US Patent 11365340 Methods and compositions including associative polymers

Methods and compositions for modifying the rheological properties of non-aqueous fluids for treating subterranean formation are provided. In one or mom embodiment, the compositions comprise a non-aqueous fluid; a weighting agent; and one or more associative polymers that are capable of associating to form one or more supramolecular assemblies. In one or more embodiments, the methods comprise introducing a treatment fluid into a wellbore penetrating at least a portion of a subterranean formation, wherein the treatment fluid comprises a non-aqueous fluid and one or more associative polymers.