DOC-HIWI LT is the low temperature system of DOC-HIWI system. It is composed of selected iron ore powder as weighting agent, fluid loss additive, low/medium temperature retarder, stabilizer and anti-channeling agent as auxiliary additives. DOC-HIWI LT can be used in low/medium temperature and high pressure well and abnormal pressure well cementing.
System Advantages
1、Three sizes particles gradation technology.
2、Compactness and low permeability of cement paste.
3、Good settlement stability of cement slurry.
4、Has certain ability of fluid loss controlling and anti-channeling.
Basic Performance
1、Density range: 2.1~2.6g/cm3.
2、Applicable temperature: 40℃~110℃.
3、Low water loss of cement slurry.
4、Zero free water.
5、Strength develops well.
6、The performance of cement slurry is excellent, and the thickening time can be adjusted.
7、Good flowing performance.