OFITE Differential Sticking Tester

Item:	150-50
Descripcion:	Differential Sticking Tester

The OFITE Differential Sticking Tester measures the “stuck pipe tendency” of drilling fluids and determines how effective lubricants might be in any given fluid. By measuring the area of cake building during a test, the Bulk Sticking Coefficient is obtained and read directly at the conclusion of the test. This coefficient takes into account both the friction, or “stickiness” of the filter cake, as well as the amount of cake building that would occur to stick the pipe in the hole. How likely a given fluid is to produce a “stuck pipe” situation and how effective a given treatment may be can be immediately determined on site.

The unit is normally pressurized by a CO₂ assembly, but any Nitrogen source will work. The standard test uses 477.5 psi (3291 kPa) applied to a stainless steel vessel of approximately 200 ml. Both a flat-faced plate and a plate of 12 1/2" radius that simulates the pipe inside casing or collars in the borehole are provided. For samples that adhere more to the plate than to the filter paper, stainless steel micro-corrugation disks are provided. For convenience, a stainless steel carrying case is available as an optional item.

Tamaño: 6 x 6 x 18 plg (15.2 x 15.2 x 45.7 cm)
Peso: 26 lbs (11.8 kg)

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