Cationization and Application of Polysaccharide as High Inhibitive Drilling Fluid Additive

Jie Zhang; Qiang Zhang; Gang Chen; Jing Rui Zhao; Ren Jun Xu

doi:10.4028/www.scientific.net/AMM.488-489.795

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 488-489Cationization and Application of Polysaccharide as...

Cationization and Application of Polysaccharide as High Inhibitive Drilling Fluid Additive

Abstract:

To improve the solubility of a kind of plant polysaccharide derivative (SJ) in drilling fluid system, it was modified by cationization with GTA as cationic etherifying agent. The reaction conditions were investigated by orthogonal designed experiments, and the optimized conditions were as follows: the mass ratio of GTA to SJ is 0.6g/1g with pH 12 at the temperature of 90°C. The viscosity of cationic SJ (CSJ) drilling fluid system was greatly improved and the temperature had a slight effect on rheological properties below 100°C. The inhibitive property of CSJ is evaluated by clay-swelling tests and the mud ball immersing tests, which is obviously stronger than SJ and even more effective than 4%wt KCl solution.

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Periodical:

Applied Mechanics and Materials (Volumes 488-489)

Pages:

795-798

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.488-489.795

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Online since:

January 2014

Authors:

Jie Zhang*, Qiang Zhang, Gang Chen, Jing Rui Zhao, Ren Jun Xu

Keywords:

Cationization, Modification, Plant Polysaccharide, Viscosity

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* - Corresponding Author

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