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Methods of using drilling fluid compositions with enhanced rheology

  • US 10,563,110 B2
  • Filed: 07/17/2018
  • Issued: 02/18/2020
  • Est. Priority Date: 02/03/2017
  • Status: Active Grant
First Claim
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1. A method of drilling a subterranean well, the method comprising:

  • operating a drill in a wellbore in the presence of a drilling fluid composition comprising;

    a base fluid;

    at least one additive chosen from an emulsifier, a weighting material, a fluid-loss additive, a viscosifiers, or an alkali compound; and

    consisting essentially offrom 0.3 wt. % to 0.8 wt. %, based on the total weight of the drilling fluid composition, of an ethoxylated alcohol compound having formula (I);


    R—

    (OCH2CH2)7

    OH 



    (I)where R is a hydrocarbyl group having exactly 12 carbon atoms.

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