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Skid-mounted high-pressure dosing device and method

A dosing device, skid-mounted technology, applied in chemical instruments and methods, mixers with rotary stirring devices, dissolving and other directions, can solve the problems of liquid viscosity, difficult injection, difficult operation, etc., and achieve uniform stirring. , to achieve stability, to overcome the effect of injection difficulties

Inactive Publication Date: 2014-11-19
SINOPEC ENERGY & ENVIRONMENTAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Composite flooding is a high-viscosity liquid (viscosity 40-100mpa·s). If conventional dosing devices and methods are used, injection will be difficult, especially in winter when the temperature is low and the liquid is viscous, making operation more difficult.
In order to promote the application of the new composite flooding technology, it is necessary to improve the existing chemical dosing process device and overcome the technical difficulty of injecting high-viscosity liquid

Method used

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  • Skid-mounted high-pressure dosing device and method
  • Skid-mounted high-pressure dosing device and method
  • Skid-mounted high-pressure dosing device and method

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Embodiment Construction

[0018] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] like figure 1 , 2 As shown, a skid-mounted high-pressure dosing device includes a base 1, a platform 2, a medicine tank 3, a dosing pump 4, a control cabinet 5, a liquid level gauge 6, and a stirring device 12. The platform is installed in the middle of the base, and the medicine There are two tanks, which are symmetrically installed on the base relative to the platform. The dosing pump and the control cabinet are respectively installed on the base. The dosing pump is a hydraulic double-diaphragm metering pump. The liquid level gauge is installed on the outer wall of the tank. The level gauge is a magnetic flap liquid level gauge. The stirring device is installed inside the medicine tank. The motor 16 and the reducer 17 are connected to the bracket 18 through bolts 26. The bracket is installed...

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Abstract

The invention provides a skid-mounted high-pressure dosing device and method. The device comprises a base, a platform, a medicament tank, a dosing pump, a control cabinet, a liquid level meter and a stirring device, wherein the stirring device consists of a paddle blade and a baffle plate, and is used for realizing uniform stirring of medicaments without damaging the monomer forms of the medicaments; a heater and a temperature control device are arranged inside the medicament tank; and by controlling the temperature inside the medicament tank, the flowing viscosities of the medicaments are lowered while the medicament properties are not lowered. By adopting the device and the method, the functions of stirring, heating, metering, high-pressure injection and the like are integrated, so that the technical problem of difficulty in injecting high-viscosity liquid medicaments is solved, and a dosing process is simplified, automatized and integrated.

Description

technical field [0001] The invention belongs to the technical field of high-temperature and high-salt oil reservoir polymer flooding, and in particular relates to a skid-mounted high-pressure dosing device and method. Background technique [0002] Conventional polymer flooding technology is more suitable for the development of conventional reservoirs, but not suitable for the application of high temperature and high salinity reservoirs. In recent years, academician Han Dakuang and other experts have developed a new type of pre-crosslinked movable gel system SMG, which has the characteristics of temperature and salt resistance; in addition, Shanghai Petrochemical Research Institute and Shengli Oilfield have developed a new type of surfactant that is resistant to temperature and salt. Therefore, the pre-cross-linked mobile gel and surfactant can be used to form composite flooding, which can be used in high-temperature and high-salt reservoirs to improve oil recovery. Compound...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/16B01F15/06B01F15/02
Inventor 周丹举杨琳
Owner SINOPEC ENERGY & ENVIRONMENTAL ENG CO LTD
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