Elevating Wellbore Integrity and HPHT Drilling Efficiency with Premium Organic Brines and Environmentally Compliant Fluids.
High-purity intermediate formulations and drilling additives designed for maximum performance in demanding settings.
In modern upstream hydrocarbon exploration, drilling engineers constantly push the limits of depth, temperature, and geological complexity. High-Pressure, High-Temperature (HPHT) wells, deepwater offshore reservoirs, and highly reactive shale plays require specialized drilling muds. Sodium Formate (HCOONa) 95% Min crystalline solid has emerged as an essential additive in formulating solid-free, high-density drilling, workover, and completion fluids.
Sodium Formate 95% functions as a highly soluble, density-building salt. Unlike conventional divalent salts such as Calcium Chloride or Zinc Bromide, Sodium Formate creates monovalent brines with densities up to 1.33 g/cm³ (11.1 ppg) at saturation. This level of density allows operators to maintain hydrostatic pressure balance without resorting to heavy weighting agents like barite, which can cause reservoir damage and plug pore throats.
Reactive clay formations, particularly those rich in smectite and illite, are prone to swelling and dispersion when they contact water-based muds. Sodium Formate 95% addresses this through osmotic pressure balancing. By reducing the chemical activity of water in the brine to match or fall below the water activity within the shale matrix, water migration into the clay is minimized. This osmotic barrier prevents wellbore instability, collapse, and tight spots, ensuring a smooth drilling window and lowering Non-Productive Time (NPT).
In drilling fluids, biopolymers like Xanthan Gum, Starch, and Polyanionic Cellulose (PAC) are used for rheology and filtration control. Under bottom-hole temperatures exceeding 100°C (212°F), these polymers rapidly degrade through thermal oxidation. Formate ions act as strong free-radical scavengers. They inhibit the oxidative pathways of polymer chain degradation, raising the thermal stability limit of these biopolymers up to 150°C (302°F). This protects polymer additives, maintains viscosity profiles, and reduces overall chemical consumption.
A technical comparison illustrating the operational benefits of Formate-based fluids over traditional chloride and bromide systems.
| Fluid Chemistry Parameter | Sodium Formate Brine (95%) | Calcium Chloride (CaCl₂) Brine | Zinc Bromide (ZnBr₂) Brine |
|---|---|---|---|
| Maximum Safe Density | 1.33 g/cm³ (11.1 lb/gal) | 1.39 g/cm³ (11.6 lb/gal) | 2.30 g/cm³ (19.2 lb/gal) |
| Corrosivity (Mild Steel) | Ultra-Low (< 0.5 mpy) | Moderate (2.0 - 5.0 mpy) | Very High (Corrosive, pH < 4) |
| Polymer Thermal Limit | Protects up to 150°C (302°F) | Degrades > 110°C (230°F) | Degrades > 100°C (212°F) |
| Ecotoxicity Rating | Highly Biodegradable (OCNS E) | Moderate (Chloride accumulation) | High Toxicity (Heavy Metal Listing) |
| Reservoir Damage Risk | Extremely Low (Solid-free) | Moderate (Precipitation risk) | High (Acid hydrolysis of clays) |
The global oilfield chemicals market is undergoing a transition driven by tightening environmental regulations and the technical challenges of maturing oil reserves. Regulatory frameworks like OSPAR in the North Sea, alongside strict EPA standards in the Gulf of Mexico, have restricted the use of toxic, bioaccumulative oilfield additives.
As a result, Sodium Formate 95% has transitioned from a niche premium chemical to a widely used component in modern drilling systems. Operators in environmentally sensitive areas, such as the North Sea, Offshore Brazil, and the Gulf of Guinea, increasingly replace zinc bromide and high-concentration halide brines with biodegradable organic sodium/cesium/potassium formate systems.
The rise in deep geothermal energy development has created new applications for Sodium Formate. Geothermal wells regularly encounter temperatures exceeding 175°C (347°F). Formates are utilized in these environments because they are non-corrosive to titanium and high-nickel alloy casings at elevated temperatures, maintaining well structure where traditional chloride-based salts could cause stress corrosion cracking.
A trusted, publicly listed industrial chemical manufacturer serving Fortune Global 500 enterprises with chemical logistics infrastructure.
Established in 2006, Shandong Pulisi Chemical Co., Ltd. (Stock Code: 307785) is a high-tech chemical manufacturer focusing on petrochemicals, mining chemicals, feed chemicals, and pharmaceutical chemicals. We have established long-term partnerships with Fortune Global 500 enterprises, including China National Petroleum Corporation (CNPC) and Saint-Gobain.
We operate under a customer-centric model, providing customized chemical processing and packaging to improve our customers' market competitiveness. Shandong Pulisi Chemical maintains zero-branch operations outside of Shandong Province, ensuring central quality control over production, safety, and dispatch.
Our production facilities are certified to international standards for chemical safety, environmental compliance, and process consistency.
Pulisi Chemical at international events, highlighting our role as an industrial and mining raw material supplier.








Since our establishment in 2006, the company has operated as an industrial, mining, and chemical raw material supply service provider. We focus on developing high-quality chemical formulations by investing in process optimization and logistics support.
We manage our logistics using warehousing and distribution hubs at Qingdao Port, Tianjin Port, and Xinjiang border crossings (Alashankou, Khorgos). These locations allow us to coordinate container shipping, rail links, and customs processing to support timely order fulfillment.
Our chemicals are formulated for use across multiple industrial sectors, matching performance requirements with environmental safety standards.
Chemicals For Textile, Printing & Dyeing & Leather
Agricultural Chemicals, Food & Feed Additives
Chemicals For Construction And Coatings
Chemicals For Mining
Chemicals For Oil Drilling
Disinfectant And Solvent Chemicals
Chemicals For Water Treatment
Plastic Raw Material
Providing technical support, secure supply routes, and consistent chemical quality to our customers.
Exporting to more than 100 countries and regions with customs compliance documentation.
Over 20+ years of export experience, maintaining supply relationships with more than 1,000 global enterprises.
ISO 9001, German BV, SGS testing certifications, alongside Halal, Kosher, and K-REACH clearances.
Competitive, direct factory quotes structured around formulation requirements and order volumes.
Strategic warehousing at key ports including Qingdao, Tianjin, and western border rail yards ensures fast dispatch.
Technical service and sales support teams assist from the initial formulation phase to site deployment.
We work with companies worldwide to maintain stable delivery networks across chemical sectors.










Technical and purchasing details for our industrial and drilling chemical lines.
Yes, we provide custom packaging solutions. We can print your company logo, batch numbers, and hazard warnings on standard 25 kg bags, 1,000 kg jumbo bags, or custom containers, in compliance with international labeling standards.
Yes, we support trial shipments for quality assessment and field testing. We work with distribution partners to supply chemical quantities matching the requirements of individual operators.
Pricing depends on raw material costs (carbon monoxide and sodium hydroxide), order volumes, and packaging specifications. Bulk, annual off-take agreements qualify for adjusted pricing based on current raw material indexes.
Yes, we provide free evaluation samples (typically 500g to 2kg) to qualified oilfield laboratories and industrial buyers. Courier fees are coordinated with our logistics department.
Our logistics network coordinates shipping through regional hubs: marine dispatch from Qingdao and Tianjin Ports, and rail line transit to Central Asia and Eastern Europe through Khorgos and Alashankou.
We accept T/T (Telegraphic Transfer), L/C (Letter of Credit at sight), D/P (Documents Against Payment), and O/A (Open Account) terms, depending on transaction histories and credit evaluations.
Yes. Visitors are welcome at our plant in Zibo City, Shandong Province. The site is a 1.5-hour drive from Jinan Yaoqiang International Airport. Technical teams can request a facility tour through their sales contact.
Submit a formal RFQ to our sales team detailing specification requirements, volume, delivery port, and packaging. We will issue a Proforma Invoice (PI) detailing terms, scheduling, and payment routing to initiate processing.
Explore our full line of industrial reagents, polymer stabilizers, and oilfield fluid additives.