JH-H42L大溫差專用緩凝劑 Special Retarder For Large Temperature Difference
簡介Introduction
大溫差專用緩凝劑是一種專用于大溫差井固井的緩凝劑產品，適用溫度范圍廣，能實現50~200℃溫差范圍全覆蓋。
The special retarder for large temperature difference is a kind of retarder product specially used for cementing in large temperature difference wells. It is suitable for a wide temperature range and can achieve a full coverage of 50 ~ 200℃temperature difference range.
性能及優點Performance and advantages
l 在90℃-210℃（BHCT）井溫下使用效果較好；
l 在深井、超深井中使用，能有效延長稠化時間，增加可泵時間。
l It has good application effect at 90℃ ~ 210℃ ( BHCT ) well temperature;
l It can effectively prolong the thickening time and increase the pumpable time when used in deep and ultra-deep wells.
技術參數Technical Parameters
項目Item | 技術指標Technical Index |
初始稠度Initial Consistency/Bc | ≤30.0 |
稠化時間Thickening Time/(min)(150℃,111MPa) | 180-420可調節(80 ~ 420 adjustable) |
40Bc-100Bc所經過的時間The Time of 40Bc ~ 100Bc /(min) | ≤30.0 |
抗壓強度Compressive Strength /(MPa)(180℃,21MPa,48h) | ≥14.0 |
包裝Packaging
采用編織袋包裝，根據用戶需求按25kg/袋。
The product shall be packaged in woven bags, and sub-packed into 25kg/bag containers according to user requirements.
