# US 9,038,725 B2 · Method and system for servicing a wellbore > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,038,725 B2 - Document ID: US9038725B2 - Status: Granted - Kind: B2 - Application number: 13/545,828 - Filed: 2012-07-10 - Published: 2014-01-16 - Granted: 2015-05-26 - Earliest claimed: 2012-07-10 - Assignees: Halliburton Energy Services, Inc. - Applicants: Rory Dennis Daussin - Inventors: Rory Dennis Daussin - Web page: https://patentgrep.com/patent/US9038725B2 ## CPC - E21B 43/25: Methods for stimulating production {(by vibrating earth formations E21B43/003)} - C02F 1/325: {Irradiation devices or lamp constructions} - E21B 43/2607: {Surface equipment specially adapted for fracturing operations} - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - 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 method of servicing a wellbore that includes, transporting a fluid treatment system to a wellsite, accessing a water source proximate to the wellsite, introducing a water stream from the water source into the fluid treatment system, irradiating at least a portion of the water stream within the fluid treatment system, forming a wellbore servicing fluid from the irradiated water stream, and placing the wellbore servicing fluid into the wellbore. The portion of the water stream is irradiating by exposing the portion of water stream to ultraviolet light emitted from at least one pulsed ultraviolet lamp. ## Claims ### Claim 1 A method of servicing a wellbore, comprising: transporting a fluid treatment system to a wellsite; accessing a water source proximate to the wellsite; introducing a water stream from the water source into the fluid treatment system; irradiating at least a portion of the water stream within the fluid treatment system, wherein the portion of the water stream is irradiated by exposing the portion of the water stream to ultraviolet light emitted from at least one pulsed ultraviolet lamp; forming a wellbore servicing fluid from the irradiated water stream, wherein forming the wellbore servicing fluid comprises mixing the irradiated water stream with an additive; placing the wellbore servicing fluid into the wellbore; and wherein the fluid treatment system comprises an ultraviolet irradiation unit comprising at least one ultraviolet irradiation chamber; wherein the at least one ultraviolet irradiation chamber comprises the at least one pulsed ultraviolet lamp; and wherein the at least one ultraviolet irradiation chamber comprises a first group of pulsed ultraviolet lamps and a second group of pulsed ultraviolet lamps, wherein the lamps of the first group of pulsed ultraviolet lamps and the lamps of the second group of pulsed ultraviolet lamps are positioned within the ultraviolet irradiation chamber about perpendicular to a flowpath of the water stream through the ultraviolet irradiation chamber. ### Claim 2 (depends on 1) The method. of claim 1, wherein the first group of pulsed ultraviolet lamps is radish offset from the second group of pulsed ultraviolet lamps. ### Claim 3 (depends on 1) The method of claim 1, wherein the first group of pulsed ultraviolet lamps is axially offset from the second group of pulsed ultraviolet lamps. ### Claim 4 (depends on 1) The method of claim 1, wherein the at least one pulsed ultraviolet lamp is positioned within the ultraviolet irradiation chamber about parallel to a flowpath of the water stream through the ultraviolet irradiation chamber. ### Claim 5 (depends on 4) The method of claim 4, wherein the at least one pulsed ultraviolet lamp is positioned about in the center of the flowpath ### Claim 6 (depends on 4) The method of claim 4 wherein the at least one pulsed ultraviolet lamp is offset from the center of the flowpath. ### Claim 7 (depends on 1) The method of claim 1, wherein irradiation of the water stream occurs at a rate that is at least 10% greater than a rate at which the water could be irradiated by exposing the portion of the water stream to ultraviolet light emitted from a continuous mercury vapor lamp so as to achieve an equivalent microorganism inactivation as in the irradiated stream. ### Claim 8 (depends on 1) The method of claim 1 wherein irradiation of the water stream occurs at a rate that is at least 20% greater than a rate at which the water could be irradiated by exposing the portion of the water stream to ultraviolet light emitted from a continuous mercury vapor lamp so as to achieve an equivalent microorganism inactivation as in the irradiated stream. ### Claim 9 A method of servicing a wellbore, comprising: accessing a water source to form a water stream; providing at least one ultraviolet irradiation chamber, wherein the chamber comprises a first group of pulsed ultraviolet lamps and a second group of pulsed ultraviolet lamps, wherein the lamps of the first group of pulsed ultraviolet lamps and the lamps of the second group of pulsed ultraviolet lamps are positioned within the ultraviolet irradiation chamber about perpendicular to a flowpath of the water stream through the ultraviolet irradiation chamber; irradiating at least a portion of the water stream to yield an irradiated water stream, wherein the portion of the water stream is irradiated by exposing the portion of the water stream to ultraviolet light emitted from the pulsed ultraviolet lamps; forming a wellbore servicing fluid from the irradiated water stream, wherein forming the wellbore servicing fluid comprises mixing the irradiated water stream with an additive; and placing the wellbore servicing fluid into the wellbore. ### Claim 10 (depends on 9) The method of claim 9, further comprising measuring turbidity of the water stream, turbidity of the irradiated stream, or both. ### Claim 11 (depends on 10) The method of claim 10, further comprising controlling a rate at which the portion of the water stream is irradiated based on the turbidity of the water stream, the turbidity of the irradiated stream, or combinations thereof. ### Claim 12 (depends on 9) The method of claim 9, wherein irradiation of the water stream occurs at a rate that is at least 10% greater than a rate at which the water could be irradiated by exposing the portion of the water stream to ultraviolet light emitted from a contiunuous mercury vapor lamp so as to achieve an equivalent microorganism inactivation as in the irradiated stream. ### Claim 13 (depends on 9) The method of claim 9, wherein irradiation of the water stream occurs at a rate that is at least 20% greater than a rate at which the water could be irradiated by exposing the portion of the water stream to ultraviolet light emitted from a continuous mercury vapor lamp so as to achieve an equivalent microorganism inactivation as in the irradiated stream. ### Claim 14 A fluid treatment system for servicing a wellbore, comprising: an ultraviolet irradiation unit, the ultraviolet irradiation unit comprising at least one ultraviolet irradiation chamber, the at least one ultraviolet irradiation chamber comprising at least one pulsed ultraviolet lamp; a blender configured to mix the irradiated water stream with an additive, the ultraviolet irradiation unit being in fluid communication with the blender; a wellhead providing access to the wellbore, the blender being in fluid communication with the wellhead; and wherein the at least one ultraviolet irradiation chamber comprises a first group of pulsed ultraviolet lamps and a second group of pulsed ultraviolet lamps, wherein the lamps of the first group of pulsed ultraviolet lamps and the lamps of the second group of pulsed ultraviolet lamps are positioned within the ultraviolet irradiation chamber about perpendicular to a flowpath of the water stream through the ultraviolet irradiation chamber. ### Claim 15 (depends on 14) The system of claim 14, wherein the first group of pulsed ultraviolet lamps is radially offset from the second group of pulsed ultraviolet lamps. ### Claim 16 (depends on 14) The system of claim 14, wherein the first group of pulsed ultraviolet lamps is axially offset from the second group of pulsed ultraviolet laws. ### Claim 17 (depends on 14) The system of claim 14, wherein the at least one pulsed Ultraviolet lamp is positioned within the ultraviolet irradiation chamber about parallel to a flowpath of the water stream through the ultraviolet irradiation chamber. ### Claim 18 (depends on 17) The system, of claim 17, wherein the at least one pulsed ultraviolet lamp is positioned about in the center of the flowpath. ### Claim 19 (depends on 17) The system of claim 17, wherein the at least one pulsed ultraviolet lamp is offset from the center of the flowpath. ### Claim 20 (depends on 14) The system of claim 14, wherein the system further comprises a blender, a manifold, a high-pressure pump, or combinations thereof.