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Walnut (Coarse, Medium and Fine)
Product #21200 / 21400 / 21500
A lost circulation material of ground Walnut is available in three grades, fine, medium, and coarse; ranging in size from 100 mesh to 6 mesh.
Used as a lost circulation material or bridging agent due to its granular nature. Walnut is chemically inert and may be added to any mud system.
Walnut is also used as a drag reducer in deviated holes. When circulated past the tight hole section immediately prior to a trip the irregular particles are embedded in the filter cake and act as bearings to reduce the hole drag.
Mixing & Handling
As a cure for lost circulation, mix Walnut into the mud or in a lost circulation pill in concentrations of 10.0-30.0 kg/m³. It is advisable to use a dust mask and eye protection while mixing all powdered products.
Physical Properties
Appearance: Tan, granular or flour-like solid
Specific Gravity: 1.2 - 1.4
Packaging & Controls
WHMIS: Not controlled
TDG: Not regulated
Packaging: 50lb sack
This product appears in:
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