请帮忙翻译一下，采用楼层设最佳应助，答谢30盖德币。 High Temperature Oil Based Viscosifier Ø Improve thermal stability of organophilic clay Ø Flatten viscosity with respect to increasing temperatures Ø Maintain present positive attributes associated with organophilic clay Ø Define the mechanism associated with thermal breakdown of organoclays Ø Understand and Improve ü Quat and Cation competition ü Calcium displacement of quat ü Rate is temperature dependent ü Molecular design of quat to inhibit the intrusion of calcium ü Maintain solubility and reactivity ü Cost performance ü Thermally stable through 450oF ü Flatter viscosity at high temperature ü Maintains dispersibility ü Maintains positive attributes associated with organoclays Ø Standard 12 ppg Invert Emulsion Drilling Fluid (IAO Based) Ø Dynamic heat aging (hot rolling) Ø Fann 50 for rheological measurements at elevated temperatures Ø Lime consumption Ø Critical to maintain excess lime • IAO Base Oil - 186 cc • 30% Calcium Chloride Brine - 75 cc • Primary Emulsifier - 8 ppb • TOFA - 4 ppb • Barite - 215 ppb • Lime - 8 ppb • an additional 4 ppb lime was added after each hot roll cycle from 300 F and above ü Novel high temperature clay based oil mud viscosifier ü Stable through 450oF for an excess of 30 days ü Flat rheology with increasing temperatures ü Maintains positive attributes presently associated with organoclays ü Successful at the Field Level 显示全部