Revitalization of Shutdovm Wells Using Matching Tech- nologies

Dongxin Oil Recovery Plant of Shengli Oilfield has totally 769 shutdown wells by the end of 1998. Sand control, electric heating, hydraulic jet pump technologies are used accordingly to revitalize these shutdown wells based on comprehensive analysis of the causes of well shutdown. Total 297 shutdown wells were revitalized during 1999-2001 achieving cumulative oil output of 313,000 t