In the pursuit of maximizing hydrocarbon extraction from mature oil fields, Enhanced Oil Recovery (EOR) techniques are becoming increasingly vital. Among the various EOR methods, polymer flooding stands out as one of the most effective and widely implemented strategies. At the heart of this technology lies polyacrylamide (PAM), a synthetic polymer whose unique properties are instrumental in mobilizing and recovering significant quantities of residual oil. NINGBO INNO PHARMCHEM CO.,LTD. is at the forefront of supplying high-quality polyacrylamide for these critical applications.

The fundamental principle behind polymer flooding is to increase the viscosity of the injected water, thereby improving the sweep efficiency of the oil displacement process. Conventional water flooding often struggles with mobility issues, where injected water preferentially flows through high-permeability zones, bypassing and leaving behind substantial amounts of oil. Polyacrylamide, when dissolved in water, forms highly viscous solutions even at low concentrations. This increased viscosity of the injected fluid makes it more viscous than the oil it is displacing, leading to a more uniform displacement front and preventing the premature breakthrough of water. This effectively pushes more oil towards production wells.

Beyond simply increasing viscosity, polyacrylamide also plays a crucial role in reducing the water-to-oil mobility ratio. This is achieved by selectively reducing the permeability of high-permeability zones or high water-saturated zones within the reservoir. The polyacrylamide molecules can adsorb onto the pore surfaces, or through mechanisms like 'viscous fingering,' they can create resistance to water flow. This forces the injected water to channel through previously unswept regions, thereby increasing the contact time and displacing more oil. The careful selection of polyacrylamide properties, such as molecular weight and degree of hydrolysis, is critical for optimizing its performance in different reservoir conditions.

NINGBO INNO PHARMCHEM CO.,LTD. offers a spectrum of polyacrylamide grades specifically designed for polymer flooding applications. These products are engineered for excellent salt tolerance and shear stability, ensuring their effectiveness even under the harsh conditions encountered in deep reservoirs. By employing these advanced polyacrylamide solutions, oil companies can significantly enhance their oil recovery rates, extend the productive life of their reservoirs, and achieve greater economic returns. The application of polyacrylamide in EOR is a testament to its power as a tool for maximizing the value of existing oil assets.

The continuous research and development by NINGBO INNO PHARMCHEM CO.,LTD. ensures that our polyacrylamide offerings remain at the cutting edge, supporting the industry's ongoing efforts to improve oilfield productivity and sustainability.