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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||166/304 ; 166/665 ; 137/13 ; 137/803|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 25 인용 특허 : 0|
An oil tool and method for controlling the accumulation of paraffin and deposits in downhole oil string and oil transmission flow lines is provided by employing at various locations in the downhole oil string or in the oil transmission flow lines a coupling device with an inside liner of a non magnetic material surrounded by a magnet and shield of a magnetic material. The preferred application employs at least two magnets having their north pole and south pole aligned in opposite directions held in place in relation to a magnetic outer shield or casing b...
An oil tool for controlling paraffin related clogging in flow lines comprising: (a) a substantially cylindrical sleeve having a first end and a second end providing an environmentally resistant outside covering and means in said first end and said second end for connection to an oil flow pipe line; (b) a curved magnetic shield axially aligned with said substantially cylindrical sleeve and disposed intermediate said first end and said second end of said substantially cylindrical sleeve; (c) at least one magnet disposed longitudinally inside said substanti...