Patent ID: 9605506
Date: 2017-03-28
CPC Classifications: E21B,F16J,F16N

Claim:
1. An automated lubrication system for an oilfield polish rod which moves within a stuffing box having a plurality of packing elements disposed about the polish rod, the automated lubrication system comprising: the stuffing box which provides a housing for the packing elements which are disposed in a stacked configuration about the polish rod, the stuffing box comprising a ported inlet penetrating the housing directly adjacent to the stacked configuration of the packing elements: a grease fitting connected to the ported inlet; a lubricant reservoir containing a grease lubricant; a lubricant pump hydraulically connected to the lubricant reservoir; a pump controller which activates and deactivates the lubricant pump upon programmed instructions; a power supply conductively connected to the pump controller; a pressure hose connecting the lubricant pump to the grease fitting the pressure hose having a pressure rating ranging from 500 to 1500 psi wherein grease is injected through the pressure hose through the grease fitting and directly into the stacked configuration of packing elements adjacent to the ported inlet; and an enclosure which contains the lubricant reservoir, the lubricant pump, the pump controller, and the power supply.