JH-H42L大温差专用缓凝剂 Special Retarder For Large Temperature Difference
简介Introduction
大温差专用缓凝剂是一种专用于大温差井固井的缓凝剂产品，适用温度范围广，能实现50~200℃温差范围全覆盖。
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.
性能及优点Performance and advantages
l 在90℃-210℃（BHCT）井温下使用效果较好；
l 在深井、超深井中使用，能有效延长稠化时间，增加可泵时间。
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.
技术参数Technical Parameters
项目Item | 技术指标Technical Index |
初始稠度Initial Consistency/Bc | ≤30.0 |
稠化时间Thickening Time/(min)(150℃,111MPa) | 180-420可调节(80 ~ 420 adjustable) |
40Bc-100Bc所经过的时间The Time of 40Bc ~ 100Bc /(min) | ≤30.0 |
抗压强度Compressive Strength /(MPa)(180℃,21MPa,48h) | ≥14.0 |
包装Packaging
采用编织袋包装，根据用户需求按25kg/袋。
The product shall be packaged in woven bags, and sub-packed into 25kg/bag containers according to user requirements.
