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Prima-Seal (Medium and Coarse)
Product #17700 / 17900
Prima-Seal is a blend of lost circulation materials specifically formulated to cover a wide range of situations common in the occurrence of lost circulation. The two grades, Medium, and Coarse, contain a blend of granules and fibers, which act as bridging and sealing agents.
Features & Benefits
Prima-Seal is a lost circulation material, which may be used by itself or in conjunction with other lost circulation additives.
Generally, its use may be based on the following criteria:
- Prima-Seal Coarse - seals large fractures, requires large jets (16 mm or larger) or an open watercourse.
- Prima-Seal Medium - seals fine fractures and porous zones, should be used with jets larger than 10.3 mm.
Depending on the severity, the total lost circulation material concentration may be as high as 75.0 kg/m³ of whole mud.
Mixing & Handling
Prima-Seal can be mixed directly into a viscous mud with good agitation. Larger sizes will plug shale shaker screens. If re-circulation is necessary, the shale shaker should be by-passed.
However, bypassing the shaker could result in plugged jets. It is advisable to use a dust mask and eye protection while mixing all powdered products.
Physical Properties
Appearance: Yellow/brown particles
Specific Gravity: 0.9 - 1.2
Chemical Properties
Type: Blend
Solubility: Insoluble
pH: 6.8 - 8.5
Packaging & Controls
WHMIS: Not controlled
TDG: Not regulated
Packaging: 1.45 ft³ sack
This product appears in:
- Lost Circulation Materials - Oil & Gas
- Lost Circulation Materials - Geotechnical & Environmental
- Lost Circulation Materials - Geothermal
- Lost Circulation Materials - HDD
- Lost Circulation Materials - Mineral Exploration
- Lost Circulation Materials - Oil Sands Coring
- Lost Circulation Materials - Water Well
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