F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/02 (2006.01) E21B 17/00 (2006.01)
Patent
CA 2331931
A hydraulic-pumping unit is used for the operations of water and oil wells. It consists in a mechanism mounted on the top of the water or oil well. The hydraulic-pumping unit lifts up the sucker rods of the reciprocating pump. The hydraulic-pumping unit has a hydraulic balance. Others lifting units like conventional pumping units have a loading balance or air balance with the weight of the well fluids and sucker rods. Due to construction of conventional pumping units the sucker rods of the reciprocating pump bear more use per year, more wear off and they could be broken. The Q-rate in barrels per day is direct function of S-stroke in inches and n-strokes per minute. These two parameters are very important to pump up fluids from the bottom well. The conventional pumping units have a relatively short stroke and high speed and the invention of hydraulic- pumping unit has the long stroke and very low speed for the same rate. The hydraulic-pumping unit represents the unique mechanism with the well- known Pascal's principle. The hydraulic-pumping increases the sucker rod life service and the pump as well. The novel of this invention is that it can be manufactured by having a great height to obtain a very low speed.
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