Authorities at European Patent Office (EPO) have granted patent to Oil India (OIL) for an invention titled ‘A method for preventing wax deposition in oil wells with packers’. Securing this first-ever patent grant signifies a major milestone for OIL and especially its Research& Development (R&D) Unit, which actively develops innovative solutions to oilfield exploration and production problems and has filed few other patent applications in recent years.
The patent grant amounts to recognition of the uniqueness of the solution provided by OIL to the problem of heavy wax deposition in flowing oil wells completed with packers. Scientists at OIL have studied the problem and attributed it to phenomenon related to severe wellbore cooling caused by evaporation and condensation of liquid in the annulus, also known as 'well bore refluxing'.
Oil India, a Navratna Company, is Asia's oldest and biggest pioneer oil exploration and Production Company, while IOC is the largest enterprise in the country and the foremost ranked Fortune Global 500 Company in India and has presence in the complete hydrocarbon value chain from downstream refining & marketing, pipeline transportation, Petrochemicals, E&P and Gas Marketing.
| Company Name | CMP |
|---|---|
| ONGC | 295.25 |
| Oil India | 490.25 |
| Jindal Drilling&Inds | 572.95 |
| Deep Industries | 471.65 |
| Asian Energy Service | 293.40 |
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