Abstract
Natural gas hydrate is formed under certain temperatures and pressures, which makes it an unavailable clean energy source. However, in industrial production, clogging occurring due to hydrate generation can cause a series of safety accidents and economic losses. In order to solve the hazards of natural gas hydrates in drilling, this paper reviews the formation conditions of natural gas hydrates and the prevention and control measures. In order to inhibit the formation of hydrates, the use of traditional well control measures and the addition of thermodynamic inhibitors have high costs, large dosages, an unfriendly environment, etc. The new type of kinetic inhibitor has a strong effect and low dosage and is considered to be the most promising chemical treatment for hydrate prevention and control in the industry. However, kinetic inhibitors are greatly affected by environmental factors, and compounding them with thermodynamic inhibitors and their synergistic effect can greatly reduce the dosage of thermodynamic inhibitors and improve inhibition performance. It is an important direction for laboratory research and has shown good results in field applications.
Published Version
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