Groundwater enhanced geothermal heat pump

A geothermal heat pump system comprising:

• at least one main heat exchanger configured to exchange heat between a ground loop flow and a heat distribution system;
• a plurality of boreholes, each borehole penetrating an aquifer;
• each borehole containing one of a plurality of ground loops, each ground loop comprising:
• a groundwater heat exchanger exposed to a groundwater flow within the aquifer;
• an input pipe configured to deliver a portion of the ground loop flow from the main heat exchanger to the groundwater heat exchanger;
• and
• an output pipe configured to deliver the portion of the ground loop flow from the groundwater heat exchanger to the main heat exchanger,
• wherein:
• heat exchange occurs between the portion of the ground loop flow within the groundwater heat exchanger and the groundwater flow;
• each borehole includes an open surface end at a ground surface and an underground closed distal end;
• and
• the distal ends of the boreholes are displaced from each other a greater distance than the surface ends are displaced from each other.

A groundwater heat exchanger configured for use within a borehole comprising:

• an input manifold including a plurality of input ports;
• an output manifold including a plurality of output ports;
• and
• a plurality of exposed heat exchange tubes each including an input end coupled to one of the input ports and an output end coupled to one of the output ports,
• wherein:
• the input manifold is configured receive a ground loop flow and distribute the ground loop flow to the plurality of heat exchange tubes through the input ports;
• and
• the output manifold is configured to discharge the ground loop flow received through the output ports from the plurality of heat exchange tubes to the main heat exchanger.