Tag reservoir stimulation technology

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Application of polyacrylamide in oilfield operations

Polyacrylamide is a polymer compound, known as a “universal additive” and a “miracle product” due to its active acyl groups on its main chain and its water solubility. In the petroleum development process, polyacrylamide is widely used in oilfield operations…

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2026-04-07

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Fracturing Fluids and Ultra-Low Interfacial Tension: A Microscopic Revolution in Unconventional Oil and Gas Reservoir Development – Part Two: The Silent Killer – Water Locking Effect and Capillary Resistance Mechanism

Part 2: The Silent Killer — Mechanisms of Water Blocking and Capillary Resistance 2.1 Capillary Pressure: The Absolute Ruler in Nanopores In tight sandstone and shale matrices, pore throat radii are extremely small, typically ranging from nanometers to microns. This…

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2026-02-26