Device and method for accurately measuring reaction speed and kinetic parameters of deep high-temperature acid rock

A technology of kinetic parameters and acid rock reaction, which is applied in the field of carbonate reservoir measurement, can solve the problems of inaccurate measurement of reaction speed and kinetic parameters, and inaccurate control of measurement devices, so as to improve accuracy and avoid fragmentation effect of influence

Pending Publication Date: 2022-04-15
INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a measurement device and method for simulating the reaction between carbonatite reservoirs and acid liquid under high temperature and high pressure forma

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  • Device and method for accurately measuring reaction speed and kinetic parameters of deep high-temperature acid rock

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Embodiment Construction

[0039] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0040] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0041] Such as figure 1 As shown, the d...

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Abstract

The invention discloses a deep high-temperature acid rock reaction speed and kinetic parameter accurate determination device and method, and the device comprises a reaction kettle, a pressure control assembly for regulating and controlling the pressure in the reaction kettle, a temperature control assembly for regulating and controlling the temperature in the reaction kettle, a stirring assembly for stirring an acid solution in the reaction kettle, and a sampling tube. The device further comprises a rock sample box located in the reaction kettle, the rock sample box is provided with a cavity for containing a rock sample and a notch for acid liquor to enter, and an upper cover of the reaction kettle is connected with a lifting assembly for driving the rock sample box to ascend and descend. When the device is used for experimental determination, the rock sample box is driven to ascend and descend through the lifting assembly, after the temperature of a solution in the kettle rises to the experimental temperature, the rock sample box is lowered to the position below the liquid level for a contact reaction, and the starting time of the acid rock reaction and the subsequent interval sampling time can be accurately controlled.

Description

technical field [0001] The invention relates to the technical field of measuring carbonate rock reservoirs, in particular to a device and method for accurately measuring the reaction speed and kinetic parameters of deep high-temperature acid rocks. Background technique [0002] Carbonate reservoirs are the main reservoirs of deep geothermal energy. Large-scale development and utilization are of great significance for alleviating energy pressure and helping the realization of the "double carbon" goal. However, this type of reservoir is often very heterogeneous due to the development of natural fractures, and the development blocks and individual development wells are likely to be distributed in locations with poor porosity and permeability conditions, which cannot meet the needs of large-scale development, so reservoir reconstruction is required To improve productivity, acidizing and acid fracturing are one of the most important ways to improve carbonate reservoirs. [0003]...

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Application Information

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IPC IPC(8): G01N33/24G01N1/28
Inventor 岳高凡李晓媛甘浩男
Owner INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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