A team of researchers from several institutions in Germany and Israel has used theoretical analysis to explain the conditions under which mega-ripples form in areas where sand dunes rise. In their ...

The northeastern region of China, a typical seasonally frozen zone, contains silty sand subgrade that are subjected to long-term dynamic loads from vehicles and are highly susceptible to deformation ...

Wisconsin’s pollution control agency released a draft Tuesday of a comprehensive study of sand mining to swift criticism from environmentalists who say it relies too heavily on industry-funded air ...

Adopting next-generation pump power, wet sand, and dry chemicals reduces fracturing emissions by about 30%. SLB conducted a lifecycle assessment of emissions from typical US fracturing operations. The ...

Southwest Research Institute (SwRI) has created a new, more effective method to evaluate changes in sand control screens used in oil and gas production wells. The new evaluation method provides a more ...