oil and gas drilling rig in field

Pexostart 800

Multifunctional blend of nonionic/anionic polymers for creating complete water-based mud (WBM) system

Chemistry Type: Blend of polymer, natural fibers and minerals

Function(s): Drilling Fluid Additives

Pexostart 800 blend includes polymers, fibers, and minerals for a complete high-performance water-based drilling fluid system. It provides the stability, speed, and performance of an oil-based fluid system in a water-based formulation.

Key Advantages

  • Improves overall wellbore integrity by minimizing shale problems and hole enlargement
  • Penetrates and seals microfractures
  • Minimizes mud losses
  • Resistance to chemical contamination
  • Provides lubricity and reduces metal-to-metal contact
  • Can be re-used but there are no disposal problems (passed Microtox EC50 Bioassay LC50)
  • Reduces health, safety and environmental risk to rig personnel
  • Lower costs due to clean up, disposal and transportation of oil-based cuttings
Color Other
Light Grey
Physical Form
Specific Gravity
1.6 @ room temperature (RT)
Solids (by weight)
100 %

Product Availability

Asia (excl. China, incl. India), China, EMEA (Europe, Middle East, Africa), Latin America, North America, South Pacific

Contact Us for individual country availability.

Related Documents & Downloads

OMNOVA Chemical Technical Data Sheet
OMNOVA Chemical Regulatory Data Sheet
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