第39参第4期 2017年7月
石油钻采工艺
OIL DRILLING & PRODUCTION TECHNOLOGY
文章编号：10007393(2017)04042405
DOI:10.13639/j.odpt.2017.04.006
哈拉哈塘油田生产井井壁垮塌原因分析
杨文明昌伦杰朱轶高春海罗慎超
中国石油塔里术油田分公司开发事业部
Vol. 39 No. 4 July 2017
引用格式：杨文明，昌伦杰，朱轶，高春海，罗慎超.哈拉哈塘油图生产并并壁跨竭原因分析[』].石油钻采工艺，2017,39(4)： 424-428.
摘要：哈拉哈塘油田油并主要采用裸眼完并方式，生产过程中由于井壁失稳，部分并裸眼段发生不同程度井壁跨塌，造成油并减产或者停产。通过对境娟井返出岩样及并径测并的综合分析，确定了并壁竭层位主要为良里塔格组及一间房组。从并壁琦编机理角度，对地应力场及跨损并的跨确层位、完并方式、储层类型、生产特征等造行了分析，得出并壁跨端主要询油井外图和内圈综合作用引起的，内圈包括储层性质、储集规模和区域地应力；外图包括究井方式和储层改造措施。认为井眼轨连与天然裂缝的匹配关系对并壁稳定有一定的影响（内固)，而地应力失衡、岩石强度低、地层压力释放以及酸压、射孔是哈拉哈塘油并壁琦塌的外图，也是主要原因。
关键词：哈拉哈塘；碳酸盐岩；并壁垮塌；应力失衡；酸压；射孔
中图分类号：TE273
文献标识码：A
Analysis on the causes of the open-hole section collapse of
oil production wells in Halahatang Oilfield
YANG Wenming, CHANG Lunjie, ZHU Yi, GAO Chunhai, LUO Shenchao
Development Management Deparimenr, CNPC Tarim Oilfield Company, Korla 841000, Xinjiang, Chind
Citation: YANG Wenming, CHANG Lunjie, ZHU Yi, GAO Chunhai, LUO Shenchao. Analysis on the causes of the open-hole section collapse of oil production wells in Halahatang Oilfield [ J J . Oil Drilling & Production Technology, 2017, 39(4): 424-428
Abstract: The oil wells in Halahatang Oilfield are mainly in the patterm of open hole completion. Due to the borehole instability in the process of production, wellbore collapse of different degrees happen in some open-hole sections, leading to production reduction and even shut in of the oil wells. And as a result, the normal production of the oil wells is seriously impacted. In this paper, the return cut-tings and the caliper log of collapsed wells were analyzed comprehensively. It is figured out that the wellbore collapse mainly occurs in the Lianglitage Formation and Yijianfang Formation. Then, the in-situ stress field and the collapse horizon, completion mode, reservoir type and production performance of collapsed wells were analyzed from the viewpoint of wellbore collapse mechanisms. It is indicated that the wellbore collapse is mainly caused by the joint effect of internal and extermal factors of oil wells. The internal factors include reservoir property, reservoir scale and regional in-situ stress, and the extermal factors include completion mode and reservoir stimulation measure. It is revealed that the matching relation between the well track and the natural fracture has some effect on wellbore stability(the internal factor), and in-situ stress imbalance, low rock strength, formation pressure release, acid fracturing and perforation are thc extemal factors as well as the main causes of wellbore collapse in Halahatang Oilfield.
Key words: Halahatang; carbonate rock; wellbore collapse; stress imbalance; acid fracturing; perforation
哈拉哈塘油田位于塔里木盆地塔北隆起轮南低凸起西围斜哈拉哈塘鼻状构造带上。奥陶系沉积期
至志留系沉积前，塔北地区发生了多次构造升，期间整个塔北表现为一大型南倾斜坡1。在断裂及裂
第一作者：杨文明（1983-),2008年毕业于西南石油大学油气田开发工程专业，现主要从事碳酸盐案沟藏研究与管理工作，工程师。通试
地址：(841000)新债库尔敦市塔里术油用分公司开发事业部。电话：0996-2175635。E-mail：252154860@qq.com
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