Description
1. Product Overview
Gilsonite Powder 95% is a high-purity natural hydrocarbon mineral specifically processed for use as an advanced lost circulation material (LCM) in drilling fluids. Derived from naturally occurring solid bitumen, it is finely milled to provide optimal dispersion and sealing performance in oilfield drilling operations. Its primary function is to control fluid loss by sealing permeable formations and fractures encountered during drilling. With exceptional sealing efficiency, thermal stability, and compatibility with multiple drilling fluid systems, Gilsonite Powder plays a strategically critical role in reducing non-productive time (NPT) and optimizing drilling economics in demanding well environments.
2. Key Specifications & Technical Characteristics
- Material Composition: Natural asphaltite (solid hydrocarbon resin)
- Purity Level: ≥95% Gilsonite content
- Appearance: Fine black powder
- Particle Size: Typically 80–200 mesh (custom sizes available upon request)
- Density (Specific Gravity): ~1.04 – 1.06
- Solubility: Soluble in aromatic and aliphatic hydrocarbons; partially dispersible in drilling fluid systems
- Thermal Stability: Stable at high downhole temperatures commonly encountered in drilling environments
- Moisture Content: Low moisture content for improved storage stability
- Packaging Options:
- 25 kg industrial multi-layer bags
- 1 MT jumbo bags (FIBC)
- Bulk packaging upon request
- Shelf Life: Up to 24 months when stored in a dry, ventilated environment
3. Core Industrial Applications
Oil & Gas Drilling Operations
Gilsonite Powder 95% is widely used in drilling fluids as an effective lost circulation material. It helps seal fractures, porous formations, and micro-channels encountered during drilling, preventing costly fluid losses and stabilizing wellbores.
Drilling Fluid Engineering
The material functions as a bridging and sealing agent within both water-based and oil-based mud systems. Its natural resinous structure enables it to soften under downhole conditions and create a durable seal within formation fractures.
High-Performance Well Control
Compared with conventional LCM materials, Gilsonite offers superior sealing characteristics due to its unique thermoplastic properties. This allows it to deform and adapt to fracture geometry, improving formation sealing efficiency.
Operational Efficiency in Challenging Formations
In highly fractured or depleted formations, Gilsonite significantly reduces drilling fluid losses, improving drilling continuity and minimizing non-productive time. Its compatibility with modern drilling fluid formulations makes it a preferred additive in complex well environments.
4. Competitive Advantages
- Consistent High Purity: ≥95% Gilsonite content ensures reliable sealing performance across drilling operations
- Stable Supply Chain: Reliable sourcing and processing ensure consistent availability for large-scale industrial demand
- Optimized Logistics: Global bulk shipping capabilities with containerized export logistics
- Cost Efficiency: Reduces drilling fluid losses and minimizes downtime, lowering total drilling operational costs
- Environmentally Considerate Material: Naturally occurring mineral hydrocarbon with minimal chemical processing
- Technical Documentation Support: Detailed technical data sheets (TDS), MSDS, and application guidance available for drilling engineers and procurement teams
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20 MT
- Loading Capacity: Approximately 20–22 MT per 20 ft container depending on packaging configuration










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