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Glucose high-efficiency oil-displacing agent and oil displacement method

An oil-displacing method and oil-displacing agent technology, which are applied to chemical instruments and methods, drilling compositions, etc., can solve problems such as poor oil-displacing characteristics, and achieve the effects of ensuring the use of oil-displacing and improving oil yield.

Inactive Publication Date: 2019-04-19
沈阳慧超科技有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Existing oil displacement agents usually only pursue ultra-low interfacial tension, and the oil displacement characteristics are not good

Method used

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Embodiment Construction

[0007] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them.

[0008] A glucose high-efficiency oil-displacing agent and an oil-displacing method. The oil-displacing agent is injected into the oil-displacing agent. The oil-displacing agent is made of the following raw materials in parts by weight: 30-60 parts of polyalkylbenzene sulfonate sodium, glucoside 15-30 parts, 20-30 parts of straight chain fatty acid alkanolamide sulfate ester, 5-15 parts of alkali, 5-10 parts of glyoxal, 10-30 parts of alkyl glycoside, 10-15 parts of tetrakis hydroxymethyl phosphorus sulfate 5-10 parts of chelating agent, 5-10 parts of nano-silica sol and 5-10 parts of lauryl amidopropyl betaine.

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Abstract

The invention discloses a glucose high-efficiency oil-displacing agent and an oil displacement method. The oil-displacing agent is driven into an oil-displacing zone. The oil-displacing agent is prepared from the following raw materials (by weight): 30-60 parts of sodium polyalkylbenzene sulfonate, 15-30 parts of glucoside, 20-30 parts of straight-chain fatty acid alkanolamide sulfate salt, 5-15 parts of alkali, 5-10 parts of glyoxal, 10-30 parts of alkyl glycoside, 10-15 parts of Tetrakisphosphonium sulfate, 5-10 parts of a chelating agent, 5-10 parts of nano-silica sol and 5-10 parts of lauramidopropyl betaine. The invention has the beneficial effect as follows: the oil-displacing agent of the invention can improve the oil yield of tertiary recovery, has stability, and can ensure oil displacement of the entire oil zone.

Description

technical field [0001] The invention relates to the technical field of oil collection, in particular to a glucose high-efficiency oil displacement agent and an oil displacement method. Background technique [0002] At present, it is very difficult to recover refined oil in Liaohe Oilfield. Secondary oil recovery recovers about 20% of the crude oil in the ground. Carry out tertiary oil recovery, that is, chemical flooding. The existing oil displacement agents usually only pursue ultra-low interfacial tension, and the oil displacement properties are not good. Contents of the invention [0003] The object of the present invention is to solve the shortcoming existing in the prior art, and propose a kind of high-efficiency glucose oil displacement agent and oil displacement method. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A glucose high-efficiency oil-displacing agent and an oil-displacing method...

Claims

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Application Information

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IPC IPC(8): C09K8/584C09K8/60
CPCC09K8/584C09K8/602C09K2208/10
Inventor 潘洪吉
Owner 沈阳慧超科技有限公司
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