Well Fluid Extraction Jet Pump Providing Access Through and Below Packer

A through-accessible reversible operation jet pump for attachment to a tubing string, comprising:

• a pump housing having a pump housing interior,
• a jet pump assembly retrievably disposed in said pump housing interior, said jet pump assembly including:
• a proximal carriage head sealingly engaging said pump housing interior;
• a distal carriage head sealingly engaging said pump housing interior in spaced-apart relationship to said proximal carriage head;
• and
• an elongated carrier having:
• a carrier inlet end releasably coupled to a first one of said proximal carriage head and said distal carriage head;
• a carrier outlet end releasably coupled to a second one of said proximal carriage head and said distal carriage head;
• a carrier nozzle in said carrier between said carrier inlet end and said carrier outlet end, said carrier nozzle having a nozzle bore converging toward said carrier outlet end;
• and
• at least one carrier opening in said carrier, said at least one carrier opening establishing communication between said carrier nozzle and said pump housing interior;
• said jet pump assembly adapted to be selectively removed from said pump housing interior through the tubing string as said pump housing remains attached to the tubing string;
• said carrier selectively positional in a first orientation in said pump housing interior to facilitate operation of said jet pump in a first fluid flow direction operational mode, with said carrier inlet end releasably coupled to said proximal carriage head and said carrier outlet end releasably coupled to said distal carriage head in said first orientation;
• and
• said carrier selectively positional in a second orientation in said pump housing interior to facilitate operation of said jet pump in a second fluid flow direction operational mode opposite said first fluid flow direction operational mode, with said carrier inlet end releasably coupled to said distal carriage head and said carrier outlet end releasably coupled to said proximal carriage head in said second orientation.

A through-accessible reversible operation jet pump for attachment to a tubing string, comprising:

• a pump housing having a pump housing interior,
• a jet pump assembly retrievably disposed in said pump housing interior, said jet pump assembly including:
• a proximal carriage head sealingly engaging said pump housing interior, said proximal carriage head having a proximal carriage head bore;
• a distal carriage head sealingly engaging said pump housing interior in spaced-apart relationship to said proximal carriage head, said distal carriage head having:
• a distal carriage head bore;
• at least one fluid outlet opening communicating with said distal carriage head bore;
• and
• at least one reservoir fluid passage coextensive with said distal carriage head and communicating with said pump housing interior of said pump housing;
• and
• an elongated carrier having:
• a carrier inlet end releasably coupled to a first one of said proximal carriage head and said distal carriage head;
• a carrier outlet end releasably coupled to a second one of said proximal carriage head and said distal carriage head;
• a carrier nozzle in said carrier between said carrier inlet end and said carrier outlet end, said carrier nozzle having a nozzle bore communicating with said proximal carriage head bore and said distal carriage head bore and converging toward said carrier outlet end, a nozzle tip terminating said nozzle bore and a nozzle chamber communicating with said nozzle tip, said nozzle tip protruding into said nozzle chamber,
• at least one carrier opening in said carrier, said at least one carrier opening establishing communication between said nozzle chamber and said pump housing interior, and
• a mixing chamber having a straight chamber segment communicating with said nozzle chamber and a diverging chamber segment communicating with said straight chamber segment and extending toward said carrier outlet end;
• said jet pump assembly adapted to be selectively removed from said pump housing interior through the tubing string as said pump housing remains attached to the tubing string;
• said carrier selectively positional in a first orientation in said pump housing interior to facilitate operation of said jet pump in a first fluid flow direction operational mode, with said carrier inlet end releasably coupled to said proximal carriage head and said carrier outlet end releasably coupled to said distal carriage head in said first orientation;
• and
• said carrier selectively positional in a second orientation in said pump housing interior to facilitate operation of said jet pump in a second fluid flow direction operational mode opposite said first fluid flow direction operational mode, with said carrier inlet end releasably coupled to said distal carriage head and said carrier outlet end releasably coupled to said proximal carriage head in said second orientation.