Sulfuric and nitric acids were used to functionalize asphaltenes isolated from heavy crude oil
by treatment with heptane or hexamethyldisiloxane. The elemental composition of the …

The pesticide component of GLEAMS (Groundwater Loading Effects of Agricultural
Management Systems) model was developed to evaluate the complex interrelationships …

Hydrocarbon production leads to the disturbance of several thermodynamic equilibriums
including the destabilization of crude oil. Asphaltenes precipitation, aggregation and …

In recent years, long-distance subsea tiebacks have become a preferred field development
option for deep and ultra-deepwater production. However, conditions such as lengthy …

The ability to predict the thermodynamic conditions which result in asphaltene precipitation
and its severity has many applications in industry. Asphaltene precipitation can be …

The composition and distribution of hydrocarbons and hetero-organic compounds of oil
components of the crude oil sampled from the Usinskoye oil field and those of samples of …