Heavy Oil Steam Stimulation Wells Pumping System Design Study

As one of primary artificial lift, rod pumping has been applied on exploiting heavy oil widely. It is important to improve the technique level of rod pumping system for the high efficient exploitation of heavy oil reservoir with high well spacing density.Based on the research actuality of the rod pumping system in and out of China, what this paper have researched are followed: the operation theory and design method of rod pumping system, the synopsis of the inflow and outflow of the cyclic steam injection well and the method of solving it in 6-9 area of Xinjiang oil field, and the main factors of work on the heavy oil viscosity, etc. Then research how to optimize the production parameters of the heavy oil company's rod-pump well.How to harmonize the supply and flowing back, how to select appropriate unit-pump work parameter and mixing rod combination and how to analyze the force-summing condition can be solved by the optimizing method established in this paper. The work condition index can be predicted to make the down hole system more efficient and safety. To optimize parameters, the method of optimizing design is readjusted. As the output .pump efficiency and system efficiency become the optimizing goal apart, some different optimum programs will be obtained.oftware of the optimum design is developed based on the method of designing rod pump system established in the paper. An advanced programming technology facing object is used in Visual Basic language on the Windows operation system. The software has been tested based on the production data of the 22 oil wells of those heavy oil reservoirs. Nicer economic benefit has been achieved by redesigning the low efficient well.Software of the optimum design is developed based on the method of designing rod pump system established in the paper. An advanced programming technology facing object is used in Visual Basic language on the Windows operation system. The software has been tested based on the production data of the 22oil well in those heavy oil companies. Nicer economic benefit has been achieved by redesigning the low efficient well.