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Release time：2024-07-25 09:40:57 Author：奥泽源
I.Properties and specificity
As a heat-resistant and salt-resistant water-reducing agent, this product is suitable for drilling mud of different systems and has good compatibility. Through the inspection and analysis of the main environmental control station of SNPS, this product is harmless and environmentally friendly. Specific properties：
(1)Good heat resistant property against temperature up to 180℃.
(2) Good salt resistance property up to 15%.
(3) Good water-reduction effect, in the drilling mud based on fresh water and salt water
can significantly reduce API water-release and HTHP water-release.
II. Technical indicators
Technical parameters of the product "Water-reducing agent for drilling mud - organic silicon lignite HY-2"
| Properties | Indicators | ||
| Appearance | Brownish-black or grey powder | ||
| Moisture，% | ≤15.0 | ||
| pH | ≤10.0 | ||
| Drilling Mud Properties | Drilling mud based on fresh water+3.0% of sample （180℃，16h） | API water yield reduction rate，% | ≥70.0 |
| HTHP water yield（150℃），ml | ≤30.0 | ||
| 15% brine-based suspension + 5% of sample （180℃，16h） | API water yield reduction rate，% | ≥70.0 | |
| HTHP water yield（150℃），ml | ≤35.0 | ||