Jidong Oilfield, Lift Status Of The Process Research And Development Direction

Jidong oil field lies in offshore. Because of the special geographical conditions, directional well are used more than 95%, which oil layer is deep and difficult to lift by artificial technology. With the development of oil field, especially in the middle and later periods, wellbore lift technology is more and more important to improve the exploitation of the low pressure and low permeability and high water contented reservoirs. Combined with the internal and overseas lift technology, we analyze the wellbore lift technology of Jidong field to find out the bottleneck problems restricting the development of the well bore lift technology. According to the problem, using wellbore lift basic theories, we research the better lift wise and apply new technology and means to realize matching system.And we have four achievements:1. By high capacity rod pump and other special type pump, widen the using range of rod pump,2. By studying the heavy oil lift technology and applying surface-drive screw pump, the difficulty of raffinate in the heavy oil and sand inflow well is solved and the artificial lift is developed to the pluralization,3. By researching the technology of directional wear of directional well, realize the matching of directional well lift,4. By optimizing the operational parameters of mechanical oil production well, we obtain a economical technology to adjust block and improve the system efficiency of mechanical oil production greatly.