摘要
缝洞型碳酸盐岩油藏非均质性强,没有统一的油水界面,产水规律相对复杂。以塔里木H油田为研究对象,分析产水特征,利用地震、钻井、测井等资料,提出了不同的避水措施。采用原井眼侧钻、原井眼加深、上返作业等,避开水体,得到足够的避水高度,延长无水采油期,提高单井产量。现场试验表明措施效果明显,为区块高效开发奠定了基础。
The fracture-cavern carbonate reservoir is highly heterogeneous,no unified oil-water interface,and the water production is rather complicated. Taking H block of Tarim Oilfield as an example in this paper,the characteristics of water production is analyzed,and different water-zone-detouring measures are proposed based on seismic,drilling,and logging data. Sidetracking,well deepening,and other measures can be used to keep well sufficiently high above the water zone to elongate the oil production period without water production,and thus improving the single-well productivity. The field test has proven the measures are effective,laying a foundation for the highly effective development of the block.
出处
《钻采工艺》
CAS
北大核心
2017年第2期56-58,9,共3页
Drilling & Production Technology
关键词
碳酸盐岩油藏
缝洞型
避水措施
压裂工艺
carbonate reservoir
fracture-cavern type
water-zone-detouring measures
fracturing technology
