In oil and gas drilling operations, drilling fluid performance directly determines the speed, safety, and cost of the entire operation. As a specialized manufacturer with 20 years of deep industry expertise, Hoda Chemical focuses on the research, development, and production of high-performance drilling fluid additives, providing global clients with reliable, field-proven mud system solutions.
CMC-HV: High-Viscosity Carboxymethyl Cellulose
CMC-HV is an organic polymer derived from natural cellulose through chemical modification. As a key viscosifier and fluid loss control agent in water-based drilling fluids, CMC-HV is widely used in oil and gas drilling, particularly in deep wells, horizontal wells, and complex formation conditions.
Key Properties and Functions:
- Superior viscosity-building: Rapidly increases mud viscosity and yield point, ensuring effective cuttings suspension and hole cleaning
- Excellent fluid loss control: Forms a thin, tough, low-permeability filter cake on the wellbore wall, significantly reducing filtrate invasion and protecting reservoir permeability
- Salt and temperature toleranc: Maintains stable performance in saline environments and elevated temperature conditions, suitable for offshore and deep-well applications
- Shale inhibition: Encapsulates shale cuttings to prevent dispersion and wellbore instability in water-sensitive formations
- Environmental safety: Non-toxic, biodegradable, and compatible with other drilling fluid additives
PAC-HV:High-Viscosity Polyanionic Cellulose
PAC-HV is a premium-grade, highly purified cellulose derivative with enhanced anionic charge density. Compared to conventional CMC, PAC-HV offers significantly superior performance in viscosity enhancement, fluid loss control, and thermal stability, making it the preferred choice for demanding drilling operations.
Key Properties and Functions:
- Higher viscosity at lower concentrations: Achieves target rheological properties with less product, reducing treatment costs per well
- Outstanding thermal stability: Resists degradation at high downhole temperatures, maintaining fluid properties throughout extended drilling operations
- Superior fluid loss control: Provides exceptional API and HTHP fluid loss reduction, protecting reservoir integrity and improving well productivity
- Enhanced salt tolerance: Performs reliably in saturated salt mud systems, ideal for drilling through salt formations and offshore applications
- Improved suspension capacity: Excellent cuttings carrying and barite sag resistance, critical for deviated and horizontal wellbore stability
CMC-HV vs PAC-HV: Choosing the Right Product
Both products serve as viscosifiers and fluid loss controllers, but PAC-HV offers enhanced performance for the most demanding conditions, while CMC-HV delivers reliable, cost-effective results for standard drilling operations. Hoda Chemical can recommend the optimal product or blend based on your specific well parameters.
Quality Certified
Both CMC-HV and PAC-HV are manufactured under strict quality control protocols and have obtained ISO certification, safety certification, and quality management certification, ensuring full compliance with international oilfield standards.
Application Areas
- Water-based drilling fluids for vertical, directional, and horizontal wells
- Exploration and production in complex formations including shale, salt domes, and high-temperature reservoirs
- Offshore drilling operations requiring environmentally compatible and salt-tolerant fluid systems
- Workover and completion fluids where superior filtration control is essential
Beyond Products
Hongda Chemical delivers not just products, but complete drilling fluid solutions:
Custom Formulation
Tailored CMC-HV and PAC-HV specifications based on specific well conditions and client requirements.
On-Site Technical Support
Experienced engineers dispatched to client sites for mud system design, application guidance, and troubleshooting.
Drilling Optimization
Two decades of field expertise to optimize mud programs and reduce non-productive time.
Our Commitment
- Fast delivery: Shorter lead times than industry average
- Quality guarantee: Exchange for non-conforming products
- Responsive after-sales: Dedicated technical support team
Contact Hoda Chemical today for CMC-HV, PAC-HV, or custom drilling fluid solutions.
