Analysis of the application of Oil Drilling Grade CMC in the industry.
2026-03-12
Application of sodium carboxymethyl cellulose in oil drilling
In oil and gas drilling and well opening operations, deep wells are prone to water loss, leading to reduced well diameter and wellbore collapse. This often hinders drilling operations; therefore, formulating drilling fluids with appropriate parameters such as density, viscosity, thixotropy, and water loss rate is crucial for ensuring normal drilling rig operation. However, drilling fluid parameters vary depending on factors such as region, well depth, and mud type. Adding CMC (chemical molecular mixture) to the drilling fluid can adjust these physical parameters to better suit the needs of different projects.
| Application | Type | Viscosity | Degree of Substitution | Purity | Moisture |
| Oil Drilling Grade | PAC-HV | 1% Soln ≥2500 | ≥0.95 | ≥98.0 | ≤10% |
| PAC-LV | 2% Soln 100-150 | ≥1.0 | ≥98.0 | ≤10% | |
| CMC-HV | 1% Soln 1500-1800 | ≥0.90 | ≥65.0 | ≤10% | |
| CMC-LV | 2% Soln 90-150 | ≥0.90 | ≥65.0 | ≤10% |
Performance of Oil Drilling Grade CMC in Oil Drilling
1: Suitable for freshwater, seawater, or saturated salt mud.
2: Excellent fluid loss reduction, inhibition, and high-temperature resistance.
3: Excellent rheological properties, inhibiting the dispersion and expansion of clay and shale in high-salt media, thereby controlling wellbore fouling.
4: Stabilizes soft soil structures, preventing wellbore collapse.
5: Reduces the accumulation of solids in the drilling mud as the drill passes through rock surfaces.
6: Inhibits turbulence in the drill string, minimizing pressure loss in the return system.
7: Increases mud yield and reduces filter drift.
8: Stabilizes mud foam.
Why Choose Us?
1. We are a CMC (Certified Manufacturing Company) oil drilling factory, offering bulk purchasing, stable supply, and a more optimized cost structure, allowing us to offer more competitive prices.
2. With years of foreign trade experience, we have long exported to multiple countries worldwide. We understand the drilling fluid requirements, regulations, packaging, and delivery practices of different regions, making cooperation more worry-free.
3. We conduct quality inspections throughout the entire process from raw materials to finished products, ensuring stable performance.
4. We can provide a complete set of test reports, ensuring transparent data and giving customers peace of mind when placing orders.
5. Our after-sales service is comprehensive, with rapid response throughout the process, resolving any issues customers encounter during drilling, mud preparation, and use.
If you have any further questions or needs regarding the product, please feel free to contact us.
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