Dissolvable frac plugs, also known as dissolvable bridge plugs or dissolvable frac balls, are used in hydraulic fracturing operations in oil and gas wells. These plugs are designed to isolate diff...
Vigor's Unlimited-Circulation Bypass Valve (UCBV) realizes the unlimited "on" and "off" of the underground bypass by one-time pitching and flow rate control at the wellhead, to realize multiple co...