For drilling fluid companies, selecting a reliable emulsifier package is an important part of maintaining a stable oil-based mud (OBM) system.
Unitech Chemicals Kaiping Ltd manufactures UTMUL-P Primary Emulsifier and UTMUL-S Secondary Emulsifier for oil-based drilling fluids. The two products are designed to work together to support emulsification performance, electrical stability, rheological properties and HTHP fluid-loss control under demanding operating conditions.
Our emulsifiers are suitable for diesel oil-based, white oil-based and synthetic-based drilling fluid systems, with laboratory evaluations conducted at temperatures up to 177°C / 350°F.
UTMUL-P is a primary emulsifier developed for oil-based drilling fluids.
It provides strong emulsifying performance and helps improve the thermal stability of invert emulsion drilling fluids while supporting low HTHP fluid loss.
Testing across different base oils, mud densities, oil-water ratios and hot-rolling temperatures has demonstrated that UTMUL-P can help maintain desirable rheological properties, high electrical stability and controlled HTHP fluid loss at operating temperatures up to 177°C / 350°F.
· Primary emulsifier for oil-based mud
· Strong emulsifying performance
· Supports thermal stability
· Helps maintain high electrical stability
· Helps control HTHP fluid loss
· Suitable for diesel, white oil and synthetic-base systems
· Oil-soluble and water-insoluble
· Low toxicity
· Non-fluorescent
· Compatible with other oil-based drilling fluid additives
UTMUL-S is a secondary emulsifier designed for use together with UTMUL-P.
When used as part of an oil-based mud emulsifier package, UTMUL-S helps strengthen emulsification performance, improve electrical stability and support low HTHP fluid loss.
Like UTMUL-P, the product has been evaluated across different oil-based mud formulations and operating conditions up to 177°C / 350°F.
· Secondary emulsifier for oil-based mud
· Designed to work with UTMUL-P
· Supports strong emulsion performance
· Helps improve electrical stability
· Supports stable rheological properties
· Helps control HTHP fluid loss
· Suitable for diesel, white oil and synthetic-base systems
· Oil-soluble and water-insoluble
· Low toxicity
· Non-fluorescent
· Compatible with other OBM additives
In many oil-based drilling fluid systems, the primary and secondary emulsifiers are used as a complementary package.
The primary emulsifier provides the main emulsifying function, while the secondary emulsifier works together with the primary emulsifier to strengthen the overall performance of the system.
The final treatment level and formulation should always be evaluated according to the customer's specific drilling fluid system and operating requirements.
For this reason, Unitech can support customers with product samples, technical data and formulation discussions before commercial-scale supply.
UTMUL-P and UTMUL-S can be used in a variety of oil-based drilling fluid systems, including:
· Diesel oil-based mud
· White oil-based mud
· Synthetic-based drilling fluids
· Different oil/water ratios
· Different mud densities
· High-temperature drilling environments
Our development work focuses on maintaining consistent product performance across different drilling fluid formulations rather than limiting the products to one specific base oil or mud design.
Choosing an oil-based mud emulsifier supplier involves more than comparing product specifications.
Customers also need consistent manufacturing, reliable documentation and dependable supply.
As a professional drilling fluid additives manufacturer, Unitech Chemicals Kaiping Ltd supports customers with:
· TDS
· SDS
· COA
· Product samples
· Technical communication
· Quality control
· International logistics support
· Long-term commercial supply
Our primary and secondary emulsifiers are supplied in 55-gallon drums for international customers.
Unitech continues to expand its emulsifier business in international drilling markets.
During 2026, our commercial and technical cooperation in Africa increased significantly, including business development in Nigeria, Algeria and Libya.
Growing demand for primary emulsifiers, secondary emulsifiers and other oil-based mud additives reflects the increasing need for reliable drilling fluid chemical manufacturers capable of supporting both product performance and international supply.
Unitech will continue developing long-term relationships with drilling fluid companies, oilfield service companies and distributors across Africa and other global oil and gas markets.
If your company is evaluating primary emulsifiers, secondary emulsifiers or other oil-based mud additives, Unitech can provide technical data, samples and product information for evaluation.
Products:
UTMUL-P — Primary Emulsifier for Oil-Based Mud
UTMUL-S — Secondary Emulsifier for Oil-Based Mud
Manufacturer:
Unitech Chemicals Kaiping Ltd
Applications:
Oil-Based Mud / Invert Emulsion Drilling Fluids
Operating Temperature:
Up to 177°C / 350°F
Contact our team for TDS, SDS, COA, samples or commercial inquiries.
A primary emulsifier is used to provide the main emulsifying function in an oil-based or invert emulsion drilling fluid system.
A secondary emulsifier is used together with the primary emulsifier to support overall emulsification performance, electrical stability and fluid-loss control.
They are suitable for diesel, white oil and synthetic-base drilling fluid systems.
UTMUL-P and UTMUL-S have been evaluated under operating temperatures up to 177°C / 350°F.
Yes. Customers can contact Unitech for samples, technical documentation and product evaluation discussions.
