Heterogeneous solution ground positive displacement dispensing infinitely variable adjustment device and method of use

By using a non-homogeneous solution ground volumetric stepless adjustment device, and utilizing a hydraulic reversing mechanism and a reciprocating motion mechanism, low-shear injection of polymer solution is achieved, solving the problem of viscoelastic loss in high-temperature and high-salt environments, and improving oil displacement efficiency and injection effect.

CN122257754APending Publication Date: 2026-06-23CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Application Number
CN202411906489.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-06-23

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Abstract

The application discloses a heterogeneous solution ground volumetric distribution stepless adjusting device and a use method, and the device comprises a reciprocating mechanism and a hydraulic reversing mechanism; the hydraulic reversing mechanism comprises a sleeve base and a reversing shaft base, a hydraulic unit is arranged in the sleeve base, a reversing unit is arranged in the reversing shaft base, the hydraulic unit and the reversing unit are connected through an intermittent mechanism, and the reversing shaft base is communicated with the sleeve base; the reciprocating mechanism is connected with the reversing unit, and the reciprocating mechanism leads out an output shaft and is used for connecting a damping device. The volumetric structure is adopted to suck and discharge the heterogeneous solution, the shearing of polymer molecules and particles in the injection liquid in the heterogeneous solution injection process is reduced, the viscosity of the heterogeneous solution is ensured, and low-shearing injection is realized.
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Citation Information

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