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Gel manufacturing method

A manufacturing method and gel technology, applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems of short plugging validity period, limited use range, low gel strength, etc., and achieve wide use range and long validity period , the effect of stable chemical properties

Active Publication Date: 2012-12-12
朱睿
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The present invention provides a gel manufacturing method, aiming to solve the problem that the gel formed by the water blocking agent provided by the prior art generally has low strength and poor temperature resistance, so the effective period of plugging is short and the scope of use is limited.

Method used

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  • Gel manufacturing method

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0019] figure 1 The implementation process of the gel manufacturing method provided by the embodiment of the present invention is shown.

[0020] The method includes the following steps:

[0021] In step S101, acrylamide, propanesulfonic acid, and dimethyl diallyl ammonium chloride are uniformly mixed;

[0022] In step S102, adding caustic soda, modified starch and composite reinforcing agent to the mixture composed of acrylamide, propanesulfonic acid and dimethyl diallyl ammonium chloride;

[0023] In step S103, preliminarily polymerize at 60°C for three hours, then raise the temperature to 80°C an...

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Abstract

The invention belongs to the technical field of chemical production and provides a gel manufacturing method. The manufactured gel has high strength, antiscour capability and absorption capacity, significant anti-swelling and sand-controlling effects, good temperature resistance, oil-water selectivity and abrasion resistance, has a certain water controlling capacity, has relatively low loss of permeability, has a function of plugging a high-permeable layer through absorption of sand and formed sand grain cluster, has stable chemical performance, is convenient for synthetic production, has a long plugging valid period, is widely applied, has strong practicality, and has strong popularization and application values. In addition, two gels manufactured by the method both have good salt resistance. Through adjusting ratio of raw materials, performance indexes can also be adjusted.

Description

technical field [0001] The invention belongs to the technical field of chemical production, and in particular relates to a gel manufacturing method. Background technique [0002] The molecular chain of the multi-component copolymer selective water blocking agent has anion, cation and non-ionic groups, which has strong adsorption and hydration ability in the formation, good selectivity, expands when it meets water, shrinks when it meets oil, and can be used as oil well plugging Water agent and water well profile control agent. [0003] The gel formed by this kind of water blocking agent generally has low strength and poor temperature resistance, so the effective period of plugging is short and the scope of use is limited. Contents of the invention [0004] The invention provides a gel manufacturing method, aiming to solve the problems that the gel formed by the water blocking agent provided by the prior art generally has low strength and poor temperature resistance, so the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F226/02C08F220/56C08F2/44C08L3/00C09K8/588C09K8/44
Inventor 朱睿王倩倩王雅健
Owner 朱睿
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