There are a number of reasons that drillers have the need to buy another string of drill pipe. Whatever the reason, when selecting new or used pipe, an understanding of what the pipe actually is and does can help.
"So
far in this series, we have examined two of the three factors to be considered
when determining the pressure requirements of a pump – household working
pressure and lift pressure. The third factor is pressure drop due to friction
loss/"
"Over the past few years, ground source heating/cooling
using vertical loop installations has taken over our industry, and has provided
a great new opportunity for many of us in the water well and drilling industry."
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