Carboxymethyl Cellulose (CMC) Drilling Grade
Unionchem
Product Description
Carboxymethyl Cellulose (CMC) Drilling Grade from Qingdao Unionchem Co., Ltd. is a high-purity, water-soluble cellulose ether designed specifically for use in oilfield drilling fluids and muds. As a key drilling additive, CMC Drilling Grade acts as an effective viscosifier and fluid loss reducer, helping to stabilize boreholes, minimize fluid loss, and improve drilling efficiency. Produced under strict ISO-certified quality control, Unionchem CMC is trusted by drilling contractors and oilfield service companies worldwide.
Excellent Viscosifying Performance
Increases the viscosity of drilling fluids, suspending solids and cuttings, and ensuring efficient hole cleaning。
Superior Fluid Loss Control
Reduces water loss to the formation, protecting wellbore stability and preventing formation damage。
Stable Rheology in Diverse Conditions
Performs reliably in both fresh water and brine systems, with strong tolerance to various ions and temperatures。
High Purity & Low Impurity
Low ash and heavy metal content, ensuring consistent performance and environmental safety。
Easy Dissolution & Application
Rapidly disperses and dissolves in drilling fluids, simplifying on-site operations。
Over 15 years of cellulose ether manufacturing expertise
ISO-certified production and rigorous quality control
Customizable grades for different drilling fluid systems (HV, LV, PAC, etc.)
Professional technical support and field application guidance
Fast global delivery and flexible packaging options
Free samples and complete technical documentation
FAQ
Q1: What is the main function of CMC in drilling fluids?
A1: CMC acts as a viscosifier and fluid loss reducer, enhancing drilling fluid properties, stabilizing boreholes, and minimizing filtrate loss.
Q2: Is Unionchem’s CMC Drilling Grade suitable for all types of drilling fluids?
A2: Yes, our CMC is compatible with both water-based and brine-based drilling fluids, and can be used in various drilling environments.
Q3: How does CMC improve drilling performance?
A3: CMC improves the carrying capacity of drilling fluids, reduces filtration loss, and helps maintain wellbore stability, reducing operational risks.
Q4: What is the recommended dosage in drilling fluid formulations?
A4: Typical dosage is 0.2–1.0% depending on drilling conditions and mud system. We provide technical guidance for optimal results.
Q5: Can you provide technical and regulatory documents?
A5: Yes, we supply COA, MSDS, TDS, and offer technical support for your field operations and compliance needs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | White or off-white powder |
| Purity (%) | ≥ 99 |
| Viscosity (2% sol., 25°C) | 1500–3000 mPa·s (HV) / 400–800 mPa·s (LV) |
| Degree of Substitution | 0.7–1.2 |
| pH (1% solution) | 6.5 – 8.5 |
| Loss on Drying | ≤ 10% |
| Ash Content | ≤ 8.0% |
| Heavy Metals | ≤ 20 ppm |
| Certification | ISO, Drilling Grade |
Detailed COA and technical documents available upon request.
Application Cases
1.Oil & Gas Well Drilling Fluids
Enhances viscosity, reduces filtration loss, and stabilizes wellbores in onshore and offshore drilling。
2.Workover & Completion Fluids
Controls fluid loss and improves wellbore integrity during well servicing。
3.Mineral Exploration Drilling
Improves mud performance and cuttings suspension in geological and mining drilling。
4.Horizontal Directional Drilling (HDD)
Provides stable rheology and efficient cuttings transport in trenchless construction。
Call to Action
Looking for a reliable supplier of CMC Drilling Grade?
Contact Qingdao Unionchem today for free samples, technical support, and competitive pricing!
[Email: sales@unionchem.com.cn]
[Contact Form]
[WhatsApp/WeChat: +86-13953383796]
