Offset-Wheel Beam Pumping Unit
Source：SIQUAN|[ 2014-02-23 ] Hits：172
摘要：
Offset-Wheel Beam Pumping Unit
Main features:
This kind of pumping unit is developed form the out-phased beam pumping unit. An offset wheel is placed at the back of the walking beam and thus a six-bar mechanism is formed which is centered at the offset wheel. The torque of gear reducer can be adjusted gently be changing the variation principle of the polished rod load, the length of the equivalent rear arm and the offset angle of the crank. This product can be applied to oil wells with different kinds of well conditions.
Accordance with API SPEC 11E standard, and have the certificate of authority to use the official API monogram.
Main technical parameters
