Method, apparatus, and magnet for magnetically treating fluids
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-001/48
F04B-053/00
출원번호
US-0682013
(2008-10-08)
등록번호
US-8414776
(2013-04-09)
국제출원번호
PCT/US2008/079179
(2008-10-08)
§371/§102 date
20100407
(20100407)
국제공개번호
WO2009/048935
(2009-04-16)
발명자
/ 주소
Hale, John T.
출원인 / 주소
RFG Technology Partners LLC
대리인 / 주소
Pedigo Law Firm, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
108
초록▼
A sucker-rod pumping system includes diametrically charged rare earth magnets having significant monopolar character mounted on the rod string and, optionally, within a magnet barrel below the pump barrel. The magnets are jacketed to preclude contact with crude petroleum. The magnets subject the pet
A sucker-rod pumping system includes diametrically charged rare earth magnets having significant monopolar character mounted on the rod string and, optionally, within a magnet barrel below the pump barrel. The magnets are jacketed to preclude contact with crude petroleum. The magnets subject the petroleum to a significant magnetic flux to substantially preclude precipitation of paraffins and asphaltenes with a minimum of retrofit to existing equipment and without substantially altering the operation of the rod string.
대표청구항▼
1. Apparatus for magnetically treating a flowing fluid, said apparatus comprising at least one matched pair of conjoined rare earth magnets of opposite polarity, each said magnet having radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a trans
1. Apparatus for magnetically treating a flowing fluid, said apparatus comprising at least one matched pair of conjoined rare earth magnets of opposite polarity, each said magnet having radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a transverse direction to form a pair of flat surfaces connecting said inner arcuate surface to said outer arcuate surface, each said magnet diametrically charged with its inner and outer arcuate surfaces having the same polarity and with its pair of flat surfaces having the same but opposite polarity of the arcuate surfaces, the pair of magnets conjoined by aligning said oppositely charged flat surfaces, whereby fluid flowing with respect to said pair of conjoined magnets is exposed to a magnetic field. 2. The apparatus of claim 1 wherein said rare earth magnets comprise neodymium. 3. The apparatus of claim 1 wherein said conjoined magnets form a hollow cylinder and fluid flows internally or externally of said cylinder. 4. The apparatus of claim 1 wherein said flowing fluid is selected from the group consisting of crude petroleum, refined petroleum, vegetable oil, and water. 5. The apparatus of claim 1 further comprising a conduit for fluid flow surrounding said at least one pair of conjoined magnets and forming an annular space therebetween through which fluid flows externally of said pair of magnets. 6. The apparatus of claim 5 further comprising a sucker-rod pumping system having a sucker rod traveling in said conduit and wherein said pair of magnets is conjoined about said sucker rod. 7. The apparatus of claim 6 further comprising a stainless steel jacket surrounding said pair of magnets on said sucker rod and sealed with respect to said sucker rod so as to preclude contact of fluid and magnet. 8. The apparatus of claim 1 further comprising a conduit for fluid flow surrounding at least one pair of magnets conjoined about the inner surface of said conduit and defining an internal hollow space through which fluid flows internally of said pair of magnets. 9. The apparatus of claim 8 wherein said apparatus further comprises a sucker-rod pumping system, including a pump barrel, and wherein said conduit is located below said pump barrel, said apparatus further comprising a stainless steel jacket surrounding said pair of magnets internally and sealed with respect to said conduit so as to preclude contact of fluid and magnet. 10. A method for exposing a fluid to a magnetic field comprising the steps of: a) providing at least one matched pair of rare earth magnets of opposite polarity, each said magnet having radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a transverse direction to form flat surfaces connecting said inner and outer arcuate surfaces, each said magnet diametrically charged with its inner and outer arcuate surfaces having the same polarity and with its pair of flat surfaces having the opposite polarity of the arcuate surfaces;b) conjoining the at least one pair of magnets by their oppositely charged flat surfaces;c) flowing fuid past the conjoined magnets, thereby exposing the fluid to a magnetic field. 11. The method of claim 10 wherein the fluid is crude petroleum, the rare earth magnet comprises neodymium, the step of conjoining the at least one pair of magnets by their oppositely charged flat surfaces comprises the step of placing a matched pair of magnets about a portion of a rod string in a sucker-rod pumping system for a down tube in an oil well, thereby conjoining the magnets about the rod string, and the step of flowing fluid past the conjoined magnets comprises operating the sucker-rod pumping system to withdraw crude petroleum from an underground reservoir through the down tube. 12. The method of claim 11 further comprising the step of sealing the magnets from direct contact with crude petroleum by encasing the magnets in a metal sleeve and sealing the sleeve against the rod string, thereby precluding direct contact of the magnets with crude petroleum. 13. The method of claim 11 further comprising the step of electrically connecting the down tube to the rod string. 14. The method of claim 13 wherein the step of electrically connecting the down tube to the rod string includes the step of precluding grounding of the electrical charge along the rod string. 15. The method of claim 10 wherein the fluid is crude petroleum, the rare earth magnet comprises neodymium, the step of conjoining the at least one pair of magnets by their oppositely charged flat surfaces comprises the step of lining the inside of a portion of a tube with the magnets and the step of flowing fluid past the conjoined magnets comprises the steps of connecting the tube and magnets in flow communication with the pump barrel of a pump for a sucker-rod pumping system and withdrawing crude petroleum from an underground reservoir through the tube lined with magnets and the pump barrel. 16. The method of claim 15 further comprising the step of precluding direct contact of the magnet with the petroleum. 17. A neodymium magnet comprising radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a transverse direction to form a pair of flat surfaces connecting the inner and outer arcuate surfaces, said magnet diametrically charged and having its inner and outer arcuate surfaces of the same polarity and with its pair of flat surfaces having the opposite polarity of the arcuate surfaces. 18. The magnet of claim 17 wherein said magnet is one of a pair of magnets, each magnet in said pair being oppositely charged. 19. A sucker-rod pumping system for withdrawing crude petroleum from an underground reservoir and having a prime mover for generating rotary motion, a walking beam for converting rotary to alternating motion, a positive displacement pump, and a rod string for connecting the walking beam to the pump to drive the pump by alternating motion, said system further comprising: a) at least one pair of oppositely charged magnets conjoined longitudinally over a portion of the rod string so as to enclose a portion of the rod string, each said magnet of said at least one pair of conjoined magnets having radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a transverse direction to form a pair of flat surfaces connecting said inner arcuate surface to said outer arcuate surface, each said magnet diametrically charged with its inner and outer arcuate surfaces having the same polarity and with its pair of flat surfaces having the same but opposite polarity of the arcuate surfaces, the pair of magnets conjoined by aligning said oppositely charged flat surfaces, whereby crude petroleum flowing with respect to said pair of conjoined magnets is exposed to a magnetic field; andb) a sleeve over said conjoined magnets and sealed against the rod string so as not to interfere with the alternating motion of the rod string and to preclude direct contact of crude petroleum with said magnets, whereby said magnets expose crude petroleum moving past said rod string to a magnetic field. 20. A sucker-rod pumping system for withdrawing crude petroleum from an underground reservoir and having a prime mover for generating rotary motion, a walking beam for converting rotary to alternating motion, a down tube for connection to the underground reservoir, a positive displacement pump located in said down tube adjacent the underground reservoir, and a rod string for connecting the walking beam to the pump to drive the pump by alternating motion, said system further comprising: a) a pump barrel adjacent the terminus of the down tube and circumscribing said positive displacement pump; andb) a magnet barrel fixed to said pump barrel, said magnet barrel circumscribing at least one pair of conjoined oppositely charged magnets, said conjoined magnets forming an internal hollow space through which crude petroleum flows, each said magnet of said at least one pair of conjoined magnets having radially inner and outer arcuate surfaces extending axially in a longitudinal direction and terminating in a transverse direction to form a pair of flat surfaces connecting said inner arcuate surface to said outer arcuate surface, each said magnet diametrically charged with its inner and outer arcuate surfaces having the same polarity and with its pair of flat surfaces having the same but opposite polarity of the arcuate surfaces, the pair of magnets conjoined by aligning said oppositely charged flat surfaces, whereby crude petroleum flowing with respect to said pair of conjoined magnets is exposed to a magnetic field.
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