Medium mixing injection device and medium mixing injection process

Abstract

The invention discloses a medium mixing injection device and a medium mixing injection process. The medium mixing injection device comprises a phase mixer and at least two sets of injection components, the at least two sets of injection components are respectively communicated with the phase mixer, the phase mixer is used for enabling media injected by the at least two sets of injection components to be mixed, each set of injection component comprises a constant flow pump, an intermediate container and a one-way valve, the constant flow pumps, the intermediate containers and the one-way valves are connected in sequence, and the one-way valves are communicated with the phase mixer. In the work process, the media are injected into the intermediate containers, the constant flow pumps push the media in the intermediate containers to pass through the one-way valves, and the media are injected into the phase mixer. The flow of liquid pumped into the intermediate containers can be controlled by setting the flow proportion of the constant flow pumps of the injection components, therefore, the flow of the media injected into the phase mixer can be accurately controlled, and the flow control problem needing a quantitative injection test is solved. In addition, multi-medium multi-phase mixing injection can be directly carried out, the process of switching injection openings is eliminated, and the actual operation is extremely convenient and easy.

Description

technical field [0001] The invention relates to the field of petroleum geology, in particular to a medium mixed injection device and a medium mixed injection process. Background technique [0002] Oil and gas reservoir formation refers to the geological process in which oil and gas are generated in sedimentary basins, migrate through the transport layer, and finally fill into traps and accumulate to form oil and gas reservoirs. With the rapid development of the world's petroleum industry The development and tension of the world's energy situation is of great significance to the study of the formation process and distribution of oil and gas reservoirs. Generally, simulation studies are carried out through simulation tests of oil and gas reservoirs, that is, hypothetical media, such as liquids and gases, are used to replace real media injection zones. In rocks with voids, so as to conduct research. [0003] At present, the injection of gas medium in the simulation test of oil...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems in the prior art that the gas injection volume cannot be accurately controlled, the multiphase mixed injection operation is cumbersome, and the injection ratio of various media cannot be determined, the embodiment of the present invention provides a medium mixed injection device and a medium mixed injection process

Images