Welan Gum Drilling Grade
Unionchem
Product Description
Welan Gum Drilling Grade from Qingdao Unionchem Co., Ltd. is a high-efficiency biopolymer specifically engineered for use in oil and gas drilling operations. As a premium viscosifier and stabilizer, it delivers outstanding rheology modification, salt and temperature resistance, and superior suspension in water-based drilling fluids and completion systems. Our Welan Gum is produced under strict quality control to ensure consistent performance in the most demanding downhole environments.
Excellent Salt & Temperature Resistance
Maintains stable viscosity in high-salinity brines and at temperatures up to 150°C, outperforming many traditional polymers.
Superior Rheology Control
Provides optimal gel strength, suspension, and fluid loss control for efficient drilling and wellbore stability.
Improved Suspension & Cuttings Transport
Enhances the carrying capacity of drilling fluids, reducing the risk of settling and stuck pipe.
Compatible with Oilfield Additives
Works well with common drilling fluid additives and crosslinkers.
Eco-Friendly & Biodegradable
Plant-based, non-toxic, and meets environmental regulations for oilfield use.
Over 15 years of oilfield polymer manufacturing experience
ISO-certified production and strict QC for reliable supply
Technical support for drilling fluid formulation and optimization
Fast global shipping and flexible packaging solutions
Free samples and comprehensive technical documentation
FAQ
Q1: What are the main applications of Drilling Grade Welan Gum?
A1: It is used as a viscosifier, stabilizer, and suspension agent in water-based drilling fluids, muds, and completion fluids for oil and gas wells.
Q2: How does Welan Gum perform under high salinity and high temperature?
A2: Welan Gum maintains high viscosity and stable rheology in saturated brines and temperatures up to 150°C, making it ideal for challenging drilling environments.
Q3: Is Welan Gum compatible with other drilling fluid additives?
A3: Yes, it is compatible with most oilfield chemicals, including surfactants, crosslinkers, and clay stabilizers.
Q4: What is the recommended dosage in drilling fluids?
A4: Typical usage ranges from 0.1% to 0.5% by weight, depending on the required viscosity and drilling conditions. We provide formulation guidance upon request.
Q5: Can you provide technical and safety documentation?
A5: Yes, we supply COA, MSDS, and other regulatory documents to support your procurement and field operations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Off-white to light yellow powder |
| Viscosity (0.5% sol., 25°C, brine) | ≥ 600 mPa·s |
| Salt Tolerance | Excellent (up to saturated brine) |
| Thermal Stability | Up to 150°C |
| pH (1% solution) | 6.0 – 8.0 |
| Loss on Drying | ≤ 13% |
| Ash Content | ≤ 12% |
| Heavy Metals | ≤ 10 ppm |
| Total Plate Count | ≤ 1000 cfu/g |
| Certification | ISO, Oilfield Grade |
Detailed COA and technical documents available upon request.
Application Cases
1.Oil & Gas Drilling Fluids
Welan Gum improves viscosity, suspension, and cuttings transport in both fresh and saline water-based muds.
2.Completion & Workover Fluids
Provides stable rheology and minimizes fluid loss in downhole operations.
3.Directional & Horizontal Drilling
Enhances gel strength and suspension, reducing the risk of solids settling in complex well paths.
4.High-Temperature, High-Salinity Wells
Maintains fluid performance and stability in harsh reservoir conditions.
5.Environmental Drilling Projects
Biodegradable and non-toxic, meeting environmental standards for sensitive drilling sites.
Call to Action
Looking for a reliable supplier of Drilling Grade Welan Gum?
Contact Qingdao Unionchem today for free samples, technical support, and competitive pricing!
[Email: sales@unionchem.com.cn]
[Contact Form]
[WhatsApp/WeChat: +86-13953383796]
