【摘 要】
：
针对孤东二区油藏及地下流体特点 ,成功地研制了适于孤东二区注入的交联聚合物体系。该体系交联时间适宜、流动性好、强度较高、增粘性好。通过调整体系浓度 ,可以实现对成胶
【机 构】
：
胜利石油管理局地质科学研究院,胜利石油管理局地质科学研究院,胜利石油管理局地质科学研究院,胜利石油管理局地质科学研究院,胜利石油管理局地质科学研究院,胜利石油管理局地质科学研究院,胜利石油管理局地质科
论文部分内容阅读
针对孤东二区油藏及地下流体特点 ,成功地研制了适于孤东二区注入的交联聚合物体系。该体系交联时间适宜、流动性好、强度较高、增粘性好。通过调整体系浓度 ,可以实现对成胶时间和成胶强度的控制。实验表明 ,该体系可同时用于调剖及驱替。文章对该体系的最低成胶浓度、成胶时间、粘度、强度、稳定性等性能进行了评价。深入研究了油砂、剪切、浓度等因素对成胶、稳定性等方面的影响 ,并确定了最佳配方
According to the characteristics of the reservoir and subsurface fluid in Gudong II, we successfully developed a cross-linked polymer system suitable for injection into Gudong II. The system is suitable for cross-linking time, good liquidity, high strength, good viscosity. By adjusting the concentration of the system, the control of the gelling time and the gelling strength can be achieved. Experiments show that the system can be used for both profile control and displacement. In this paper, the lowest gel concentration, gel time, viscosity, strength and stability of the system were evaluated. In-depth study of the oil sands, shear, concentration and other factors on the plastic, stability and other aspects, and to determine the best formula
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