The invention provides a method for producing guar gum, the method comprising the steps of: (a) sizing husk from guar seed into larger pieces and smaller pieces, (b) washing the larger pieces, (c) soaking the larger pieces, and (d) flaking the larger pieces to obtain guar gum. The invention also provides a method for processing undehusked guar splits, the method comprising the steps of: (a) dehusking undehusked guar splits to obtain dehusked guar splits and husk, and (b) sizing the husk into larger pieces and smaller pieces. The invention further provides a method for treating a subterranean formation penetrated by a wellbore, wherein the method comprises the steps of: (a) sizing husk from guar seed into larger pieces and smaller pieces; (b) washing the larger pieces; (c) soaking the larger pieces; (d) flaking the larger pieces to obtain guar gum flakes; (e) grinding the guar gum flakes to obtain guar gum powder; (f) forming a well treatment fluid, wherein the well treatment fluid comprises an aqueous fluid and the guar gum powder; and (g) introducing the well treatment fluid through the wellbore into the subterranean formation.

 
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