Product Name: BENTOIL 400

Product Information: BENTOIL 400 Organophilic Bentonite


BENTOIL 400 organophilic bentonite is a viscosifier and gelling agent that can be used in all oil based drilling fluids, especially effective in synthetic oils. BENTOIL 400 is a polymer and an amine treated Wyoming bentonite designed to yield optimal performance in all oil based drilling fluids to increase carrying capacity and suspension properties, providing cost effective removal of cuttings.


BENTOIL 400 was developed as a viscosifier and gelling agent for use in synthetic oils. BENTOIL 400 can be used in low concentrations in diesel oil based drilling fluids. BENTOIL 400 is stable at temperatures up to 300 F.


Cost effectively builds viscosity and yield point in low toxicity and synthetic oils

• Improves hole cleaning because of high cuttings capacity

• Aids in filter cake formation resulting in improved filtration control

• Unique energy intensive batch processing of BENTOIL 400 ensures consistent product quality and cost effective performance.


Color: Light tan

Moisture content: 4%, maximum

Form: Free flowing powder

Specific gravity: 1.7 +/- 1.0

Fineness: 75%, minimum, passing 200-mesh


25 kg or 50 lb multi-layer paper sacks