Proppant Movement In Frac Casing Including Runaway Perforations And Limited Entry.

Massive frac-pumping equipment in a modern Marcellus gas shale well. Universal Pumping Services. Perforations are the tiny holes in the casing of a well that produces oil or gas. The perforations allo...

Proppant Movement In Frac Casing Has Been Nailed Down, But How Important Is It Really For Shale Wells?

Pumping water mixed with sand in a fracking operation, for Anadarko in Franktown, Colorado. Denver Post via Getty Images Proppant consists of sand-sized particles injected with frac fluid during a fra...