Distribution of Volcanic Reservoir in Shahejie Group of 5＃Structure Nanpu Depression and Its Feature
Received date: 2009-07-26
Revised date: 2009-12-15
Online published: 2010-06-10
A lot of evidences of oil and gas was discovered, some of them getting the commercial oil and gas flow, suggesting the good petroleum exploration in the Shahejie volcanic rock body.But, the volcanic rock has the complex lithology associated with different types.The depositional facies is mainly composed of extrusion, effusive, outpour and volcanogenic facies, the intrusive faices exists in partial location.In the multiphase volcanic activities, the lithology, facies of volcanic rock and types of volcanic reservoir and pore structure is different for every activity.The almond body hole and grain dissolved pore is the main accumulated space in the volcanic reservoir.And the volcanic reservoir manly distributed in effusive face and outpour face.The fissure is not only the hub between the fissure and pore, pore and pore, fissure and fissure, but also the main reservoir space.The main factor of volcanic reservoir development is tectonic action, weathering and leaching, thermal fluid activity.
Key words： Pore; Fissure; Volcanic reservoir; Nanpu depression.
LI Zu-Bing, WANG Jian-Wei, LIU Yang . Distribution of Volcanic Reservoir in Shahejie Group of 5＃Structure Nanpu Depression and Its Feature[J]. Natural Gas Geoscience, 2010 , 21(3) : 413 -420 . DOI: 10.11764/j.issn.1672-1926.2010.03.413
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