Application of distributed wind (solar)/grid complement system for oil pumping machines in oilfields

Oilfield enterprises are large power consumption users; 40% of the power is consumed by oil pumping machines, which are widely distributed in an oil field. In the areas with rich wind energy and solar energy, directly using distributed wind power and solar power as a source for the oil pumping machine is an effective approach for saving energy and emission reduction. In the proposed distributed wind (solar)/grid complement system in this paper, wind (solar) power is connected to the grid but not integrated into it. It is without batteries, and has the priority to use 100% wind power and grid power replenishes automatically for continuous running of loads when wind (solar) power is not enough. It has a broad prospect in the application in oil pumping machines in anoilfield. The wind/grid complement intelligent power supply system has been successfully running in one oilfield, and has a drastic power savings of over 20%.