Service executives talk guar

Oil & Gas Journal reporters rarely write about agricultural commodities. This reporter previously has drawn upon her farm kid experience in the Nebraska corn fields to write about corn prices and ethanol. Recently, my coverage of unconventional oil and gas acquainted me with guar gum, derived from the seeds of a legume. Guar gum is a thickener in enhanced oil recovery and an ingredient in some fracturing fluids as well. Guar gum also is used in food emulsifiers. The drilling boom in US shale formations has escalated the demand for guar gum. Executives of service companies say rising guar prices are among various factors taking a toll on their profit margins. India accounts for 70% of ...

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