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DGWS Capacities |
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| The table below presents DHI's RFI system
capacities. The RFI system utilizes conventional rod
pumping technology. Thus, you can use the same methods
to determine injection rates for the RFI system as you
do to determine production rates for a conventional
pump, pumping to the surface. |
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The maximum injection pressure that the RFI system can develop
depends on the surface pumping unit, rod string, prime mover,
depths, injection rates and fluids. However, the RFI systems
maximum system rating is 4500psi.
DHI is the only DGWS company that offers both insert and tubing
pump versions of the RFI system. The tubing pump barrel is
an integral part of the tubing string and requires pulling
the tubing to repair, inspect or replace it. The insert pump
is run into the well as a unit at the end of the sucker rod
string. The primary advantage of the tubing pump is that a
larger pump bore can fit into the RFI system in respect to
the casing size.
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