Sanjack : Your Premier Choice Of Well Flushing Protector
This reservoir well flushing protector is one of our patent product specially designed for many oil wells with serious formation deficit, in which all the well flushing fluid leaks into the underground formation during well flushing, which not only pollutes the formation but also fails to achieve the due effect and purpose of well flushing.
Sanjack : Your Best China Well Flushing Protector Manufacturer and Supplier
When the oil well is back washed, both the rubber bowl and the expansion rubber cylinder seal the annulus of the tubing and casing at the same time, the single flow valve with the pump pressure greater than 5MPa closes automatically, and the expansion rubber cylinder opens, so that the flushing fluid cannot enter the formation, so as to wash the well and protect the formation. In the normal production of oil well, the single flow valve is always open under the action of suction.
Sanjack : Your Best Place To custom Well Flushing Protector In China
It is suitable for well washing in all wells with serious formation loss. The aim of this product is to ensure that the well flushing fluid does not enter the reservoir, but all return to the surface, achieving the purpose of well flushing, and protecting the formation from pollution.
Sanjack: The Advantages With Us You Should Know
The main components of this product include: upper and lower joints, central pipe, rubber bowl, oil drain device, single flow valve, expansion rubber cylinder, etc.








