Wells – Processes – Producing the well
Reexamination Certificate
2002-10-30
2004-11-16
Bagnell, David (Department: 3672)
Wells
Processes
Producing the well
C166S053000, C417S036000
Reexamination Certificate
active
06817419
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to well production management and storage system controllers, and more particularly to well management system controllers for systems that include at least one underground well, one separate collecting tank for use with a pump and an electrically powered control panel capable of managing and maintaining a reasonably constant supply of water in the collecting tank. The controller is, in one preferred embodiment, based on changes in the rate of rise of liquid in the tank. In other embodiments, the controller operates on the basis of the foregoing and/or pump shut down during run cycle, and/or well water level during run cycle. In response to such changes, the run cycle and/or rest cycle of the pump is adjusted.
2. Information Disclosure Statement
The following patents describe the state of the art in well pumping systems.
U.S. Pat. No. 2,239,612 to Joseph P. Lawlor describes a raw water storage tank in an iron removal system having a water space, a compressed air space above the water level in the tank, means for admitting water and air into the tank, a repression tank having a water space and also having a compressed air space above the water level in that tank, a water service line connected to the water space of the repression tank and having a back check valve, a filter, a pipe for conveying water from the water space of the raw water tank into the top of the filter, a pipe for conveying water from the water space of the raw water tank into the top of the filter, a pipe for conveying the filtered water from the filter into the water space of the repression tank, a back-wash line connected to the pipe which conveys the water from the raw water tank to the filter and having a shut-off valve, there being another shut-off valve in the pipe between the raw water tank and the place of connection therewith of the back-wash line, an air pressure equalizing line connecting the air space of the raw water tank with the air space of the repression tank, and a shut-off valve in the air pressure equalizing line.
U.S. Pat. No. 3,102,799 to Elmer Carl Kiekhaefer describes a water supply system for a residence with a water wheel, comprising, in combination, a narrow stand-pipe disposed adjacent the well and having an open top substantially higher than the roof of the residence, pump means connecting the well with the lower end of the stand-pipe for introduction of water into the latter, pressure-controlled switch means connecting the stand-pipe with the pump means so that the latter will be operated to maintain water in the stand-pipe between two desired levels closely adjacent to the top, a conduit disposed closely adjacent to the lower of the two levels and extending within the residence to supply water thereto, means to supply a cleansing gas to the bottom of the stand-pipe so that the gas will bubble up through the water and remove odors therefrom, a dome-shaped cap secured to the open top of the stand-pipe and having an annular filter disposed around the pipe so that gas escaping from the water will be discharged above the roof of the residence and impurities cannot be admitted to the water, the pump means including a conduit which discharges water into said stand-pipe at a point above the gas supplying means and upwardly to produce turbulence in the water so that any gas bubbles clinging to the wall of the stand-pipe will be released, means to operate the gas supplying means simultaneously with the pump means, and means to provide a timed continuation of operation of the gas supplying means after said pump means has ceased operating.
U.S. Pat. No. 4,133,759 Yorifumi Ikeda et al describes a liquid purification apparatus which comprises a hollow cylindrical column having a liquid rectifier and collector positioned respectively adjacent the bottom and top of the column in communication with liquid inlet and outlet. A mass of adsorbent material is accommodated within the column in such an amount that a portion of the material within the column and above the liquid collector forms a settling layer to avoid any possible fluidization and/or expansion of another portion of the material situated between the liquid rectifier and collector. The column has a material inlet at the top thereof through which material is continuously supplied into the column while a portion of the material adjacent the bottom of the column is exhausted to the outside through an outlet at the bottom of the column. The uppermost surface level of the material within the column is maintained within a predetermined range.
U.S. Pat. No. 4,180,374 to Elliott R. Bristow describes a protection system for a well pump in which a normal pressure switch is provided in series between this switch and the submerged motor and pump with a low pressure switch which has connected in parallel thereto a timing device which can in turn transmit directions to the pump, motor, control and starter to assure that a pump is not allowed to continue to run when there is no water in the well thereby causing a burnout. Check valves and a bleeder line are carefully positioned in this series to assure that the reading given by the low pressure switch, the normal pressure switch are real readings and that the pump is not inadvertently allowed to run due to incorrect signals derived therefrom.
U.S. Pat. No. 4,375,833 to Floyd G. Meadows describes a system for chemical treatment of producing oil wells has automatically actuated valves operated by a control circuit. The control circuit causes the system to automatically switch the well from production to treatment status without shutting down. After a predetermined treatment period, wherein well fluids mixed with treatment chemical are recirculated throughout the well, the control circuit causes the system to change state and switch to production status. One embodiment of a means for pumping the treatment chemical into the well includes a continuous pump actuated by the mechanism of the well pump, and which includes two electrically actuated valves. The control circuit automatically operates the valves to cause treatment chemical to be injected into the well when desired, then changes the position of the valves so that the chemical which is continuously being pumped will return to the storage tank in a continuous stream.
U.S. Pat. No. 4,519,418 to L. B. Fowler describes a water well pumping system for controlling the volume of fluid supplied to a supply reservoir from a primary reservoir and drawn off through an outlet conduit to the volume of fluid produced and pumped from the well. A fixed or variable resistance is interposed in piping between the primary and supply reservoir.
U.S. Pat. No. 4,664,143 to Ernest N. Thompson describes a water supply recirculation system is provided having a recirculation pump and a duct into which the recirculation pump propels water. A selectively operated, closed at rest, flow valve is maintained open while the pump operates. A flow sensor serially installed in the recirculation duct detects flow and senses a failed condition. A second control valve which rests in an open position selectively prevents passage of water from the recirculation duct into a drain duct when pumping is in progress. The recirculation duct transmits water into a water supply tank and discharges it onto the central surface of the water supply in the tank. When pumping ceases, the first control valve closes, and the second control valve opens, allowing water in the duct to drain from the duct.
U.S. Pat. No. 4,693,271 to Benjamin F. Hargrove et al describes a horizontally mounted submersible pump assembly for pumping water from water storage tanks, which pump assembly is characterized by a submersible pump mounted inside a horizontally orientated tube extending through the wall of the water storage tank. A valve is provided in cooperation with the immersed end of the tube to facilitate flow of water into the tube to the pump and the opposite, dry end of the tube is closed by an adapter flange mounted on a length of
Glynn, Esq. Kenneth P.
Thompson K.
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