侏罗系上统蓬莱镇组 （Penglaizhen Fm J3） 杨博泉、孙万铨1946年命名蓬莱镇砂岩系。命名地点在四川蓬溪县蓬莱镇（今大英县）；蓬溪县高平黄朝门至中江县广福凤凰寨剖面可作参考剖面（四川省地质局，1980）。
本文从蓬莱镇组浅层气藏的储层特征入手，找出产生速敏效应的潜在因素；
The potential factors of causing damages to reservoirs due to the inappropnriate flowing velocity are analysized in this article.
蓬莱镇组气藏是川西北地区新场气田成组气藏中的主力气藏，加砂压裂改造储层取得重大进展。
Gas reservoirs situated in Penglaizhen sector are major ones in northwest area, reservoir improvements make significant development by sand fracturing.
蓬莱镇组主要是一套河流—三角洲—湖泊沉积组合，并可划分出三个沉积相、6个亚相和14个微相。
Facies of group Penglaizhen are a combination of fluvial, delta and lacustrine facies and information of formation Penglaizhen can be divided to 3 facies, 6 subfacies and 14 microfacies.
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