Secondary Emulsifier

GCS EMUL S

High-performance secondary emulsifier for oil-based drilling fluids, improving emulsion stability, rheology, and filtration control.

Product Overview

GCS Emul S is a high-performance secondary emulsifier for oil-based drilling fluids (OBM), designed to enhance emulsion stability, improve oil-wetting characteristics, and support overall drilling fluid performance. It works in conjunction with primary emulsifiers to strengthen the water-in-oil emulsion system, ensuring long-term stability under dynamic downhole conditions.

This advanced formulation improves the dispersion of solids within the oil phase, enhances emulsion tightness, and minimizes the risk of phase separation. It plays a critical role in maintaining consistent rheology, optimizing filtration control, and improving the overall efficiency of drilling operations.

GCS Emul S is particularly effective in high-temperature and high-pressure environments, where emulsion stability is crucial for maintaining fluid integrity. Its robust chemical composition ensures reliable performance across a wide range of mud weights, oil-water ratios, and drilling conditions.

Widely used in global oilfield operations, GCS Emul S supports efficient and stable drilling performance in both onshore and offshore environments.

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Applications

Oil-Based Mud (OBM) systems
Invert emulsion drilling fluids
High-temperature and HPHT drilling operations
Deep well and extended reach drilling (ERD)
Offshore and onshore drilling projects
Complex formations requiring stable emulsions
Used in combination with primary emulsifiers and wetting agents
Global oilfield applications including Middle East (UAE, Oman, Saudi Arabia), North America, and offshore rigs

Key Advantages

Enhances emulsion stability and strength
Reinforces the water-in-oil emulsion structure, reducing the risk of emulsion breakdown and ensuring long-term fluid stability.
Improves oil-wetting characteristics
Promotes effective oil-wetting of solids and drill string components, reducing sticking tendencies and improving lubrication.
Supports better filtration control
Works alongside primary emulsifiers to minimize fluid loss and improve filter cake quality.
Effective in high-temperature and HPHT conditions
Maintains performance in challenging environments where emulsion stability is critical.
Optimizes rheological properties
Helps maintain consistent viscosity and flow behavior across varying drilling conditions.
Enhances compatibility with OBM additives
Works efficiently with primary emulsifiers, wetting agents, and other drilling fluid chemicals.
Improves overall drilling efficiency
Contributes to smoother operations by reducing torque, drag, and fluid instability issues.

Physical Properties

Appearance	Blackish Brown Liquid
Specific Gravity	0.87 – 0.97
Flash Point	More than 100 °C
Acid Value (mgKOH/g)	40 – 46

Packaging

200 L HDPE Drum 1000 L IBC Tank Bulk Tanker Supply

Storage

Store in a cool, dry and well-ventilated area away from direct sunlight. Keep containers tightly closed when not in use.

Shelf Life

24 Months

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