ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,708, issued on May 13, was assigned to IMPULSE DOWNHOLE SOLUTIONS LTD. (Edmonton, Canada).
"Friction reduction assembly" was invented by Douglas Kinsella (Sturgeon County, Canada), Kevin Leroux (Beaumont, Canada), Troy Lorenson (Edmonton, Canada) and Dwayne Parenteau (Edmonton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A friction reduction tool and assembly are selectively activatable to produce fluid pressure pulses in downhole operations. The assembly includes a variable choke assembly having a rotary component and a stationary component, each with passages that enter into and out of alignment when the rotary component rotates with res...