Product Introduction
Sulfonated Phenolic Resin (SMP) is a high-performance water-based drilling fluid additive primarily used in medium-to-high-temperature drilling fluid systems to control fluid loss, stabilize rheological properties, and improve overall mud performance. The product exhibits excellent resistance to high temperatures, salt, calcium, and contaminants, maintaining stable performance in high-temperature/high-pressure (HTHP) wells, deep wells, ultra-deep wells, and complex geological formations.
SMP effectively reduces drilling fluid loss and filtrate invasion into the formation, forms a dense filter cake to stabilize the wellbore, and enhances rheological stability under high-temperature conditions. It is highly compatible with other additives—such as PAC, PHPA, modified starch, and sulfonated lignite—making it suitable for a wide range of water-based drilling fluid systems.
Manufactured by Jinxiang Chemical using a mature production process, this SMP product withstands temperatures up to 160°C and offers consistent quality, meeting the technical requirements of both domestic and international oilfields and drilling service companies.
Product Features
Excellent high-temperature stability
Effectively reduces drilling fluid filtration loss
Improves high-temperature rheological properties
Good resistance to salt and calcium
Strong resistance to contamination
Compatible with various drilling fluid additives
Facilitates the formation of a dense filter cake
Suitable for conventional, medium-depth, and deep wells
Application Areas
Water-based drilling fluid systems
Deep and ultra-deep well drilling
Shale gas drilling
Directional and horizontal wells
Oil and gas well drilling
Product Advantages
Stable high-temperature performance (up to 160°C)
Efficient fluid loss control; enhances drilling fluid stability
Consistent product quality; suitable for complex well conditions
Direct supply from the manufacturer; reliable availability
Technical support for drilling fluids provided
Meets international oilfield application requirements
Packaging and Storage
Packaging: 25 kg kraft paper composite bags, 1,000 kg bulk bags; OEM packaging available.
Storage:Store in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Keep the product tightly sealed to prevent moisture absorption that could affect performance.
FAQ
What is the primary function of SMP?
SMP is primarily used in water-based drilling fluid systems; it reduces fluid loss, improves high-temperature rheological properties, and enhances the stability of the drilling fluid under high-temperature conditions.
For which drilling environments is SMP suitable?
It is suitable for drilling operations involving high-temperature, high-pressure (HTHP) wells, deep wells, ultra-deep wells, shale gas wells, and complex formations.
With which products can SMP be used?
It can be used in conjunction with drilling fluid additives such as PAC, PHPA, CMC, modified starch, and sulfonated lignite to further enhance the overall performance of the drilling fluid.
Is customization of specifications available?
Yes. Different grades and packaging options can be provided based on the customer’s drilling fluid formulations and technical requirements.
Are samples and technical support available?
Yes. We provide samples for testing and services from professional technical personnel tailored to specific on-site conditions.



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