声场还可以使出油井防垢、除垢，降低原油粘度，提高其渗流速度。
The acoustic field can prevent and remove the scale, lower the viscosity of oil, enhance the seepage flow velocity.
结果表明，人工振动可以降低原油粘度，降粘效果与振动参数有关。
The results of experiments show that artificial vibration technique can reduce oil viscosity, and the viscosity reduction rate is related to the vibrating parameters.
实践证明，掺污水加药既可以降低原油粘度，又可以有效地降低井口回压。
Practice proved that adding chemicals not only decreases the viscosity of crude but also the back pressure of well head decreased.
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