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Polyacrylonitrile ammonium salt for drilling fluid
Performance and characteristics:
This product is light yellow powder. Contains and mdash; COOH and mdash; COONH4 and mdash; CONH2 and mdash; and other groups of radicals, molecular weight between 10000-50000, has a certain ability to resist moderate and salt tolerance. Because of the mosaic effect of NH4+ in shale, it has good anti collapse effect.
Technical indicators:
Project | Indicators | ||
Fresh water drilling fluid | Brine drilling fluid | ||
Appearance | Free flowing powders and particles | ||
Screening allowance (2mm),% | and le;5.0 | ||
Drying loss,% | and le;10.0 | ||
Ammonium content,% | 7-9 | ||
Burn residue,% | and le;2.0 | ||
Base pulp | Filter loss, ML | 25 and plusmn;2.0 | 60 and plusmn;3.0 |
Apparent viscosity, mpa.s | 6~8 | 5~7 | |
Polyacrylonitrile for drilling fluid | Filter loss, ML | and le;14 | and le;30.0 |
Apparent viscosity, mpa.s | and le;8.0 | and le;8.0 | |
Usage method:
This product can be used directly in all kinds of water based drilling fluid system. It can be used as filtrate loss reducing agent and anti collapse agent. It can be used in co - use with polyacrylamide and can be used in combination with many kinds of treatment agents. Generally, the amount of 0.5-1.5% is added.
Packaging and storage:
This product is packed in three in one bag, lined with polyethylene film bag, net weight of not less than 25 kg per bag, stored in a cool, dry, ventilated place.
Security matters:
Avoid contact with your eyes, or rinse with plenty of water. Refer to safety data sheet for processing and dangerous data (MSDS).
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