# US 11,028,670 B2 · Shock wave device with far field focused reflectors > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,028,670 B2 - Document ID: US11028670B2 - Status: Granted - Kind: B2 - Application number: 16/513,204 - Filed: 2019-07-16 - Published: 2019-11-28 - Granted: 2021-06-08 - Earliest claimed: 2013-04-11 - Assignees: Sanuwave, Inc. - Applicants: Sanuwave, Inc. - Inventors: Iulian Cioanta; Cary McGhin - Web page: https://patentgrep.com/patent/US11028670B2 ## CPC - E21B 37/00: Methods or apparatus for cleaning boreholes or wells (E21B21/00 takes precedence) - C09K 8/52: Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning - C09K 8/58: Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids - E21B 7/24: Drilling using vibrating or oscillating means, e.g. out-of-balance masses (percussion drilling E21B1/00) - E21B 28/00: Vibration generating arrangements for boreholes or wells, e.g. for stimulating production ({for fishing for or freeing objects E21B31/005;} for transmitting measuring-signals E21B47/14; for geophysical measurements G01V1/02) - E21B 43/003: {Vibrating earth formations} - C02F 1/34: with mechanical oscillations - C02F 1/36: ultrasonic vibrations - C02F 1/40: Devices for separating or removing fatty or oily substances or similar floating material (cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; devices in sewers for separating liquid or solid substances from sewage E03F5/14, e.g. for use in drains leading to the sewer E03F5/16) - C02F 2101/32: Hydrocarbons, e.g. oil - C02F 2103/10: from quarries or from mining activities - C02F 2103/365: {from petrochemical industry (e.g. refineries)} - C02F 2303/04: Disinfection - C02F 2303/22: Eliminating or preventing deposits, scale removal, scale prevention (C02F1/042, C02F1/4602, C02F5/00 take precedence) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract A battery of shock waves applicators positioned on a support beam having an elliptical or spherical shape in a common device wherein focused shock waves from the applicators combine to provide pseudo-planar waves over a far field distance. ## Claims ### Claim 1 A shock wave device to provide acoustic pressure shock waves to a far field of an oil reservoir comprising: a plurality of acoustic pressure shock wave reflectors having an elliptical shape configured to focus acoustic pressure shock waves produced by the shock wave device through a well bore casing and into the oil reservoir; and a support beam having one of an elliptical or spherical shape coupled to and supporting the plurality of shock wave reflectors in an arrangement wherein focused shock waves produced by the plurality of shock wave reflectors combine to create pseudo planar focused acoustic pressure shock waves that reach far field beyond the well bore casing and into the oil reservoir. ### Claim 2 (depends on 1) The device of claim 1, further comprising rollers coupled to the support beam. ### Claim 3 (depends on 2) The device of claim 2, wherein the rollers are configured to provide one or both of longitudinal and rotational movement to the support beam. ### Claim 4 (depends on 3) The device of claim 3, wherein the plurality of shock wave reflectors includes from three to thirty shock wave reflectors. ### Claim 5 (depends on 4) The device claim 4, wherein the arrangement of the shock wave reflectors on the support beam is configured to direct the pseudo planar focused shock waves through perforations in the well bore casing. ### Claim 6 (depends on 5) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 5. ### Claim 7 (depends on 4) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 4. ### Claim 8 (depends on 3) The device claim 3, wherein the arrangement of the shock wave reflectors on the support beam is configured to direct the pseudo planar focused shock waves through perforations in the well bore casing. ### Claim 9 (depends on 8) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 8. ### Claim 10 (depends on 3) A method of delivering shock comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 3. ### Claim 11 (depends on 2) The device claim 2, wherein the arrangement of the shock wave reflectors on the support beam is configured to direct the pseudo planar focused shock waves through perforations in the well bore casing. ### Claim 12 (depends on 11) A method of delivering shock waves far comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 11. ### Claim 13 (depends on 2) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 2. ### Claim 14 (depends on 1) The device of claim 1, wherein the plurality of shock wave reflectors includes from three to thirty shock wave reflectors. ### Claim 15 (depends on 14) The device claim 14, wherein the arrangement of the shock wave reflectors on the support beam is configured to direct the pseudo planar focused shock waves through perforations in the well bore casing. ### Claim 16 (depends on 15) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 15. ### Claim 17 (depends on 14) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 14. ### Claim 18 (depends on 1) The device claim 1, wherein the arrangement of the shock wave reflectors on the support beam is configured to direct the pseudo planar focused shock waves through perforations in the well bore casing. ### Claim 19 (depends on 18) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 18. ### Claim 20 (depends on 1) A method of delivering shock waves comprising applying from between 300,000 to 5,000,000 shock wave shots with frequency ranging from 0.5 up to 10 HZ and with output energies in excess of 1 kJ up to 1 MJ to a location within the oil reservoir with the device of claim 1.