Device for recovery of gas from liquid-loaded gas wells

A device for use in recovery of gas trapped by fluid and suspended solids in a gas or oil well, the device comprising:

• a body defining a cavity with an upper end and an opening for entry of fluid at its bottom end, the device including a lower valve within the cavity for controlling the flow of fluid into the cavity and an upper valve within the cavity for controlling the flow of fluid out of the cavity, the upper end having a plurality of lines passing therethrough and into the cavity, the lines comprising:
• a) a gas line for provision of a stream of pressurized gas to push downward on fluid in the cavity in a compression stroke wherein downward fluid flow closes the lower valve and opens the upper valve, the gas line further used to exhaust contained gas from the cavity during an exhaust stroke when infiltration of fluid into the cavity and upward fluid flow opens the lower valve and closes the upper valve to raise a fluid level in the cavity;
• b) an effluent line for allowing exit of fluid suspended solids during the compression stroke;
• c) a probe line for provision of electrical power to a pair of probes for initiating or halting the provision of gas pressure to the cavity;
• and
• g) a separate bubble tube line for determining pressure in the device.