Multi-well computerized control of fluid pumping

Details Multi-well computerized control of fluid pumping Multi-well computerized control of fluid pumping

1998-09-24

2000-04-11

Freay, Charles G.

Pumps

One fluid pumped by contact or entrainment with another

Liquid pumped by supplying or exhausting gaseous motive...

417141, 417142, 417143, 417139, F04B 1700

Patent

active

060481757

ABSTRACT:
A system for controlling one or more borehole pumps to enable pumping-on-demand is described. The system uses a computerized controller which, in combination with sensors, monitors and controls the activity of the pump, thereby controlling fluid in the borehole. The system is continually in one of three modes, the monitoring mode, the pump mode, and the recovery mode. Within each cycle of modes, the system performs multiple checks on the apparatus involved. The data obtained during the check is stored in appropriate databases as well as checked against predetermined norms. In the event of a malfunction within the apparatus, or other supervised and/or monitored functions, the system can activate a notification system, such as a centralized monitoring facility. A pump is disclosed with a fluid sensor to detect the presence of fluid and transmit this presence to the computerized monitoring system. A slug sensor notifies the computer of the beginning and end of a predetermined quantity of fluid. An exterior housing with a lightning protector can be placed over the borehole to contain the monitoring computer and associated read outs. At least one shunt valve is affixed along the propellant and return lines inline to accommodate accumulation of fluid. A receiver/separator tank has a separator member to separate the gas from the fluid.

REFERENCES:
patent: 5074758 (1991-12-01), McIntyre
patent: 5193985 (1993-03-01), Escue et al.

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