Oil Well Cement

Oil Well Cement as the name suggests, is used for the grouting of the oil wells, also known as the cementing of the oil wells. This is done for both, the off-shore and on-shore oil wells.

As the number of oil wells in India is increasing steadily, the sales of Oil Well Cement have also increased. This has boosted the Indian cement industry to a large extent.

Oil Well Cement is manufactured from the clinker of Portland cement and also from cements that have been hydraulically blended. Oil Well Cement can resist high pressure as well as very high temperatures. Oil Well Cement sets very slowly because it has organic 'retarders' which prevent it from setting too fast. It is due to all these characteristics that it is used in the building of the oil wells where the pressure is around 20,000 PSI and the temperature is around 500 degrees Fahrenheit.

There are 3 grades of Oil Well Cements. Grades O is ordinary and is used commonly; HSR is high sulphate resistant; and MSR is moderate sulphate resistant. Each grade is used where it is applicable at a particular range of oil well sulphate environments, temperatures, pressures, and depths. Oil Well Cement has proved to be very beneficial for the petroleum industry due to its characteristics. For it is due to the Oil Well Cement that the oil wells function properly.

The various raw materials required for the production of Oil Well Cement are:

  • Limestone
  • Iron Ore
  • Coke
  • Iron Scrap
The major companies manufacturing Oil Well Cement in India are:

  • ACC
  • Gujarat Ambuja
  • India Cement Ltd.
  • Grasim Industries and Ultra Tech
  • J K Cement


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