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3M™ Glass Bubbles HGS19K46

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  • Successfully and predictably reduces the control fluid density
  • Prevents or minimizes fluid loss/lost circulation and formation damage
  • Incompressible and more homogeneous control fluid properties compared with foamed and aerated systems
  • Eliminates the need for specialized equipment used in foamed and aerated systems
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3M™ Glass Bubbles HGS19K46 are hollow glass spheres designed for use in drilling, completion, and workover fluids, as well as cement slurries for the oil and gas industry. With a nominal density of 0.46g/cc and an isostatic crush strength of 19,000 psi (pounds per square inch), HGS19K46 are wellsuited for use in deep to ultra-deep wells.

What are 3M™ Glass Bubbles?
3M™ Glass Bubbles HGS Series are engineered hollow glass spheres made from water-resistant and chemically-stable soda-lime-borosilicate glass. The use of 3M glass bubbles HGS Series as density reducing agents in well construction applications offer the potential for:

  • Reduced Non Productive Time (NPT)
  • Improved well integrity
  • Increased well productivity

When drilling and cementing across highly depleted zones and weaker formations, low density systems are required to prevent or minimize fluid loss/lost circulation, formation damage and other problems associated with excessive overbalance conditions. Our 3M glass bubbles offer stability by maintaining target pressures with greater reliability throughout the drilling process. Minimizing the differential pressure (bottom hole pressure minus reservoir pressure) is essential for the success of any drilling operation.

3M™ Glass Bubbles HGS19K46 in Cementing
3M glass bubbles HGS19K46 added to light weight cement slurries help prevent problems associated with excessive overbalance, including reduced top of cement (TOC) and thus the need for remedial squeeze. Additional benefits include the potential for:

  • Reduced wait-on-cement (WOC)
  • Reduced need for multi-staging

When compared with other microspheres, cementing with HGS19K46 in deep to ultra-deep offers:

  • Consistency batch-to-batch and location-to-location
  • Greater density reduction capacity (cement slurry density values below 9.0 lb/gal (1.1 Kg/l) have been achieved)

3M™ Gla

  • Successfully and predictably reduces the control fluid density
  • Prevents or minimizes fluid loss/lost circulation and formation damage
  • Incompressible and more homogeneous control fluid properties compared with foamed and aerated systems
  • Eliminates the need for specialized equipment used in foamed and aerated systems
  • Potential for reduced Non Productive Time (NPT), improved well integrity and increased well productivity
Specifications
Brand
3M™
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.46
Industries
Cementing and Drilling Fluids
Net Weight (Imperial)
798 lb.
Net Weight (Metric)
361.967 kg
Particle Size (D50 Micron)
20
Particle Size Range (D50 Micron)
20 - 29, 20 - 29
Product Color
White
Strength (MPa)
131
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