岩心模拟驱油室内试验及效果分析

Laboratory test and effect analysis of core flooding simulation

本文对油田化学剂在岩心模拟驱油中的试验机理及试验过程进行了阐述,通过用油田化学剂中驱油用表面活性剂、聚合物、起泡剂、聚表二元液4种驱替溶液,进行室内岩心物理模拟驱油试验,模拟地层驱油情况,对比4种化学剂对岩心内的模拟油驱替试验数据分析,得出油田化学剂具有较好的驱油效果理论,使用油田化学剂进行化学驱油可提高原油采收率;另外通过试验的有效性明确了驱替试验流程,为后续的驱替试验规程或方案提供依据。

In this paper, the experimental mechanism and testing process of oilfield chemical agents in core oil displacement simulation are expounded. By using surfactant, polymer,foaming agent,displacement solution to carry out indoor core physical simulation displacement test to simulate the formation flooding situation. Comparing the four chemical agents to the simulated core oil displacement test data in the core, we conclude that the oilfield chemical has better displacement effect theory.The use of oilfield chemicals for chemical flooding can increase the recovery rate of crude oil. In addition, the feasibility of the flooding test is clarified through the validity of the test, which provides the basis for subsequent flooding test procedures or schemes.