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Physical foam cementing concrete

A technology for cementing cement and foam, applied in ceramic products, household appliances, other household appliances, etc., can solve the problems of poor cement stone structure homogeneity, high cost of chemical foaming method, and low ratio of input and output, etc. Achieving the effect of high input-output ratio, excellent lightweight properties, and good environmental performance

Inactive Publication Date: 2009-04-29
CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the chemical foaming method is generally used to manufacture physical foam cementing cement in China. Because the chemical foaming method is affected by many factors such as temperature, pressure, foaming agent mixing uniformity, and foam volume uniformity, the cement stone structure formed is homogeneous. Poor degree and low compressive strength; and the cost of chemical foaming method is high, the ratio of input to output is low, and the economic benefit is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A physical foam cementing cement, including foam medium and cement slurry, the mixing ratio is 1:10-30, wherein, the components of the foam medium include foaming agent stock solution and clean water, and the mixing ratio is: 1:1: 10-30, as a further technical solution of the present invention, the foaming agent stock solution can be the foaming agent stock solution in the patent documents disclosed by Xi'an University of Technology, or the stock foaming agent stock solution commonly used in the market, and the foaming agent stock solution can be used for foaming. The agent stock solution is an organic protein material, for example, a foaming agent stock solution of the model FPL-1, which is a brown liquid, can be used. As a further technical solution of the present invention, the diameter of the foam medium is 0.2-1 mm.

Embodiment 2

[0023] The better technical solution of the present invention is: the weight mixing ratio of the foam medium and the cement slurry is preferably 1:15, and the density of the formed physical foam cementing cement is 1.15-1.60g / cm 3 .

Embodiment 3

[0025] A more optimal technical solution of the present invention is that the weight mixing ratio of the foam medium and the cement slurry can be 1:20.

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Abstract

The invention discloses a physical foam cementing cement comprising foam medias and cement slurries and the weight mixing ratio of the foam medias and the cement slurries is 1:10 to 30, wherein, the components of the foam medias comprise a foaming agent stock solution and clear water, and the weight mixing ratio of the foaming agent stock solution and the clear water is 1:10 to 30. The invention forms air chambers of the internal structure of cement stones, which are spherically, independently and uniformly distributed, and the physical foam cementing cement has the advantages of excellent light quality, small density difference, stable slurry and good environmental protection performance.

Description

technical field [0001] The invention relates to the technical field of physical foam cementing cement suitable for oil and natural gas exploration and development. Background technique [0002] In the process of oil and gas exploration and development, the research and application of cementing light cement slurry system is an important topic of technical research at home and abroad, and physical foam cementing cement is the focus of light cement slurry system research. [0003] At present, the chemical foaming method is widely used in China to manufacture physical foam cementing cement. Because the chemical foaming method is affected by many factors such as temperature, pressure, mixing uniformity of the foaming agent, and foam volume uniformity, the formed cement stone structure is homogeneous. The chemical foaming method has high cost, low input and output ratio, and poor economic benefits. SUMMARY OF THE INVENTION [0004] In order to solve the above technical problems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B38/00
Inventor 慕建军贾芝王大权窦虎清周兴春李宏峰王瑞玲
Owner CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD
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