Volcanic Reservoirs in Luxi Area, Junggar Basin[J]. Natural Gas Geoscience, 2008 , 19(2) : 198 -203 . DOI: 10.11764/j.issn.1672-1926.2008.02.198
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