王场潜二段稠油油藏增产措施方向研究

A Study on the Treatment of Increasing Oil Production in Number Qian 2 of Wangchang Oilfield

王场油田潜二段是由盐间非砂岩一盐岩组成的含盐韵律地层，即盐间非砂岩储层，由于盐间非砂岩稠油的特殊性，使常规注水开发受到一定的局限，生产能力较低，为此通过对王场替二段稠油油藏地质特征，岩石特征、储层物性、储集空间和孔隙结构等储层特征以及油藏类型、流体性质、敏感性评价、渗流特征等油藏特征的研究，提出了改善王场潜二段稠油开发效果，挖掘生产潜力的措施意见．

Number Qian 2 of Wangchang oilfield is a salt rhythm-containing formation that consists of inter-salt nonsandstone and salinastone. Conventional waterflood of this field is restricted by the particularities of the heavy oil in inter-salt nonsandstone. In order to improve the productivity, a series of studies were conducted on the reservoir natures such as geologic features, rock properties, reservoir physics. reservoir space. and pore configuration. Also studies were the reservoir qualities such as reservoir type, fluid properties, sensitivity analysis, and rheological behavior. By combining the study results with the summation of the well productivity as well as the stimulation treatments in different ways. a fundamental understanding of the recovery characteristics is achieved for the heavy oil in inter-salt nonsandstone in Number Qian 2 of Wangchang field. Some suggestions on the improvement of development and the exploitation of productive potentials were also made in view of the particularities of the heavy oil in Member Qian 2 of Wangchang field.