Aiming at the paraffin-deposition problem of a beam well,the automatic paraffin-controlling device is designed by making use of ratchet-pallet mechanism,cam mechanism and modern designing method.The device has four main functions:paraffin-controlling,paraffin removal,centralizing the pumping rod,and improving the safety of well tubing.This device integrates the advantages of the paraffin control,such as strong magnetic paraffin controlling and mechanical paraffin-cutting.Theoretical analysis shows that this device has fine working reliability.It turns out to be a new device which can solve the paraffin-deposition problem of a beam well economically and efficiently.
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