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Cement retarder

A technology of cement retarder and weight, applied in the field of cement retarder, can solve the problems of high manufacturing cost, the use effect is greatly affected by temperature, etc., and achieve the effect of low manufacturing cost

Inactive Publication Date: 2014-04-02
QINGDAO KERUN PLASTIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cement retarder is one of the cement additives, usually used in the cement slurry used in oil and gas well cementing operations, the production cost of cement retarder in the prior art is relatively high, and the use effect is greatly affected by temperature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1, the present embodiment discloses a cement retarder, comprising the following components by weight: 1 gram of hydroxyethylidene diphosphoric acid, 3 grams of urea, 15 grams of phosphorus slag powder, 2 grams of tartaric acid, 7 grams of sodium sulfate, 20 grams of water.

[0010] The cement retarder disclosed in this embodiment turns waste into treasure, uses Class II general industrial solid waste phosphorous slag powder as the main component, not only has low manufacturing cost, but also has a use effect that is not affected by ambient temperature.

Embodiment 2

[0011] Embodiment 2, the present embodiment discloses a cement retarder, comprising the following components by weight: 5 grams of hydroxyethylidene diphosphoric acid, 8 grams of urea, 35 grams of phosphorus slag powder, 6 grams of tartaric acid, 10 grams of sodium sulfate, 30 grams of water.

[0012] The cement retarder disclosed in this embodiment turns waste into treasure, uses Class II general industrial solid waste phosphorous slag powder as the main component, not only has low manufacturing cost, but also has a use effect that is not affected by ambient temperature.

Embodiment 3

[0013] Embodiment 3, the present embodiment discloses a cement retarder, comprising the following components by weight: 3 grams of hydroxyethylidene diphosphoric acid, 6 grams of urea, 20 grams of phosphorus slag powder, 5 grams of tartaric acid, 9 grams of sodium sulfate, 25 grams of water.

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PUM

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Abstract

The invention discloses a cement retarder which comprises the following components by weight: 1-5 parts of 1-hydroxyethylidene-1,1-diphosphonic acid, 3-8 parts of urea, 15-35 parts of a phosphorus slag powder, 2-6 parts of tartaric acid, 7-10 parts of sodium sulfate, and 20-30 parts of water. The cement retarder disclosed by the invention allows waste to be turned into treasures, adopts the II-class general industrial solid waste phosphorus slag powder as the main ingredient, not only has low manufacturing cost, but also allows the using effect to be not affected by the environmental temperature.

Description

technical field [0001] The invention relates to a cement retarder. Background technique [0002] Cement retarder is one of the cement additives, usually used in the cement slurry used in oil and gas well cementing operations, the production cost of cement retarder in the prior art is relatively high, and the use effect is greatly affected by temperature . Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cement retarder whose manufacturing cost is low and whose use effect is not affected by temperature. [0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: [0005] A cement retarder, comprising the following components by weight: 1-5 parts of hydroxyethylidene diphosphoric acid, 3-8 parts of urea, 15-35 parts of phosphorus slag powder, 2-6 parts of tartaric acid, and 7-10 parts of sodium sulfate , 20-30 parts of water. [0006] The beneficial ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/12C04B22/14C04B103/22
Inventor 王元会
Owner QINGDAO KERUN PLASTIC MACHINERY