System and method for ultrasonically treating liquids in wells and corresponding use of said system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-043/00
E21B-028/00
G10K-011/02
출원번호
US-0521206
(2011-02-07)
등록번호
US-9243477
(2016-01-26)
우선권정보
EP-10153415 (2010-02-12)
국제출원번호
PCT/EP2011/051745
(2011-02-07)
§371/§102 date
20120709
(20120709)
국제공개번호
WO2011/098422
(2011-08-18)
발명자
/ 주소
Solenthaler, Peter
출원인 / 주소
Progress Ultrasonics AG
대리인 / 주소
Davis & Bujold, P.L.L.C.
인용정보
피인용 횟수 :
0인용 특허 :
41
초록▼
A treatment device for treating liquids in oil, gas or water wells comprises an ultrasonic treatment device (1). The ultrasonic treatment device (1) includes a resonator (2), a transducer (9) and a matching transformer (10) for transferring a maximum of power from an ultrasonic generator to the tran
A treatment device for treating liquids in oil, gas or water wells comprises an ultrasonic treatment device (1). The ultrasonic treatment device (1) includes a resonator (2), a transducer (9) and a matching transformer (10) for transferring a maximum of power from an ultrasonic generator to the transducer (9) through a long cable (11). The cable (11) has a considerable length of at least 3 km and is attached to a generator (5).
대표청구항▼
1. An ultrasonic treating device comprising: an ultrasonic transducer with a solid resonator attached thereto,wherein at least one end of said resonator is connected to a front surface of the transducer at a point of a longitudinal oscillation maximum of said transducer, andwherein the length of the
1. An ultrasonic treating device comprising: an ultrasonic transducer with a solid resonator attached thereto,wherein at least one end of said resonator is connected to a front surface of the transducer at a point of a longitudinal oscillation maximum of said transducer, andwherein the length of the resonator is tuned to an integer multiple of half an acoustic wave length of the longitudinal oscillation, fed from the transducer to the resonator, for treating a liquid in an oil, gas or water well, wherein said transducer is attached to a matching transformer to transfer maximum power from a generator over a long cable with a length of 3 km up to 7 km to the transducer, and to adapt the generator to the impedance of the cable, the transducer, and the resonator, when located in said well,wherein the transducer energizes the resonator in a longitudinal wave mode. 2. The device according to claim 1, wherein said resonator is a round rod resonator with an operating frequency range of 10 kHz to 50 kHz. 3. A system for treating liquids in oil, gas or water wells, said system comprising an ultrasonic treatment device having a transducer with a solid resonator connected thereto,wherein at least one end of the resonator is connected to a front surface of the transducer at a point of longitudinal oscillation maximum of said transducer andwherein the length of the resonator is tuned to an integer multiple of half an acoustic wave length of the longitudinal oscillation fed from the transducer to the resonator,a generator for generating ultrasonic power with a voltage up to 2 kV,a cable for connecting said generator with said treatment device,wherein the treatment device further comprises an impedance matching transformer adapting the generator to the impedance of the cable, the transducer and the resonator. 4. A system according to claim 3, wherein said resonator is a round rod. 5. A system according to claim 3, wherein the matching transformer is arranged in a housing attached to the resonator. 6. A system according to claim 3, wherein the cable has a length of at least 3 km. 7. A system according to claim 3, wherein the system comprises a plurality of treatment devices having resonators of different shape. 8. A method for treating a liquid in a oil, gas or water well, comprising the steps of: generating ultrasonic waves with an ultrasonic transducer having a solid resonator connected thereto, wherein at least one end of said resonator is connected to a front surface of the transducer at a point of a longitudinal oscillation maximum of said transducer, and wherein the length of the resonator is tuned to an integer multiple of half an acoustic length of the longitudinal oscillation fed from the transducer to the resonator, wherein the energy supplied to the transducer is maximized by a matching transformer adapting the generator to the impedance of the cable, the transducer and the resonator, andproviding the liquid within said well with ultrasonic vibrations generated by said transducer and said resonator. 9. A method according to claim 8, said method comprising the step of supplying ultrasonic power from a generator through a cable having a length of at least 3 km.
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