Attapulgite Powder (Saltgel Type) is a high-performance viscosifier used in oil and gas drilling fluids, especially in saline and seawater environments. Our product is specially processed to deliver excellent viscosity and suspension properties even in high-salt conditions. It meets API standards, ensuring consistent quality and performance. It effectively stabilises drilling fluids, enhances cuttings transport, and maintains rheology where conventional bentonite fails, making it ideal for challenging drilling operations.
Oil & Gas
Why Attapulgite Powder (Saltgel) is the preferred choice for oil & gas formulations
Comprehensive range of Attapulgite Powder (Saltgel) grades for diverse industrial applications
Attapulgite Saltgel grade for saline and seawater drilling fluid applications, providing effective viscosity development and cuttings suspension in high-salt environments where bentonite fails to develop adequate rheology.
API 13A-certified attapulgite Saltgel for oil and gas drilling operations requiring guaranteed quality compliance, consistent viscosity performance, and reliable cuttings transport in saline and seawater drilling mud systems.
Common questions about Attapulgite Powder (Saltgel) in oil & gas applications
Find detailed answers about specifications, applications, and technical details.
Bentonite develops viscosity through water-induced swelling between clay platelets. In salt water, dissolved cations suppress this swelling by compressing the electrical double layer around clay particles. Attapulgite's viscosity mechanism is different — its rod-like crystals physically entangle to form a gel network that is not salt-sensitive.
Attapulgite (palygorskite) has a rod-like crystal structure. When dispersed in water — fresh or saline — these rods form a random, entangled network that provides viscosity and gel strength through physical obstruction of fluid flow. This structural mechanism is independent of ionic concentration, making attapulgite effective across the full salinity range.
Attapulgite-based drilling fluids maintain effective viscosity across the full salinity range from fresh water to near-saturated NaCl brine (~30% by weight) and seawater (3.5% NaCl). They are also effective in CaCl₂ and KCl brine systems — making them indispensable for offshore and brine-based drilling applications.
API 13A specifies performance requirements including minimum viscosity development at standard test concentration, maximum residue on 200-mesh sieve, maximum moisture content, and minimum gel strength. API-compliant grades (Micron GEL SLT – API) provide operators with guaranteed performance consistency and quality traceability.
Attapulgite is typically used at 15–30 kg/m³ (5–10 ppb) of drilling fluid to provide adequate viscosity for cuttings transport in saline environments. Higher concentrations are used for wells requiring enhanced hole cleaning in horizontal or high-angle sections.
Yes. In transition zones where salinity is increasing from fresh to saline conditions, blends of bentonite and attapulgite are used, with the attapulgite proportion increasing as salinity increases. At full seawater salinity, attapulgite completely replaces bentonite as the primary viscosifier.
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