Variable-temperature variable-pressure curing device for well cementing slurry test mold

A technology for cementing cement slurry and mold testing, which is applied in the preparation of test samples, ceramic molding machines, manufacturing tools, etc., can solve the problems of high cost, complicated operation process, complicated structure, etc., and achieves low production cost and measurement results. Accurate and easy-to-use effects

Inactive Publication Date: 2016-10-26
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a variable temperature and variable pressure maintenance device for cement slurry test mold, which effectively fills the current tec

Method used

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  • Variable-temperature variable-pressure curing device for well cementing slurry test mold

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Embodiment

[0034] Example: such as figure 1 As shown, the variable temperature and variable pressure curing device of the cement slurry trial mold in this embodiment includes a curing box 1, a temperature control circulation system 2 and a pressurization system 3;

[0035] The above-mentioned curing box 1 is installed on the ground through the support base 4, and the inner bottom of the above-mentioned curing box 1 is equipped with a mold trial bracket 5;

[0036] The side wall of the above-mentioned curing box 1 is surrounded by a temperature-controlled circulating bath cover 6. A closed cavity is formed between the above-mentioned temperature-controlled circulating bath cover 6 and the side wall of the curing box 1. The above-mentioned temperature-controlled circulating bath cover 6 is respectively A water inlet and a water outlet connected to the above-mentioned cavity are provided, and the above-mentioned water inlet and water outlet are respectively connected to the temperature cont...

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Abstract

The invention relates to a variable-temperature variable-pressure curing device for a well cementing slurry test mold. The variable-temperature variable-pressure curing device comprises a curing box, a temperature-control circulating system and a pressurizing system. The curing box is mounted on the ground through a supporting seat, and a test mold support is arranged at the inner bottom of the curing box. A temperature-control circulating bath cover is arranged outside the side walls of the curing box in a wrapping mode. A sealed cavity is formed between the temperature-control circulating bath cover and the side walls of the curing box. The temperature-control circulating bath cover is provided with a water inlet and a water outlet, and the water inlet and the water outlet communicate with the cavity and are connected with the temperature-control circulating system through pipelines correspondingly. An air inlet is formed in the top of the curing box and connected with the pressurizing system through a pipeline. The variable-temperature variable-pressure curing device has the advantages of being simple in structure, convenient to use and operate, low in production cost, capable of fully simulating the actual underground temperature, and capable of fully simulating the actual underground pressure condition by pressurizing the interior of the curing box through nitrogen, and enabling the cement slurry curing environment to approximate to the actual environment so that test mold performance measuring results can be more accurate.

Description

technical field [0001] The invention relates to a well cementing slurry test mold maintenance technology, in particular to a variable temperature and pressure change maintenance device for a cement slurry test mold. Background technique [0002] As a clean new energy source with huge resource potential, natural gas hydrate is widely distributed in the low-temperature porous media of terrestrial permafrost zones and continental margin seabed strata. Due to its huge reserves, it plays a pivotal role in alleviating the increasingly serious global energy crisis. , has received more and more national attention. On December 17, 2013, the Ministry of Land and Resources of China clearly announced that in the future, it will comprehensively organize and implement the exploration and evaluation of natural gas hydrate resources in my country's sea and land areas in accordance with national planning and deployment, and strive to realize the development and utilization of natural gas hyd...

Claims

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Application Information

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IPC IPC(8): B28B11/24G01N1/28
CPCG01N1/28B28B11/245B28B11/246
Inventor 刘天乐蒋国盛张萍李丽霞左国勇郑明明解经宇孙嘉鑫刘志超王韧彭力孙慧翠
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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