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LUBRICANTS

Lubricant additives improve drilling mud lubricating properties. Under their influence, on the friction surfaces the protective layers resistant to temperature and pressure changes are formed. Application of lubricant additives provides the following advantages:

  • 20-40% drilling progress increase per bit

  • 15-25% sticking and stuck freeing time reduction

  • Improve of protective properties of some colloids

  • Reduced deterioration of equipment, increase in its lifetime

  • Mitigating drilling string sticking risk

The operating principle of lubricant additives consists in hydrophobization of friction surfaces and inhibition of corrosion processes. This leads to formation of lubricating film, thereby the friction surface is under less specific loads, and microroughness is eliminated. Mineralization can cause deterioration of the lubricating properties, therefore right drilling mud lubricant additive helps to avoid this.