Oilfield Solid Sodium Formate
CAS NO.: 141-53-7
Molecular Formula: HCOONa
Molecular Weight: 68.01
Character: White crystal powder.
Usage: Used in the production of Sodium Hydrosulfite, oxalic acid, and formic acid, oilfield development (oilfield drilling fluid, workover fluid, completion fluid), snow dissolving agent, mining, leather, printing and dyeing, etc.
Package: 25kg plastic woven bag or 1000kg Ton-bag
Storage: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
- Product Description
Oilfield Solid Sodium Formate - Premium Drilling Fluid Additive
SHANXI ZHAOYI CHEMICAL CO., LTD brings you industrial-grade Oilfield Solid Sodium Formate with proven performance in high-pressure high-temperature environments. With over 35 years of manufacturing excellence since 1988, our facility produces 150,000 tons annually across a 27,000 m² production base. Our product delivers ≥98% purity, achieving specific gravity up to 1.33 SG while maintaining shale inhibition rates above 90%. The product features corrosion rates below 0.03g/m²·h and moisture content under 0.5%, ensuring optimal drilling fluid stability. ISO, KOSHER, and HALAL certified, our formulation supports solids-free brine systems that prevent formation damage in critical reservoir zones.
Key Features & Benefits
High Purity Performance
Our product maintains minimum 98% HCOONa content with strict impurity control. This ensures consistent density contribution and predictable downhole behavior.
Superior Shale Stabilization
The formulation achieves over 90% clay inhibition through osmotic stabilization. You get better wellbore integrity compared to traditional chloride-based alternatives.
Thermal Resilience
Remains stable at temperatures exceeding 200°C in deep well applications. Your drilling operations continue smoothly even in extreme HPHT conditions.
Solids-Free Solution
Completely dissolves in water without particle suspension. This eliminates barite sag issues and protects formation permeability during reservoir drilling.
Environmental Compliance
Biodegradable and non-corrosive to downhole equipment. You meet stringent environmental regulations while maintaining operational efficiency.
Advanced Anti-Caking Technology
Our proprietary processing keeps agglomeration rates below 5%. This solves common storage and handling challenges in field conditions.
Technical Specifications
Parameter | Specification | Test Method |
Content (HCOONa) | ≥ 98.0% | GB/T 1391 |
Appearance | White crystalline powder | Visual inspection |
NaOH Content | ≤ 0.5% | Titration |
Na₂CO₃ Content | ≤ 0.5% | Titration |
NaCl Content | ≤ 0.5% | Ion chromatography |
Na₂S Content | ≤ 0.02% | Colorimetric |
Moisture Content | ≤ 0.5% | Karl Fischer |
pH (10% Solution) | 7.0 - 9.0 | pH meter |
Solubility in Water | Fully soluble | Lab test |
Specific Gravity (Saturated) | Up to 1.33 SG | Hydrometer |
Corrosion Rate (Carbon Steel) | ≤ 0.03 g/m²·h | Coupon test |
Clay Inhibition Rate | ≥ 90% | Swell test |
Molecular Weight | 68.01 g/mol | Calculated |
CAS Number | 141-53-7 | Registry |
How It Works?
Density Management Mechanism
When dissolved in drilling fluid, sodium formate ions increase the brine density without adding suspended solids. This creates stable hydrostatic pressure that controls formation fluids while maintaining flowability.
Osmotic Stabilization Process
The formate solution lowers water activity in the mud system. This creates an osmotic gradient that prevents water from entering shale formations, stopping clay hydration and swelling at the molecular level.
Filter Cake Formation
In reservoir sections, the solids-free brine forms an ultra-thin, semi-permeable filter cake. This minimizes invasion depth and preserves natural fracture networks for optimal production rates.
Corrosion Protection
The mildly alkaline pH environment protects downhole tubulars and polymer additives. You avoid the aggressive corrosion associated with chloride-heavy systems.
Our Factory
30-YEAR ACETATE SPECIALIST | Non-caking, High Purity, Global Supply Chain



Applications
Supply Drill-In Fluids
Perfect for completing pay zones in delicate arrangements. The solids-free nature anticipates pore stopping and keeps up greatest penetrability for hydrocarbon flow.
Water-Based Mud Systems
Functions as a prevalent elective to potassium chloride in responsive shale boring. Your wellbore remains in gage through troublesome clay sections.
Completion and Workover Fluids
Provides exact thickness control for well control amid intercession operations. The clear brine permits visual review and rearranges liquid taking care of offshore.
HPHT Boring Operations
Maintains soundness in profound gas wells where temperatures surpass polymer corruption limits. You accomplish reliable execution all through expanded penetrating campaigns.
Extended Reach Drilling
The lubricity properties decrease torque and drag in level areas. This empowers you to reach far off targets with existing fix capabilities.
Underbalanced Drilling
Works successfully in overseen weight penetrating frameworks. The unsurprising thickness behavior bolsters exact bottom-hole weight control.






Oilfield Solid Sodium Formate vs Other Products
Feature | Sodium Formate | Potassium Formate | Potassium Chloride | Barite |
Maximum Density | 1.33 SG | 1.57 SG | 1.16 SG | 2.2+ SG (as solid) |
Shale Inhibition | Excellent (≥90%) | Excellent | Moderate | None |
Corrosion Rate | Very Low | Very Low | High | Low |
Formation Damage | Minimal | Minimal | Moderate | High (plugging) |
Thermal Stability | >200°C | >200°C | <150°C | Excellent |
Environmental Impact | Biodegradable | Biodegradable | High chloride | Inert solid |
Solids Content | Zero | Zero | Zero | 100% particulate |
Cost Efficiency | Moderate | Premium | Low | Low |
Viscosity Impact | Low | Low | Moderate | Increases significantly |
HSE Classification | PLONOR eligible | PLONOR eligible | Marine pollutant | Nuisance dust |
Certifications & Compliance
Our manufacturing facility maintains rigorous quality standards recognized globally. We hold ISO 9001 certification for quality management systems, ensuring every batch meets specifications.
KOSHER and HALAL certifications make our products suitable for markets requiring these standards. All materials comply with REACH regulations for European markets.
Our production processes follow environmental protection guidelines. Regular third-party testing validates our technical claims and performance data.






Packaging Options
Standard Bag
25kg plastic woven bags with moisture-proof inner lining. Ideal for smaller operations and easy manual handling.
Bulk Bag
1000kg jumbo bags with lifting loops and discharge spout. Cost-effective for large-scale drilling programs and automated mixing systems.
Custom Packaging
We accommodate special requirements for container loading or specific labeling needs. Contact us to discuss your logistics preferences.
All packaging protects against moisture ingress during storage and transportation. Clear labeling includes batch numbers for traceability.
Packing

Manufacturing Process
Crude Fabric Selection
We source 100% national standard review crude materials with strict provider reviews. Approaching quality checks guarantee virtue some time recently generation begins.
Synthesis and Purification
Our progressed response control framework keeps up ideal conditions for high-yield transformation. Different filtration stages expel follow pollutions to accomplish ≥98% purity.
Crystal Processing
Specialized crystallization methods deliver uniform molecule measure dissemination. Our anti-caking treatment keeps agglomeration underneath 5% indeed in muggy conditions.
Quality Control
Each generation bunch experiences 15+ quality checkpoints. We confirm chemical composition, physical properties, and penetrating execution parameters some time recently release.
Packaging and Storage
Automated filling frameworks guarantee exact weights and legitimate fixing. Climate-controlled stockrooms keep up item steadiness until shipment.
Shipment



Why Choose Us?
Three Decades of Expertise
Since 1988, we've refined our acetate and Oilfield Solid Sodium Formate production processes. You benefit from proven manufacturing knowledge accumulated across thousands of batches.
Large-Scale Reliability
Our 150,000-ton yearly capacity guarantees consistent supply for major boring campaigns. You maintain a strategic distance from venture delays due to fabric shortages.
Technical Bolster Team
Our masters give penetrating liquid detailing optimization and on-site help. We offer assistance you accomplish target liquid properties for particular well conditions.
Verified Field Performance
Long-term associations with major oilfield benefit companies approve our item quality. Real-world applications illustrate steady execution over differing geographical settings.
Batch Consistency
Content blunder remains inside ±0.5% between clusters. Your liquid properties stay unsurprising all through expanded boring operations.
Customer-Centric Philosophy
We prioritize your fulfillment through responsive communication and adaptable arrangements. Our integrity-based approach builds long-term partnerships.
Global Dispersion Network
Products reach clients over China, Europe, America, and Asia. Built up coordinations guarantee opportune conveyance to farther boring areas.
FAQ
Q: What makes your sodium formate reasonable for HPHT wells?
A: Our item keeps up steadiness over 200°C without decay. The tall virtue dispenses with pollutions that may respond beneath extraordinary weight and temperature conditions.
Q: How does it compare to potassium formate in cost?
A: Whereas potassium formate accomplishes higher densities, our sodium formate offers amazing esteem for applications up to 1.33 SG. You get solid execution at a more conservative cost point.
Q: Can it be utilized with polymer-based mud systems?
A: Completely. The gently antacid pH secures xanthan gum and other polymers from corruption. You keep up consistency and filtration control all through the boring operation.
Q: What is the rack life beneath legitimate storage?
A: When put away in dry, ventilated stockrooms absent from dampness, the item remains steady for 24 months. Our anti-caking innovation avoids weakening amid long-term storage.
Q: How do I decide the rectify dosage?
A: Dose depends on your target liquid thickness and base water properties. Our specialized group can give particular definition proposals based on your well parameters.
Q: Is extraordinary gear required for mixing?
A: Standard mud blending gear works well. The tall solvency permits fast disintegration with typical tumult. We give blending rules for field conditions.
Q: What natural preferences does it offer?
A: The biodegradable nature decreases environmental affect compared to determined chemicals. Moo poisonous quality to marine life forms makes it reasonable for seaward operations in delicate areas.
Q: Do you give bulk shipments for expansive projects?
A: Yes, we orchestrate holder loads and bulk transport for major boring programs. Our coordinations group facilitates conveyance plans to coordinate your operational timeline.
Request a Quote
Ready to enhance your drilling fluid performance with premium Oilfield Solid Sodium Formate? Contact our team for competitive pricing, technical specifications, and delivery options: sxzy@sxzhaoyi.com
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