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Low Concentration High Viscosity Welan Gum Shear Thinning Stabilizer for Brine Base Oilfield Drilling Mud

Available for enquiry 0.0 · 0 reviews
USD

$ 30.00 30.0 USD $ 30.00

Not Available For Sale

Minimum order quantity: 1 Units

Key attributes

View all
Usage
Petroleum Additives
Type
Polysaccharide
Purity (Specification)
99.994% 99.997% 99.999%
Classification
Chemical Auxiliary Agent
Place of origin
China, Guangdong
Color
White Color
Product description

Product details

High Purity: 99.9% purity ensures superior performance in drilling fluids.

Biodegradable: Eco-friendly and safe for both the environment and personnel.

Deep Well Compatibility: Effective in HPHT conditions, suitable for deep well applications.

Shale Inhibitor: Helps maintain wellbore stability and prevent shale swelling.

Low Dosage: Reduces cost and minimizes environmental impact.

Frequently asked questions

Welan Gum (CAS 96949-22-3) is a microbial polysaccharide biopolymer used as a rheology modifier, water retention agent, and suspending agent. Primary applications: concrete admixture, mortar additive, self-leveling compound, oil well cementing, drilling fluid viscosifier, and grouting material.

Welan Gum offers superior thermal stability (stable up to 120°C vs 80°C for Xanthan) and maintains viscosity in high-salinity brines and seawater where Xanthan degrades. Its pseudoplastic rheology also provides better cuttings suspension at low shear while enabling easy pumping at high shear.

At recommended dosage (0.01%-0.1% by cement weight), 28-day compressive strength retention is ≥95% vs control. Unlike some cellulose ethers, Welan Gum's pseudoplastic behavior allows proper cement hydration without excessive air entrainment.

Welan Gum typically achieves equivalent water retention at 50-70% lower dosage than HPMC/HEMC. For example, 0.03% Welan Gum often matches the anti-sag performance of 0.1% HPMC, translating to lower additive cost per cubic meter.

Pre-blend with dry cement or aggregate before adding water, or slowly sift into water under high-shear mixing (≥800 rpm). Avoid dumping directly into water as it hydrates rapidly and may form fish-eyes.

Yes. Welan Gum exhibits excellent electrolyte tolerance and maintains stable viscosity in seawater, 10% NaCl, and 5% CaClz solutions ideal for offshore construction, marine concrete, and coastal projects.

Standard: 25kg/kraft paper bag with PE liner. Custom packaging (1kg, 5kg, 10kg) and private label available. MOQ is 1kg for sample evaluation; bulk orders from 25kg with tiered pricing.

COA, SDS, TDS, and commercial documents included with every order. REACH compliance statement and third-party test reports available upon request. 5-7 working day lead time for bulk orders.
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Packaging and fulfilment
  • Step 1

    Payment and order readiness

    Minimum order: 1 Units

    Payment terms, specifications, and order details are confirmed before preparation begins.

  • Step 2

    Preparation

    10 days

  • Step 3

    Packaging and dispatch

    Packaging details are available on request.

    Final packing, freight, and delivery dates are confirmed before dispatch.

Technical specifications
Other details 7 fields
Usage
Petroleum Additives
Type
Polysaccharide
Purity (Specification)
99.994% 99.997% 99.999%
Classification
Chemical Auxiliary Agent
Place of origin
China, Guangdong
Color
White Color
Selling Units
Multiple of 25 items
Lead time
10 days
Minimum order
1 Units

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