|
|
To North American railroads, sand is sand. However, to Halliburton and other firms involved in the oil and gas industry’s new wave of hydraulic fracturing, there’s no such thing. There are about five different grades of sand for drilling. Mixing different grades of sand can have devastating consequences on the equipment at a multimillion-dollar drilling site. Premium glacial sands are mostly extracted from quarries around the Great Lakes region. Getting suitable ...
|
|