Product description
This product is the product of weathered lignite after multi-step reaction such as sulfonation and grafting. The product has better temperature resistance and salt resistance than lignite products, and has the effect of preventing slump and water loss.
Table of Technical Index:
Description | Index |
Appearance | Black-brown free-flowing powder |
water content，% | ≤15 |
pH value (1% aqueous solution) | 8-11 |
Relative expansion rate，% | ≤60.0 |
Freshwater slurry | Medium pressure filter loss at room temperature，ml | ≤10.0 |
High temperature and high pressure filter loss，ml | ≤25.0 |
salt water slurry | Medium pressure filtration loss after high temperature aging，ml | ≤15.0 |
High temperature and high pressure filter loss，ml | ≤35.0 |
Scope of application:
This product is a temperature-resistant and salt-resistant drilling fluid fluid loss reducer. It has a certain anti-slump effect and is suitable for water-based drilling fluid systems in high temperature and deep wells.
Usage and dosage:
This product can be directly added to the drilling fluid through the mixing funnel. The first addition amount is 1-3% of the circulating mud amount.
Packaging and Storage:
The outer layer of the packaging bag of this product is a three-in-one woven bag, the inner layer is a plastic bag, and the inner and outer layers are bundled separately.
25kg net weight per bag. Store in a cool, dry and ventilated place, the shelf life is one year.
