Paper: Selection Application Of Bottom Hole Pumps

The two basic groups of pumps covered in the A.P.I. Standard 11-A are tubing and insert pumps. From these, various combinations can be made for particular well conditions by rearranging existing equipment and substituting a few fittings. A third group of pumps, which could be referred to as miscellaneous or special, use mostly standard fittings from the basic groups and are usually designed to overcome one particular difficult well condition.