沉积与特提斯地质2012，Vol.32Issue(1)：38-43,6.
川南观音场-瓦市地区须家河组六段储层特征及其控制因素
Reservoir characteristics and controlling factors of the 6th member of the Xujiahe Formation in the Guanyinchang-Washi region, southern Sichuan
王文之 1田景春 1张翔 2罗洋 1阳伟 3谭先锋1
作者信息
- 1. 成都理工大学沉积地质研究院,四川 成都610059
- 2. 成都理工大学“油气藏地质及开发工程”国家重点实验室,四川 成都610059
- 3. 中国石油西南油气田分公司蜀南气矿,四川 泸州646001
- 折叠
摘要
Abstract
The petrology, porosity, permeability and controlling factors are explored on the basis of the field investigation, core observation, microscopic examination and well logs from the 6th member of the Xujiahe Formation in the Guanyinchang-Washi region, southern Sichuan. The lithology in the study area mainly consists of medium- to fine-grained feldspathic litharenite and lilhic quartz sandstone, with the porosity ranging between 6% and 10% and an average of 7. 3% , and with the permeability ranging between 0. 03 × 10-3 μm2 and 0.9 × 10-3 μm2 and an average of 0. 177 × 10-3 μm2. The reservoirs cited above belong to the typical low-porosity and low-permeability reservoirs with intergranular and intragranular solution openings. In a planar view, the physical properties of the reservoirs tend to be controlled by sedimentary facies, and vertically, they become sharply poorer due to compaction and cementation with the increase of depths. On the whole, the physical properties of the reservoirs tend to be improved by the rim cementation of chlorite, dissolution of feldspar and tectonism in the study area.关键词
川南/须六段/储层特征/控制因素Key words
southern Sichuan/ 6th member of the Xujiahe Formation/ reservoir characteristics/ controlling factor分类
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王文之,田景春,张翔,罗洋,阳伟,谭先锋..川南观音场-瓦市地区须家河组六段储层特征及其控制因素[J].沉积与特提斯地质,2012,32(1):38-43,6.
