Patent ID: 7736133

Claim:
A well pumping apparatus, comprising: a capsule having an upper end for connection to a string of production tubing lowered within casing of a well; an upper pump assembly including a pump and a motor located within and suspended by the upper end of the capsule; an upper motor lead extending from the motor alongside the pump within the capsule and sealingly through the upper end of the capsule; a bulkhead within the capsule below the upper pump assembly and above a lower end of the capsule; lower pump assembly including a pump and a motor located within the capsule below the bulkhead; and a lower motor lead extending from the motor of the lower pump assembly through the bulkhead; the bulkhead sealingly engaging the capsule, defining an upper chamber and a lower chamber within the capsule; the upper pump assembly having an intake in the upper chamber and a discharge conduit connected to the upper end of the capsule; the lower pump assembly having an intake in the lower chamber and a discharge conduit connected to the bulkhead, the discharge conduit leading through the bulkhead into the upper chamber; and a discharge port located in the discharge conduit of the lower pump assembly and in the upper chamber.