Patent ID: 8383935

Claim:
An adapter for a wellhead, the well having a casing having an upper end and a submersible electric pump suspended within the casing, the adapter comprising: (a) a base plate having forward and rearward ends, the base plate's rearward end being fitted for mounting over the casing's upper end and having a well bore opening aperture therethrough, the base plate's forward end being forwardly oblongated and having a wire passage aperture therethrough; (b) an annular casing retaining flange having forward and rearward ends, the annular casing retaining flange being fixedly attached to and extending downwardly from the base plate's rearward end; and (c) a switch box having a ceiling, a floor, a left wall, a right wall, and a rear wall, the ceiling comprising the base plate's forward end and the rear wall comprising the annular casing retaining flange's forward end.