Drill Pump

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Drill Pump

 

a pump designed for injecting water and hydraulic fluids (mainly clay mortar) during drilling. The drill pump provides circulation of the flushing liquid in the well and creates flow power for the face motor (during turbine drilling). Drill pumps may be of the positive-displacement (reciprocating or displacement pumps) and vane (multistage axial pumps) type.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
"After you get about 25 percent of the oil out of an oil well, the pressure drops and it's harder," says Fyrwald, explaining that oil companies then drill pump water down into the oil field to push oil to the well opening, which boosts recovery but yields a mix of oil and water.
Another popular WEBAC product for manhole repair is the P1001 drill pump. This pump offers the pressures of a larger industrial sized unit, but also provides the convenience of a smaller hand geld unit that can be taken down into the manhole.