Xanthan gum for the oil and gas industry
Xanthan gum (E415) is an extracellular polysaccharide, a product of a special type of fermentation. Xanthomonas campestris microorganisms secrete this type of gum on the outer surface of the cell wall during their vital activity. After that, the gum gets into the environment. The composition and structure of xanthan gum, manufactured in industrial conditions, is in no way inferior to the gum obtained during the cultivation of Xanthomonas campestris microorganisms.
Xanthan is a necessary component for optimal consistency of drilling mud.

Drilling mud leaches rock from the well more efficiently, has high cooling and lubricating properties.
Xanthan gum is obtained by aerobic fermentation in an aqueous medium. The enzymatic medium contains carbohydrates (sugar), nitrogen sources, trace elements, and other growth factors.

Xanthanum production is a complex multi–stage process. To obtain good results, it is necessary to strictly monitor the composition of the culture medium, aeration and mixing conditions, pH and temperature.


Xanthan is a biopolymer that consists of repeating fragments. The fragments contain five sugar residues: two glucose, two manose, and one glucuronic acid residue, partially esterified with acetic and pyruvic acids. The molecular weight and properties of xanthanum can be adjusted by changing the living conditions of microorganisms. The presence of carboxylic (glucuronic acid residues) and pyruvate acid groups gives xanthan molecules a fairly high negative charge.

In commercial preparations for food purposes, acid groups are neutralized to form potassium, calcium and sodium salts.
Application in the oil and gas industry
Production of xanthan gum and sources of raw materials
Xanthan has several advantages over synthetic polymers:
Increases oil recovery due to greater efficiency of water isolation in heterogeneous formations
The natural rapid decomposition of xanthan leaves the oil-bearing layer clean
Improves the rheological properties of the gel-forming composition
Increases gel strength, increases stability over time
Xanthanum production process
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