对五宝场构造加砂压裂工艺的几点认识  

SAND FRACTURING TECHNOLOGY IN WUBAOCHANG GAS FIELD

作　　者：杨健[1] 花仁敬 

机构地区：[1]四川石油管理局低效油气合作开发部 [2]川东钻探公司

出　　处：《钻采工艺》2007年第2期42-45,153,共4页Drilling & Production Technology

摘　　要：五宝场构造的主产层沙庙组属于低孔低渗的致密储层,产层内含有天然裂缝,微裂缝较为发育,进行加砂压裂施工必须全方位地考虑各种因素可能产生的影响。分析五宝浅2井沙溪庙组下段和上段的加砂压裂过程,对下段按照常规加砂压裂模式进行,造成了砂堵,仅加进地层9t支撑剂,但仍然获得了一定的产能,说明对于五宝场构造这类含有天然裂缝的产层,向地层中加砂时进入少量支撑剂也可能沟通天然裂缝见到效果。通过对五宝浅2井沙溪庙组同一产层两个层段加砂压裂的现场施工过程的分析、对比和总结,对五宝场构造下一步的加砂压裂施工作业提出建议和设想。Shaximiao gas reservoir of Wubaochang gas field belongs to the low porosity and low permeability tight layers, there are natural cracks and many microfracture in formation. These effects on sand fracturing must be taken into account carefully. During routine sand fracturing in Wubaochang Qian well 2, sand sealing was formed in lower segment, but definite productivity was obtained. Through analysis, correlation and summarization of the sand fracturing technology in the Qian Well 2 of Shaximiao gas reservoir, some opinions on sand fracturing technology for Wubaochang gas field have been put forward.

关 键 词：五宝场构造 沙溪庙组 加砂压裂 井下作业 

分 类 号：TE357[石油与天然气工程—油气田开发工程]