APPLICATION OF SCREW PUMP OIL PRODUCTION IN COLD HEAVY OIL PRODUCTION

Cold heavy oil production with sand is a new kind of heavy oil production technology. In addition to specific geologic conditions, progressive cavity pump with strong sand -carrying capacity in lifting technology is adopted. Cold heavy oil production with sand technology has been widely used in many heavy oil wells in Taobao Oilfield. This paper summaries detailed technical parameters for designing progressive cavity pump, that is pumping displacement, pumping rate, pump head lift and surface drive power, at the same time, elaborates matched down - hole assembly such as tubing, sucker rod, anehor and tag bar. On the basis of summary of design methods,after having been applied in more than 40 newly - developed wells on the well site in 2003, the lifting technology can basically meet the requirements of cold heavy oil production with sand.