Fines control increases gas production

A surface-modification additive (SMA) to the proppant in a fracture-stimulation treatment increased the gas production rate and prolonged the life of a gas well in Saudi Arabia.This additive stops fines from invading the proppant pack inside the fracture, so that the well maintains its conductivity under severe conditions of high temperatures and high production flow rates.1The well produces from highly permeable and unconsolidated pay intervals in the Unayzah sandstone formation.These intervals, even with a minimum drawdown, typically produce formation sand.Treatment resultsIn the well, two minifracs performed before the main frac indicated unrestricted fracture height growth. Therefore,...

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