Matching Plugging Technology for GSY High-Water Swelling Diagenetic Powder

Hong Guo; Shi En Liu

doi:10.4028/www.scientific.net/AMR.926-930.150

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 926-930Matching Plugging Technology for GSY High-Water...

Matching Plugging Technology for GSY High-Water Swelling Diagenetic Powder

Abstract:

GSY high-water swelling diagenetic powder has properties of good suspension, high flowability, easy to pump, and adjustable initial setting time. It has advantages of high expansion rate and easy for plug drilling comparing to Class G oil well cement through property test. Principles of selecting well for GSY high-water swelling diagenetic powder plugging technology are analyzed in this paper, and aiming at the disadvantages of sealing leakage section above cement top such as the slurry retention quantity is too little to form effective clay plug, and the first time sealing success rate is relatively low, research and application for the multi-slug plugging technology and pre diaphragm, post sealing plugging technology is developed, and good plugging effect is achieved in oilfield.

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Periodical:

Advanced Materials Research (Volumes 926-930)

Pages:

150-153

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.926-930.150

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Online since:

May 2014

Authors:

Hong Guo*, Shi En Liu

Keywords:

GSY High-Water Swelling Diagenetic Powder, Hydration, Leakage Section, Plugging Agent

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References

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