WASHINGTON ROTATING
Equipment and devices, namely, rotating control devices, diverters, and various rubbers, namely, stripper, wiper, and casing rubbers for use in general drilling applications for oil, gas, water, and geothermal drilling including oil and gas spudding applications, water well applications, geothermal applications, geotechnical applications, open pit mining applications, underground mining applications, construction applications, monitoring well applications, blast hole sampling applications, mi...
Registered · November 29, 2017 · 87700922 ·