Claims
- 1. Water well cleaning apparatus comprising at least one perforated casing situated adjacent to an outer surface of a water well casing having a top and a bottom, said at least one perforated casing extending from a first position at said top of said water well casing to a second position at said bottom of said water well casing.
- 2. The well cleaning apparatus as described in claim 1, wherein said at least one perforated casing comprises two perforated casings.
- 3. The well cleaning apparatus as described in claim 1, wherein said at least one perforated casing comprises three perforated casings.
- 4. The well cleaning apparatus as described in claim 1, wherein said at least one perforated casing comprises a casing having alternating areas of perforated casing and blank casing and defines a diameter in the range from 1.0 inch to 4.0 inch.
- 5. The well cleaning apparatus as described in claim 1, further comprising a blank tube inserted inside said at least one perforated casing to cover predetermined areas of said at least one perforated casing.
- 6. Water well cleaning apparatus for an existing water well comprising at least one perforated casing situated adjacent to an inner surface of a water well casing having a top land a bottom, said at least one perforated casingextending from a first position at said top of said water well casing to a second position at said bottom of said water well casing; wherein cleaners and surfactants will be injected into said at least one perforated casing flow out of said at least one perforated casing to clean said water well.
- 7. The well cleaning apparatus as described in claim 6, wherein said at least one perforated casing comprises two perforated casings.
- 8. The well cleaning apparatus as described in claim 6, wherein said at least one perforated casing comprises three perforated casings.
- 9. The well cleaning apparatus as described in claim 6, wherein said at least one perforated casing comprises a casing having alternating areas of perforated casing and blank casing and defines a diameter in the range from 1.0 inch to 4.0 inches.
- 10. A method of cleaning a water well having a pump comprising the steps of:installing at least one perforated casing adjacent to an outer surface of a water well casing having a top and a bottom, said at least one perforated casing extending from said top of said water well casing to said bottom of said water well casing; forcing appropriate chemicals and surfactants through said at least one perforated casing to clean said water well.
- 11. The method as described in claim 10, wherein said step of forcing appropriated chemicals and surfactants comprises using a swab inside said at least one perforated casing to cause said chemicals and surfactants to surge into said well casing.
- 12. The method described in claim 11, wherein said step of forcing appropriate chemicals and surfactants comprises using said pump to surge said chemicals and surfactants into said casing by alternately turning said pump on and off.
Parent Case Info
The present invention generally relates to earthen wells, and, more particularly to the cleaning and refurbishing of water wells. This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.
US Referenced Citations (6)