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川东北地区嘉陵江组嘉二段储层特征研究等
RESERVOIR CHARACTERISTICS IN JIALINGJIANG 2 MEMBER IN NORTHEASTERN SICHUAN BASIN
李爱国 易海永
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作者单位:中国石油西南油气田公司勘探开发研究院
中文关键字: 四川盆地 川东北 嘉陵江组 嘉二段 储层特征
英文关键字:Sichuan Basin, Northeastern Sichuan Basin, Jialingjiang Formation, Jialingjiang 2 member, reservoir characteristics
中文摘要:    嘉二段是川东北地区嘉陵江组主要储层发育段和含气层段。区内嘉二段主要为各类云岩储层,其发育受沉积相及成岩作用双重影响;储层低孔、低渗,以类储层为主,储集类型主要为裂缝—孔隙型。嘉二储层具有层多、层薄、纵横向变化大的特点,纵向上主要包括嘉二2和嘉二1两套储层,横向上温泉井—罗家寨和铁山—亭子铺地区是川东北地区嘉二储层发育区,也是寻找嘉二气藏的有利区块。
英文摘要: Jialingjiang 2 Member  is the major reservoir-developed and gas-bearing interval in Jialingjiang Formation, northeastern Sichuan Basin. All types of dolomites are dominated in the member and its development is influenced by both sedimentary facies and diagenesis. Most reservoir characterized by low porosity and low permeability belongs to Type III. Reservoir is fractured-porous type. Reservoir in the member is characterized by multi-layer and thin layer as well as variable cross.  Longitudinally both member 22 and 21 of Jialingjiang Formation are included; laterally WenquanjingLuojiazhai and TieshanTingzipo are reservoir-developed areas in northeastern Sichuan Basin, which is a favorable block to find Jialingjiang 2 Reservoir.
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国内统一连续出版物号:CN51-1159/TE |国内发行代码: |国际标准出版物号:ISSN1673-3177 |国际发行代码:
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