
Image illustrates product and packing form; actual appearance follows the delivered batch.
Shale Inhibitor
Polyamine Shale Inhibitor
WAN-I
Suppresses hydration of reactive shales in water-sensitive formations.
Product family
Drilling Chemicals
Packaging
200 L steel drum / IBC, adjustable per order
Product overview
A low molecular weight polyamine inhibitor that adsorbs on clay surfaces and suppresses hydration and dispersion, commonly used in long open-hole sections through water-sensitive shale.
Specifications, dosage and compatibility must be confirmed against the field system. Contact us for the technical data sheet of the relevant batch.
Technical specifications
Typical specification items
Values follow each batch certificate of analysis. Items not listed are confirmed with our team before ordering.
| Parameter | Typical value | Unit / method |
|---|---|---|
| Appearance | Per batch COA | Visual |
| Active content | Per batch COA | Gravimetric |
| pH value | Per batch COA | As supplied |
| Density (20°C) | Per batch COA | Hydrometer |
| Flash point | Per batch COA | Closed cup |
| Compatibility | Per batch COA | Field test |
Application and dosage
Field conditions
A low molecular weight polyamine inhibitor that adsorbs on clay surfaces and suppresses hydration and dispersion, commonly used in long open-hole sections through water-sensitive shale. Recommended dosage is set through system formulation tests or field bottle tests, and corrected for temperature, salinity and existing additives.
Packaging and logistics
Packaging
200 L steel drum / IBC, adjustable per order
Storage
Cool, ventilated warehouse; avoid direct sun and freezing
Shelf life
12 months from date of production
Transport
General chemical transport, subject to transport appraisal
Related products
Same category and supporting additives

WAN-II
Polyglycol Shale Inhibitor
Uses cloud point behaviour to seal micro-fractures, with additional lubricity.

SMP
Sulfomethylated Phenolic Resin
High-temperature fluid loss additive for deep water-based drilling fluids.

SPNH
Lignite Resin
Temperature and salt tolerant fluid loss additive that improves filter cake quality.
INQUIRY
Inquire about Polyamine Shale Inhibitor
Tell us the target well conditions and destination port, and we will reply with applicable models, packing options and a document list.
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