Hydraulic fracturing is a cornerstone technique for unlocking hydrocarbon reserves from low-permeability formations. The success of this process hinges on the sophisticated formulation of fracturing fluids, where polyacrylamide (PAM) plays an indispensable role. As a key fracturing fluid additive, PAM's unique properties significantly enhance the efficiency and effectiveness of the fracturing operation, leading to improved well productivity.

The primary function of polyacrylamide in fracturing fluids is to act as a viscosifier. When PAM is added to water, it forms a high-viscosity fluid. This increased viscosity is crucial for several reasons. Firstly, it allows the fracturing fluid to carry proppants – typically sand or ceramic particles – deep into the newly created fractures. Without adequate viscosity, these proppants would settle out prematurely, failing to prop open the fractures and thus limiting hydrocarbon flow. The careful selection of fracturing fluid polyacrylamide ensures optimal proppant suspension and transport.

Secondly, the high viscosity imparted by polyacrylamide reduces the frictional pressure experienced during the pumping of the fluid into the wellbore. This drag reduction means that less pumping pressure is required to achieve the desired injection rates, leading to reduced energy consumption and operational costs. It also allows for higher volumes of fluid to be pumped, which can result in more extensive and effective fracture networks.

Polyacrylamide also plays a vital role in fluid loss control during hydraulic fracturing. By forming a thin, low-permeability filter cake on the fracture face and in the pore spaces of the formation, PAM minimizes the amount of fracturing fluid that leaks into the reservoir. This not only conserves the fracturing fluid but also prevents potential damage to the reservoir's permeability, which could hinder hydrocarbon production. The integration of fracturing fluid polyacrylamide is thus essential for both operational efficiency and reservoir protection.

Moreover, specialized grades of polyacrylamide are available that offer excellent thermal and shear stability, ensuring their performance even under the extreme downhole conditions encountered during fracturing. The ability of these polymers to maintain their viscosity and properties under stress is critical for the success of the entire operation. NINGBO INNO PHARMCHEM CO.,LTD. offers a range of high-performance polyacrylamide products that are specifically engineered as fracturing fluid additives, empowering the oil and gas industry to maximize their recovery from challenging formations.