This product is a gel polymer with strong water absorption and expansion, and has the characteristics of delayed expansion, which can ensure that the granular material has enough time to enter the downhole leakage layer and continue to expand. In addition, by introducing temperature and salt resistant groups and chemical coupling agents into the molecular chain, the polymer is connected to the temperature resistant material as a whole, thus making it have good strength, toughness, and thermal stability under high temperature and high salt conditions. The particle size can be adjusted according to on-site needs, suitable for sealing large and small cracks and melt holes under various conditions. This product has good compatibility with various water-based drilling fluids, which can achieve good plugging effect and effectively improve the pressure bearing capacity of the formation. The dosage depends on the specific situation.
| Item | Index | |||
| Coarse | Medium | Fine | ||
| Appearance | Solid particle | |||
| Loss by drying,% | ≤15.0 | |||
| Particle size content | ≥3.35mm | ≥90.0 | ||
| 1.00mm~ 3.35mm | ≥90.0 | |||
| ≤0.90mm | ≥90.0 | |||
| Expansion times | ≥3.0 | ≥3.0 | ||
| Sealed filtration loss(30min), mL | ≤35.0 | |||
Performance Characteristics
1. High expansion strength and strong sealing ability;
2. Has good sealing effect, suitable for crack and cave type leakage;
3. A sealing solid with high bonding strength, good toughness, and long effective period can be formed in the sealing layer;
4. Good temperature and salt resistance, suitable for use in deep and ultra deep wells;
5. Good compatibility with processing agents; 6.Non toxic and environmentally friendly.
Packaging and Storage
This product is packaged in a three in one bag, lined with a thin film bag, with a net weight of 25kg per bag; Store in a cool, dry, and well ventilated place.
Safety Attentions
Avoid contact with eyes, skin, and clothing, otherwise rinse with plenty of water. Please refer to the Safety Data Sheet (MSDS) for handling methods and hazardous data.
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