Research on Cementing Technology of Low Permeability and Pressure
Layers in Daniudi Gas Field

doi:10.3863/j.issn.1674–5086.2013.06.019

Abstract

Abstract:

Cementing quality is often poor in Daniudi Gas Field in the beginning of exploration，so we carried on the analysis
of the engineering geology，drilling fluid and mud，and so on，and got the main factors which influence on the cementing
quality with the method of experiment comparison. Measures were taken to improve the bonding quality through optimization
of cementing method，mud performance and cement slurry. Based on the grain composition theory，cement additives were
changed to improve the cement performance. By enhancing the gas migration control of cement slurry，excellent performance
of slurry was achieved. Cement slurry test procedure were rearranged to eliminate the influence of mixing energy. To improve
the displacement，the drilling fluid was optimized to get a stable and regular borehole. Cementing operation was developed and
excellent bonding quality achieved.

Key words: low permeability and pressure, mix energy, grain composition, gas migration control, bonding quality

Song Jian. Research on Cementing Technology of Low Permeability and Pressure
Layers in Daniudi Gas Field[J]. 西南石油大学学报(自然科学版), DOI: 10.3863/j.issn.1674–5086.2013.06.019.

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