西南石油大学学报(自然科学版) ›› 2004, Vol. 26 ›› Issue (3): 20-24.DOI: 10.3863/j.issn.1000-2634.2004.03.006
• 石油与天然气工程 • 上一篇 下一篇
王平全1 李晓红2
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通讯作者:
WANG Ping-quan1 LI Xiao-hong2.
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摘要： 考察了氯化钾和硅酸钾对钻井液流变性和失水造壁性的影响规律。建立起硅酸钾钻井液体系配方,即:4%土浆+3%硅酸钾+0.5%JT888-Ⅲ+3%FDJ-1+2%QS-2+2TY540+3%SMP-Ⅱ。综合实验结果表明,该配方配制的硅酸钾钻井液体系具有优良的流变性、失水造壁性和抑制性,优于相同加量下的氯化钾钻井液体系。同时,该体系还具有良好的热稳定性和抗污染能力(5% NaCl、0.7% CaSO4),抗温能力强(达120℃)。
关键词: 硅酸钾钻井液, 抑制性, 热稳定性, 抗污染能力, 抗温能力
Abstract: The influence of potassium chloride and potassium silicate on the rheology and filtration of drilling fluids has been studied.The formulation of the potassium silicate mud system has been established, that is 4% bentonite mud +3% potassium silicate+0.5% JT888-Ⅲ+3% FDJ-1 + 2% QS-2 + 2% TY540 +3% SMP-Ⅱ. Results indicate that the potassium silicate mud system has good properties on rheology, filtration and inhibi-tion, and is better than the potassium chloride mud system at the same dosage. Meanwhile, it has good thermal stability (120℃) and anti-contaminative ability(5% NaCl, 0.7% CaSO4).
Key words: potassium silicate mud, inhibition, thermal stability, anti-contaminative ability
中图分类号:
TE254.1
王平全 李晓红. 硅酸钾钻井液体系的实验研究 [J]. 西南石油大学学报(自然科学版), 2004, 26(3): 20-24.
WANG Ping-quan LI Xiao-hong.. EXPERIMENTAL STUDY OF POTASSIUM SILICATE DRILLING FLUID SYSTEM[J]. 西南石油大学学报(自然科学版), 2004, 26(3): 20-24.
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