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Development of anti-bit balling fluids

  • US 10,538,692 B2
  • Filed: 06/25/2019
  • Issued: 01/21/2020
  • Est. Priority Date: 02/03/2017
  • Status: Active Grant
First Claim
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1. A method for using a drilling fluid in drilling operations, the method comprising:

  • mixing;

    water,from 50 to 700 lb/bbl of a clay-based component based on total weight of the drilling fluid, anda polyethylene glycol comprising Formula (II);

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