The efficient recovery of bitumen, a highly viscous form of crude oil, poses significant technical and economic challenges. In recent years, researchers have developed advanced experimental techniques ...

VG grades are known by the Indian government as the preferred type of bitumen for road construction. In 1991, the Bureau of Indian Standards adopted a new grading method for bitumen, named viscosity ...

Greenvale Mining Ltd. (AU:GRV) has released an update. Greenvale Mining Ltd. has reported positive results from its Liquefaction Test Program 5 at the Alpha Torbanite Project, showing potential for ...

A recent study used various gas oils and blends with residual heavy oils in order to evaluate the predictability of four different correlations. The gas oils differed substantially in their ...

Greenvale Energy is on the path towards a commercial bitumen product after testwork at the Alpha project in Queensland recorded the highest conversion to date. GRV’s latest testwork shows company ...

Solvents are used to increase production and reduce steam-to-oil ratio in steam-assisted gravity drainage (SAGD). Variations of SAGD that use solvents, such as expanding solvent (ES) SAGD or ...

The two main problems that occur in asphalt concrete (tarmac) surfaces are that wheel ruts are formed when the material is too soft, or that the surface cracks when too hard. Climate Considerations In ...