Indoor research of new shield temporary plugging drilling fluid in low-permeability oilfields;
低渗透油藏屏蔽暂堵钻井液室内研究
Application of suspend cross link temporary shielding plugging agent HPG;
HPG延缓交联型屏蔽暂堵剂的应用
In view of reservoir characteristics and leakage damage models,temporary shielding plugging technologies applied for the prevention leakages and protection reservoir was put forward,laboratory and field tests showed that the technology had a better effect.
针对储层地质特征及漏失损害模式,提出了屏蔽暂堵技术预防储层漏失和保护储层技术,室内实验和现场试验表明,该技术有着较好的应用效果。
HTHP acid soluble and broken down appraisal instrument can not only simulate the temperature,pressure,and the flow condition of fluid down hole directly,but also accomplish the evaluations of temporary shielding plugging effect and kinds of working fluids damage to the reservoir.
HTHP酸溶解堵评价仪可以直接模拟井下温度、压力、流体流动条件,完成工作液屏蔽暂堵效果评价及工作液对储层损害评价。
Techniques of auto-adapting shielding and temporary plugging drilling fluid;
自适应屏蔽暂堵钻井液技术
At present, the optimal selection of temporary plugging agents(TPA) in application of the temporary plugging techniques(TPT) is based on experiment to some extent.
针对现有暂堵剂优选理论精确化、定量化程度不足的情况 ,在继承传统屏蔽暂堵剂优选理论的基础上引入分形几何理论 ,提出用分维数来定量描述储层岩心孔隙尺寸分布和暂堵剂粒度分布特征。