Implementing a new configuration for the drive head for progressive cavity pumps can solve many operational problems and lower operational costs.Capable of handleing high sand loads keeps the pumps on and reduces downtime.Simplicity of design makes them easier and cheaper to build and maintain.Simple design of inline motor to a gear reducer coupled to the polish rod eliminates the problems and dangers associated with conventional belt and pulley configurations.When coupled with a power inverter the drive head speed can be reduced to 50% of capacity, allowing for quick pump saving adjustments.

Keywords:
artificial lift system, direct-drive variable-speed drive head, pulley, electric motor, backspin, new horizon exploration trinidad, progressing cavity pump, rod string, society of petroleum engineers, drive head
Subjects:
Artificial Lift Systems, Progressing cavity pumps
Copyright 2005, Society of Petroleum Engineers
You can access this article if you purchase or spend a download.