Profile: Pumps of Oklahoma offers a full line of groundwater monitoring & remediation supplies. We also provide submersible, centrifugal, chemical resistant, sump & sewage, slurry, boiler feed, booster, pressure and vertical pumps. We carry a full line of 4″, 6″, 8″ and 10″ submersible pumps for any application. We have pumps for water wells, irrigation, oil & gas and environmental remediation. We are specialized in supplying coal bed methane submersible oil well pump. Grundfos coal bed methane submersible pump is the durable oil well pump in the industry for natural gas, oil and methane gas recovery. These submersible oil well pumps feature corrosion-resistant stainless steel construction and wear resistant design. Our multistage centrifugal pump consists of multiple stage housing, impellers and stationary diffusers. The pressure energy change is accomplished as the liquid being pumped surrounds the impeller, and as the impeller rotates. The diffuser's function is to change some of the high velocity energy into pressure energy.