Abstract
Heavy oil takes advantage of proportion in world petroleum resources. Thermal recovery technology, the chief means of heavy-oil exploitation, has been widely applied in development of world heavy-oil reservoir. To study the effect of sand-control technology in the process of heavy-oil thermal recovery, A HTRSTS (Heavy-oil Thermal Recovery Simulation Testing System) has been build. The detection of sand level in sand container is very important. The sand level detection technology adopted in this system is image processing technique based on CCD. Sand container image is taken by CCD, and then HTRSTS locks the interface between sand and liquid through CCD scanning. The preliminary experimental result shows that the standard deviation is about 0.02 liter, which could satisfy practical requirement quite well.
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