CHROME FREE WATER-BASED WELLBORE FLUID

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United States of America Patent

APP PUB NO 20110180256A1
SERIAL NO

13122604

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Abstract

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Methods for maintaining the rheology and reducing the fluid loss of chrome-free, aqueous-based wellbore fluids under high temperature-high pressure conditions are disclosed. The method may comprise formulating the chrome-free, aqueous wellbore fluid with an aqueous base fluid, at least one chrome-free viscosifier, at least one chrome-free fluid loss control additive, at least one chrome-free dispersant; and circulating the chrome-free aqueous-based wellbore fluid in a wellbore at temperatures exceeding 300° F.

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M-I L L C1201 LOUISIANA STREET HOUSTON TX 70002

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fernandez, Jorge Houston, US 22 86
Gerrard, Donna Aberdeen, GB 2 26
Tehrani, Ahmadi Kincardineshire, GB 5 108
Young, Steven Cypress, US 73 2099

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  • 19 Citation Count
  • E21B Class
  • 48.61 % this patent is cited more than
  • 14 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1531814168333114179672601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020406080100120140160180200220240260280300320340

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