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RIGVIS-EH is a liquid viscosifier containing high purity hydroxyethyl cellulose (HEC) suspended in an organic, ultra-clean, environmentally safe base fluid. RIGVIS-EH is stable and will not settle or experience separation.

Typical Physical Properties

Appearance	Tan
Odor	Mild
Specific Gravity @ 60°F	1.02 – 1.06
Density (lbs./gallon)	8.5
Flash Point	>168°F
pH	Neutral

Advantages

• When blended with completion fluids, RIGVIS-EH will pass MMS oil and grease regulations.
• When used as directed and tested according to the U.S. Environmental Protection Agency’s Static Sheen Test, RIGVIS-EH does not form or create a sheen on the surface of receiving waters.
• Faster yielding than dry HEC.
• Yields smooth, uniform viscosity with no lumping.
• Compatible with most drilling muds and workover /completion fluids.
• Does not require any special mixing or blending procedures.

Application

For a typical treatment to obtain Marsh funnel viscosity of 35-40 sec/qt, mix 5 gallons RIGVIS-EH per 20 barrels of fluid.

Handling

Improper handling of this product can be injurious to workers. Observe all safety precautions shown on the label and in the Material Safety Data Sheet.