Introduction
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KZGHV is a high-performance anti-collapse / wellbore-strengthening additive for water-based drilling fluids. It is designed to inhibit hydration of water-sensitive shales while providing plugging and seepage control in permeable formations (e.g., sandstones). By forming a tight, low-permeability sealing structure in the near-wellbore zone, KZGHV helps improve wellbore integrity, reduce sloughing, and support stable drilling through troublesome intervals.

Applications / Functions
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• Shale inhibition for water-sensitive / reactive shales

• Helps improve wellbore stability and reduce sloughing / washouts

• Seepage control & plugging in permeable formations to reduce filtrate invasion

• Supports cuttings transport by enhancing carrying capacity in WBM systems

Advantages
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• Strong wall-protection and anti-collapse performance for improved wellbore integrity

• Provides sealing / plugging to control seepage and stabilize weak formations

• Helps maintain a stable borehole gauge and reduce non-productive time from instability issues

• Easy to apply in typical water-based systems under field mixing conditions

Recommended Treatment
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Typical dosage: (optimize based on mud type, salinity/hardness, temperature, and lubrication target)

• 0.5–1.0%

Package
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• 25 kg sack

• Custom packaging available upon request