Research on Sealing Technology of Waste Well Cement Slurry

Yongsheng LIU

Abstract


With oilfield development, a large number of injection-production old wells due to mining for a long time have entered into the phase of scrap and have a bad effect on the oil field development and production, how to seal the abandoned well, which is not affected by other production well, we need to focus on. In this paper, by means of numerical simulation, the variation law of the mud diffusion distance in different construction conditions is simulated, and the corresponding cement slurry sealing parameters are selected to improve the sealing effect of the abandoned well.


Keywords


Cement slurry sealing; Rheological property; Diffusion velocity; Sealing radius

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References


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DOI: http://dx.doi.org/10.3968/7922

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