SX-Plus Fine drilling fluid additive lessens fluid loss for smaller particles at high or low temperatures. It is ideal for shale inhibition and wellbore stabilization, has excellent sealing characteristics, and reduces the differential pressure transfer.
SX-Plus™ Fine Drilling Mud/Fluid Additive

SX-Plus® Fine

A Smaller Solid Solution for Fluid Loss at High or Low Temperatures


SX-Plus™ Fine is a thermally stable fluid-loss additive for high- or low-temperature wells. Based on extensive lab tests and field applications, it is known that a specific particle size will seal the face of porous sands and other formations helping to reduce the differential pressure transfer. SX-Plus™ Fine graphitic particles are sized to effectively reduce fluid loss. SX-PLUS™ Fine is screened for smaller particle sizes.

SX-Plus™ Fine has a very high melting point unlike resins or gilsonite-based products. This carbon-based material has been treated at temperatures of over 600°F (315°C) providing excellent thermal stability downhole.



  • Enhances fluid loss reduction
  • Enhances shale inhibition
  • Excellent sealing characteristics
  • Controls seepage loss in weighted systems
  • Wall cake conditioner
  • Minimizes differential pressure sticking
  • Decreases friction and wear


  • Compatible with other drilling fluid additives
  • Minimizes damage to production zones
  • Broad range particle size distribution
  • Non-polluting, non-sheening
  • Does not alter mud rheological properties
  • Does not foam
  • Greatly improves lubricity of fluid
  • Meets LC50 guidelines
  • Mixes easily on location


Physical Properties

  • Specific gravity: 1.5
  • Color: Black/Gray
  • Appearance: Free flowing graphitic particle
  • Flash point: >350°F (>177°C)
  • Melting point: >500°F (>260°C)
  • Solubility: Negligible in water or oil
  • Sizing: 100% through 40 mesh, 80% through 200 mesh

Recommended Treatments

  • Preventive maintenance or moderate loss: 4 to 5 ppb (11.41 kg/m3 to 14.27 kg/m3)
  • Excessive or abnormal loss: 6 to 8 ppb (17.12 kg/m3 to 22.82 kg/m3)
  • Adjust treatment to conditions or pilot test


  • SX-Plus™ Fine is available in 50-pound bags (22.6 kg), 50 sacks per pallet.














To order SX-Plus™ Fine or for more information, call 713-690-3939 or e-mail us.

For more information, call 713-690-3939 or e-mail us.