Patent ID: 9453394
Filing Date: 2016-09-27
CPC Classification: E21B,F04B,F04D

Claim Text:
1. An apparatus that controls a liquid level down-hole of a hydrocarbon producing well by monitoring the liquid level down-hole in the well comprising: (a) a down-hole liquid level measurer lowered into the well and supported by pipe having a float that can travel vertically up and down in a caged support structure having a plurality of support members radially enclosing the float, wherein the float is directly exposed to the liquid level down-hole provided outside of the down-hole liquid level measurer in the well; and (b) a signal device connected to the liquid level measurer that causes a pump to adjust the pump's current liquid output based on the liquid level down-hole outside of the down-hole liquid level measurer in the well as physically measured by the down-hole liquid level measurer.