PRODUCT DESCRIPTION
PBS Plug is a surface-mixed, pump able plugging material, formulated to provide a rigid cross-linked gel structure. PBS Plug 500 and PBS Plug 2000 contain sized particles of borate mineral salts and special polymers which provide formulating flexibility to meet various formation requirements in lost circulation applications.
PHYSICAL & CHEMICAL PROPERTIES
| Appearance | Brown Powder |
| Specific Gravity | 1.2g/m3 |
| Solubility | Insoluble in water |
APPLICATION
PBS Plug is a unique system whose main application is the control of lost circulation. The final consistency of the PBS Plug also allows it to be easily drilled after the chemical setting reaction has been completed. Calcium chloride may also be added as a secondary accelerator to modify the PBS Plug shear strength for the following applications:
- Open Hole Cement Retainer
- Pre-Cement Pad
- Profile Modification
- Consolidating Cement Material
- Kick-off Plug
RECOMMENDED TREATMENT
The base density for 100 lb/bbl of PBS-Plug is 10.1 lb/gal, but weights up to 17.0 lb/gal, can be achieved with the addition of barite or other inert weighting material.
| Product | Raw Material | Functions |
| PBS Plug (500) | Blend of polymers and 500 micron borate salt | Viscosity, filtration control, bridging |
| PBS Plug (2000) | Blend of polymers and 2000 micron borate salt | Viscosity, filtration control, bridging |
PACKAGING
PBS-PLUG (500 - 2000) is available in 50 lb (22.7 kg) sacks, palletized as 40 sacks per pallet.
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