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Release time：2024-07-25 09:38:28 Author：aoze energy
I. Properties and specificity
As the newest heat-resistant and salt-resistant polymer water-reducing agent, this product can meet the needs of deep, ultra-deep and horizontal well drilling market. Its ability against temperature is up to 220℃, and its ability against salt is up to saturation. It has good API and HTHP water-reducing effect and low viscosity effect, and obviously improves the inhibition of drilling mud, and improves the quality of clay crust. The recommended dosage is 0.3%-1.0%. This product is harmless and environmentally friendly through the inspection and analysis of the main environmental control station of SNPS. In the application of heat-resistant and salt-resistant drilling mud systems with drilling depth from 2000m to 8000m, this product has good inhibition and water-reduction effect, as well as stability against temperature, salt and clay. Typical application examples:
1.Shunnan 6 well, Xibei Petroleum Administration (depth 7525m, bottom hole temperature 190℃, density 2.1 g/cm3)
2.Luntan 1, Talimu (depth 8882m, bottom hole temperature 175℃, density 1.55 g/cm3)
3.Manjia 4, Talimu (depth 7050m, bottom hole temperature 200℃, density 2.2 g/cm3)
II. Technical characteristics
Product Specifications《Drilling Mud Water Release Agent - Copolymer with Amine Group AP220》
| Properties | Indicators | |
| Appearance | Pale yellow or white powder | |
| Moisture, % | ≤15.0 | |
| Fineness (Residue after sieving 0.9 mm), % | ≤10.0 | |
| Apparent viscosity of 1% aqueous solution，mPa-s | ≤10.0 | |
| Saturated saline solution +2.0% of the sample | API fluid loss reduction rate (normal temperature) ，% | ≥80.0 |
| API fluid loss reduction rate（180℃,16h），% | ≥75.0 | |
(Drilling mud+2.0% of sample) API（220℃,16h），% fluid loss reduction rate | ≥65.0 | |