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A kind of polystyrene ethyl acrylate and its synthesis method and application

A technology of polystyrene ethyl acrylate and ethyl acrylate, which is applied in construction and other fields, can solve the problem that there is no effective monitoring method for oil production, and achieve the effect of less consumption

Active Publication Date: 2018-01-05
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of fracturing stages and the differences in physical properties in long horizontal sections, the fluid drainage after each stage of fracturing is of great significance for the evaluation of fracturing effects and the deployment of well locations in the next step, but for each stage after staged fracturing There is no effective monitoring method for oil production

Method used

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  • A kind of polystyrene ethyl acrylate and its synthesis method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Dissolve 0.4g of vinyl bisstearamide in 50g of hot water, raise the temperature to 65°C for 30 minutes, slowly add a mixed solution of 45g of ethyl acrylate, 5g of styrene and 0.6g of benzoyl peroxide dropwise, and the addition is complete After reacting for 8 hours, cool down to room temperature and discharge.

Embodiment 2

[0032] Dissolve 0.5g of vinyl bisstearamide in 55g of hot water, raise the temperature to 65°C for 30min, slowly add a mixed solution of 40g of ethyl acrylate, 4.5g of styrene and 0.5g of benzoyl peroxide, dropwise After completion, react for 8 hours, cool down to room temperature and discharge.

Embodiment 3

[0034] Dissolve 0.6g of vinyl bisstearamide in 60g of hot water, raise the temperature to 65°C for 30 minutes, slowly add a mixed solution of 35g of ethyl acrylate, 4g of styrene and 0.4g of benzoyl peroxide dropwise, and the addition is complete After reacting for 8 hours, cool down to room temperature and discharge.

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Abstract

The invention provides a polystyrene ethyl acrylate and its synthesis method and application. Polystyrene ethyl acrylate of the present invention is prepared by the method comprising the following steps: taking ethyl acrylate and styrene as reaction monomers, in the presence of dispersant vinylbisstearamide and initiator benzoyl peroxide, Suspension polymerization was carried out with water as the dispersion medium. The polystyrene ethyl acrylate of the present invention has the following advantages: the test result shows that the polystyrene ethyl acrylate produced by the synthetic method of the present invention can be completely dissolved in crude oil, and its concentration can be accurately measured by a gas chromatography spectrometer, and The amount is small, which meets the needs of horizontal well oil production profile monitoring.

Description

technical field [0001] The invention relates to the field of petroleum exploration and development, in particular to a polystyrene ethyl acrylate and its synthesis method and application. Background technique [0002] At present, in the process of oilfield exploration and development, horizontal wells are mostly used for exploration wells, and multi-layer and multi-stage fracturing is the preferred process for formation stimulation. However, in the process of layer selection, there is no pertinence, and layers are selected based on experience. Therefore, It is particularly important for data collection and analysis of fracturing effects after fracturing. In the prior art, the development of fractures after fracturing can be monitored and analyzed by microseismic method, potential method, etc., and whether there is industrial oil flow in the reservoir can be known through the flowback situation, but for the oil production of each stage after staged fracturing There are no ef...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/18C08F212/08E21B47/11
Inventor 郑猛张洪君王浩闫峰解宇宁刘强管紫君戴倩倩
Owner PETROCHINA CO LTD
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