OS G PLUG LPM - Graphite Loss Prevention Material for Drilling Mud
Loss Prevention Materials & Wellbore Strengthening
Effective wellbore strengthening requires that an adequate concentration of properly sized and shaped particles of sufficient physical strength are present in a mud as fractures are induced. The LPM can then pack the initial fracture and prevent further propagation and whole mud losses. The packed fracture then increases the hoop stress of the near wellbore and increases the apparent rock strength. OS G PLUG LPM is an ideal material for effective loss prevention.
Product Information
OS G PLUG LPM is a specific sized processed graphite that is designed especially for use in drilling muds. The specific size distribution is critical in optimising effective wellbore strengthening. OS OS G PLUG LPM is chemically inert and it is temperature stable to greater than 250oC. Additions of OS G PLUG LPM will also reduce torque and drag and reduce the instance of differential sticking. OS G PLUG LPM is REACH compliant and is a PLONOR product. OS G PLUG LPM is E.U. origin.
Typical Physical Properties
| MIN | MAX |
Carbon (LOI) | 98.00% |
|
Moisture |
| 1.00% |
Volatile |
| 1.50% |
Ash |
| 1.50% |
Sulphur |
| 0.10% |
> 850 µm |
| 2.00% |
> 300 µm | 60.00% | 85.00% |
> 180 µm | 80.00% | 98.00% |
< 150 µm |
| 20.00% |
Application
OS G PLUG LPM may be used on its own in a circulating system or in combination with sized CaCO3 at concentrations up to 40 ppb (110 kg/m3). The product can also be applied in sweeps or by spotting pills.
Packaging
OS G PLUG LPM is packaged in 25 kg sxs.

