裂缝性灰岩油藏堵水酸化联作技术研究与试验

Study and field test of integrated plugging and acidizing
technology in fractured limestone reservoir

葛红江1 唐兰芳2 吴长胤

大港油田有限公司采油工艺研究院，天津300280 大港油田有限公司第二采油厂，天津300280

裂缝性灰岩油藏普遍存在开发初期见水快、含水升高快的问题，采用堵水酸化联作工艺技
术解决了此类问题。以大港油田王徐庄油田为研究目标，进行了裂缝定量预测和定性预测方法研究，建
立了堵水酸化联作工艺技术的数值模型和基于数值模拟的设计方法，进行了数值模拟研究。数值模拟结
果能够解释现场应用时的各种现象和效果，揭示了本项技术的堵水机理、酸化沟通机理、堵剂对酸液的
转向和缓速机理、酸化增强堵水的选择性机理，优选了堵水酸化联作工艺技术的各种处理药剂。在大港
油田进行了5 口井的现场应用，效果良好。此项技术不仅为王徐庄油田找到了新的增产、控水技术手段，
也为其他裂缝性灰岩油藏的开发措施提供了借鉴。

Fractured limestone reservoirs suffer a high water -cut
problem, which leads to water-cut increasing rapidly. In this paper,
the integrated plugging and acidizing technology is introduced to
solve the problem. The Wangxuzhang Oilfield is selected for study
and application target. The methods for predicting reservoir fracture
are concluded. Numeric and physical models for this are established.
With the models, the mechanism of the technology is investigated.
The mechanism are selected water plugged with acidizing and
slowed acidizing. At last, five successful application examples are
obtained in Wangxuzhang Oilfield. Indoor study and field
application show the integrated plugging and acidizing technology is
both tec