Downhole pressure regulator
A technology of downhole pressure and regulator, which is applied in wellbore/well components, wellbore/well valve devices, earthwork drilling and production, etc. It can solve the problems of accelerating oil pumping efficiency, decreasing oil production efficiency, etc., achieving The effect of improving lifting efficiency, improving lifting capacity, and improving work efficiency
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[0019] Such as figure 1 As shown, this embodiment includes a housing 1, in which a regulating chamber 3, an air intake chamber and a transition chamber 11 are sequentially opened from top to bottom, and the regulating chamber 3 is installed with a cylinder filled with compressed air. The airbag 2, and the adjustment chamber 3 communicates with the air intake chamber through the vent hole 6, and the air intake chamber communicates with the transition chamber 11 through the small hole 10, and the transition chamber 11 communicates with the oil pipe, on both sides of the air intake chamber There is a communication hole 8, and a T-shaped ejector rod 7 is arranged in the middle of the air intake cavity. The return spring 4 is set on the vertical section of the ejector rod 7. The top of the vertical section of the ejector rod 7 passes through the air hole 6 and then goes upward. Extending to connect with the airbag 2, a first sphere 5 for sealing the small hole 10 is provided at the...
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