We have developed a product portfolio consisting of more than 70 drilling fluid additives across 12 categories, covering water-based drilling fluid, oil-based drilling fluid and solids-free drilling & completion fluid systems, to fully meet the operational requirements of oil and gas drilling, completion and workover operations.
Viscosifier
Sodium Bentonite
This refined natural sodium bentonite eliminates activation treatment. It delivers complete hydration and consistent mud-building capacity, yields low fluid loss and tight smooth filter cake, and possesses prominent anti-dispersion performance for conventional drilling of oil, gas and water wells.
Calcium Bentonite
Manufactured from selected natural calcium bentonite ore, this product features pure powder with uniform particle size. It delivers favorable basic mud-building performance and high cost-effectiveness, and is suitable for geological drilling, water well drilling and shallow conventional drilling projects.
OCMA-grade bentonite
High-efficiency Mud Yield Bentonite
Salt-Resistant Bentonite
Bentonite Synergist
Weighting Agent
API-grade Barite Powder
High-Purity Barite Powder
Superfine Suspended Barite Powder
Adopting ultra-fine and superfine grinding technology, the powder features fine particle size, large specific surface area and excellent suspension property. It hardly settles and causes no delamination in high-density drilling fluids, effectively solving the problems of solid sedimentation and unstable pump pressure of high-density drilling mud.
Ground Limestone
High-purity calcium carbonate powder, acid-soluble with no permanent plugging and excellent temporary plugging performance. It is mainly applied in reservoir protection drilling and temporary plugging operations for permeable formations, and can be completely removed by acidification at the later stage.
Hematite Weighting Agent
Ultra-high density inorganic weighting material with density much higher than conventional barite. It can be used to prepare ultra-high density drilling fluids, suitable for pressure balance operations in abnormally high-pressure formations, deep wells and ultra-deep wells.
Micromanganese Weighting Material
This ultrafine nano-scale weighting powder delivers excellent sedimentation stability and minimal formation damage. It performs steadily under HTHP conditions, and is a dedicated weighting material for high-end ultra-deep wells, tight oil and gas, and reservoir protection.
Fluid Loss Additive
Modified Starch
CMC (Carboxymethyl Cellulose)
PAC (Polyanionic Cellulose)
Sodium Hydrolyzed Polyacrylonitrile (Na-HPAN)
Ammonium Hydrolyzed Polyacrylonitrile (NH₄-HPAN)
Sulfonated Lignite (SMC)
Modified Lignite Resin (SPX)
Sulfonated Phenolic Resin (SMP)
Lignite Resin (SPNH)
High-temperature Salt-resistant Anti-sloughing Fluid Loss Additive (KFT)
Carboxymethyl Hydroxyethyl Cellulose (CMHEC)
High-grade modified cellulose fluid loss additive combining dual properties of CMC and HEC. Its salt tolerance, calcium resistance and thermal resistance are greatly improved. It maintains stable performance in high-mineralization seawater and saturated saltwater drilling fluids without flocculation failure, suitable for offshore drilling and high-end drilling fluid systems for high-salinity formations.
High Temperature & Salt Resistant Polymer Fluid Loss Additive
Non-Permeable Fluid Loss Additive
It forms an impermeable composite sealing membrane at solid-liquid interface to prevent drilling fluid from invading formations. The unique advantage of this non-permeable composite membrane lies in its reversibility. Under negative pressure, the membrane can be easily stripped from rock surface without affecting production capacity. Besides, it is biodegradable and non-toxic.
Viscosifier & Rheology Modifier
Xanthan Gum (XC)
Salt-Tolerant Xanthan Gum
Hydroxyethyl Cellulose (HEC)
Polyacrylamide Viscosifier
Solids-Free Viscosity Builder
Rheology Modifier
High-Inhibition Wellbore Stabilization Materials
Polyamine Clay Inhibitor
Potassium Chloride Wellbore Stabilizer
Polyol Wellbore Stabilizer
Chloride-Free Clay Anti-Swelling Additive
Nano Anti-Swelling Stabilizer
Specialized Inhibitor for Shale and Coal Seams
Sealing & Wellbore Stabilization Materials
Sulfonated Asphalt
Modified Asphalt
Ultrafine Calcium Carbonate
Nano Sealing Additive for Micro-Fractures
Graded Packing Sealing Additive
Multi-grade packing sealing additive compounded with particles of various sizes. Via graded bridging and compaction effects, it builds a dense sealing barrier in formation pores and fractures to reduce filtrate invasion and stabilize the wellbore.
Flexible Resin Sealing Additive
Low-Fluorescence Sealing & Wellbore Stabilization Additive
High-Pressure Sealing Additive for Deep Wells
Lost Circulation Materials
Vegetable Fiber Lost Circulation Materials (Walnut Shell / Cottonseed Hull / Mica Flakes)
Acid-Soluble Rigid Lost Circulation Particles
Acid-Soluble Expandable Lost Circulation Additive
This additive expands rapidly upon contact with water, featuring triple sealing functions including bridging, packing and elastic sealing. It cooperates with rigid particles and fibers to plug fracture leakage pathways. It can be completely dissolved via post-operation acidification to effectively protect reservoirs, applicable for lost circulation prevention in reservoir intervals.
While-Drilling Lost Circulation Additive
Flexible Expandable Lost Circulation Additive
Composite Lost Circulation Additive
Compound LCM blended with rigid bridging particles, elastic fillers and modified fibers. It relies on synergistic effects of particle bridging, elastic packing and fiber interlocking to rapidly build multi-layer dense pressure-resistant sealing zones. It features wide temperature tolerance and outstanding compatibility with all water-based drilling fluids.
Pressure-Bearing Lost Circulation Additive
Lubricant Additives
Non-Fluorescent White Oil Lubricant
High-performance environmentally friendly lubricant designed for water-based drilling fluids. It adopts deeply refined non-aromatic white oil, fundamentally eliminating fluorescence interference caused by conventional lubricants. It is the preferred product for exploration wells, directional wells and operations in environmentally restricted blocks.
Oil-Based Lubricant
Formulated with base oil and high-performance additives. It adsorbs onto drillstring and borehole surfaces to form high-strength oil film, drastically reducing drag and torque during drilling. It features excellent thermal resistance and outstanding anti-wear performance, without impairing any properties of drilling fluids, and exhibits favorable compatibility. Suitable for high-temperature deep wells, extended-reach wells and horizontal wells to effectively alleviate downhole drag and drillstring sticking.
Solid Lubricant
Refined from layered solid anti-wear materials. It forms a solid lubricating film between drillstring and borehole wall to effectively reduce downhole drag and torque. It possesses good thermal resistance, high pressure and wear tolerance, and does not affect drilling fluid rheology and fluid loss properties with excellent compatibility. Suitable for high-drag intervals such as highly deviated wells and horizontal wells to prevent drillstring sticking and drag.
Thinning & Dispersing Materials
Lignosulfonate
Zwitterionic Polymer Thinner
Sulfonated Tannin Thinner
Special Thinner for High-Solids High-Density Drilling Fluids
PH Adjusters & Inorganic Additives
Potassium Chloride
Potassium chloride delivers strong inhibition against shale hydration and swelling to prevent borehole sloughing and reduce drilling fluid fluid loss. It exhibits excellent compatibility and is widely adopted in water-based wellbore stabilization drilling fluid systems.
Calcium Chloride
Calcium chloride strongly inhibits clay hydration and dispersion, increases drilling fluid salinity and consolidates the borehole wall. Featuring favorable compatibility, it is commonly used in high-salinity wellbore stabilization drilling fluids.
Soda Ash & Caustic Soda
Sodium Chloride
Sodium chloride provides sodium ions to inhibit shale hydration, adjust drilling fluid salinity and reduce fluid loss. It has good compatibility and is widely used in saltwater and saturated saltwater drilling fluids.
Basic Zinc Carbonate
It integrates hydrogen sulfide scavenging and downhole corrosion inhibition functions. With large specific surface area, it rapidly reacts with hydrogen sulfide and bisulfide ions invading from formations to eliminate safety hazards caused by toxic hydrogen sulfide at the source. After reaction, a dense protective film forms on the surface of drill pipes and casings to restrain electrochemical hydrogen embrittlement corrosion and extend the service life of downhole tubular goods.
Oil-Based Drilling Fluid Additives
Primary Emulsifier
It powerfully stabilizes water-in-oil emulsions and improves the electrical stability of drilling mud. It controls HTHP fluid loss and inhibits solid settling, compatible with all types of oil-based and synthetic-based drilling fluids.
Wetting Inverter
Secondary Emulsifier
It cooperates with primary emulsifier to strengthen emulsion interfacial film and improve emulsion breakdown voltage. It wets solid particles, reduces HTHP fluid loss and provides strong calcium contamination resistance, suitable for ultra-high temperature oil-based mud.
Oil-Based Fluid Loss Additive
Defoamer
It rapidly eliminates bubbles within the fluid system and stabilizes mud density without damaging emulsion performance, applicable to all ultra-high temperature oil-based drilling fluids.
Auxiliary Drilling Fluid Additives
Silicone Defoamer
Biocide for Polysaccharide Systems
Corrosion Inhibitor
It forms a dense protective film on metal surfaces to inhibit corrosion induced by carbon dioxide and brine, without damaging emulsion performance. Suitable for all ultra-high temperature oil-based drilling fluids.
