System and method for increasing production capacity of oil, gas and water wells
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-028/00
E21B-043/25
출원번호
US-0954906
(2010-11-28)
등록번호
US-8746333
(2014-06-10)
발명자
/ 주소
Zolezzi-Garreton, Alfredo
출원인 / 주소
Technological Research Ltd
대리인 / 주소
Lagobi, Karim
인용정보
피인용 횟수 :
4인용 특허 :
34
초록▼
A method and system for stimulating production of a natural resource (e.g., Oil, gas or water) producing well using vibrational energy delivered to the geological formation through a downhole type apparatus that maybe permanently installed, and continuously or periodically operated even during recov
A method and system for stimulating production of a natural resource (e.g., Oil, gas or water) producing well using vibrational energy delivered to the geological formation through a downhole type apparatus that maybe permanently installed, and continuously or periodically operated even during recovery of the natural resource. The apparatus is constructed to resist corrosion and provides one or more heat sink chambers for controlling heat dissipation during operation. The system is capable of monitoring production, adapting stimulation parameters based on user input and other pertinent parameters.
대표청구항▼
1. An apparatus for stimulating the flow of a natural resource in a geological formation toward the extraction zone of a production well, the apparatus comprising: at least one acoustic wave generator for generating at least one modulated high-frequency acoustic wave, wherein said at least one acous
1. An apparatus for stimulating the flow of a natural resource in a geological formation toward the extraction zone of a production well, the apparatus comprising: at least one acoustic wave generator for generating at least one modulated high-frequency acoustic wave, wherein said at least one acoustic wave generator is configured to apply a low-frequency acoustic wave to a geologic formation by applying bursts of said at least one frequency-modulated acoustic wave;a generator chamber for hosting said at least one acoustic wave generator, wherein said generator chamber is sealed and pressurized;a power supply unit for providing electric power to said at least one acoustic wave generator;a power cable for receiving power from a power source at the ground surface to said power supply; andat least one sensor for capturing well temperature and well pressure data;a sensor chamber for hosting said at least one sensor, wherein said sensor chamber is connected to said generator chamber through an opening; anda data cable for transmitting said well temperature and pressure data. 2. The apparatus of claim 1 wherein the surfaces of said generator chamber and said sensor chamber are covered with a layer of a corrosion-resistant compound. 3. The apparatus of claim 1 wherein said generator chamber further contains a liquid capable of absorbing heat. 4. The apparatus of claim 1 wherein said at least one acoustic wave generator further comprises a magnetostrictive transducer. 5. The apparatus of claim 1 wherein said at least one acoustic wave generator further comprises an electromagnetic transducer. 6. The apparatus of claim 1 further having a specific resonance wavelength close to the wavelength of said low-frequency acoustic wave. 7. The apparatus of claim 1, wherein said power supply unit further comprising at least one electronic circuit for converting direct electric current to alternating electric current. 8. The apparatus of claim 1, wherein said power supply unit further comprising at least one electronic circuit for automatically delivering power to said at least one acoustic wave generator. 9. The apparatus of claim 8, wherein said power supply unit further comprising at least one electronic circuit for receiving power from a ground surface power source. 10. The apparatus of claim 8, wherein said power supply unit further comprising: a cable for receiving an electronic signal from a control computer; andat least one electronic circuit for delivering power under the control of said electronic signal received from said control computer. 11. The apparatus of claim 1, wherein said generator chamber further comprising a liquid capable of absorbing heat, and said liquid at least partially surrounding said at least one acoustic wave generator. 12. The apparatus of claim 1, wherein said at least one sensor further comprising a sensor for capturing data about the structural integrity of the chamber wall. 13. The apparatus of claim 1, wherein said power cable further comprises a submersible cable comprising a plurality of electricity conducting cables, each of which having a conductor core, a dielectric and a lead. 14. The apparatus of claim 13, wherein said plurality of electricity conducting cables further comprising a set of tri-phasic power cables. 15. The apparatus of claim 13 wherein said power cable is further surrounded by an iron-based cover. 16. The apparatus of claim 1, wherein said at least one acoustic wave generator further comprises a piezoelectric transducer for generating elastic waves. 17. The apparatus of claim 1, wherein said at least one acoustic wave generator further comprising at least one amplitude-modulated wave generator. 18. An apparatus for stimulating the flow of a natural resource in a geological formation toward the extraction zone of a production well, the apparatus comprising: a plurality of acoustic wave generators for generating at least one modulated high-frequency acoustic wave, wherein said plurality of acoustic wave generators is configured to apply a low-frequency acoustic wave to a geologic formation by applying bursts of said at least one modulated high-frequency acoustic wave;a generator chamber for hosting said plurality of acoustic wave generators, wherein said plurality of acoustic wave generators are mounted within said generator chamber along the longitudinal axis, and wherein the generators of said plurality of generators are distanced from each other by an integer multiple of the wavelength of said low-frequency acoustic wave;a power supply unit for providing electric power to said plurality of generator;a power cable for receiving power from a power source at the ground surface to said power supply; andat least one sensor for capturing well temperature and well pressure data;a sensor chamber for hosting said at least one sensor, wherein said sensor chamber is connected to said generator chamber through an opening;a data cable for transmitting said well temperature and pressure data. 19. The apparatus of claim 18, wherein said plurality of acoustic wave generators are submerged in a heat-dissipating liquid. 20. The apparatus of claim 18, wherein said plurality of generators are mounted within a distance that is half the wave-length of a wave generated by said plurality of acoustic wave generators from the wall of said generator chamber. 21. The apparatus of claim 18, wherein said plurality of acoustic wave generators are mounted in contact with the walls of said generator chamber. 22. The apparatus of claim 18, wherein each generator of said plurality of generators is connected to the wall of said generator chamber by a waveguide. 23. The apparatus of claim 18, wherein each of said plurality of generators is placed in direct contact with the wall of said generator chamber. 24. The apparatus of claim 18, wherein said plurality of generators are placed without direct contact of the generators of said plurality of generators with the wall of said generator chamber.
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