Microcement, in the context of the Oil & Gas industry, doesn't have a specific, well-defined usage. This is because microcement is typically associated with construction and architectural finishes, not directly with oil and gas operations.

However, you may find some indirect applications where microcement's properties could be beneficial in certain oil and gas scenarios:

• Corrosion Protection: The smooth, seamless surface of microcement could theoretically be used to coat equipment or pipelines in environments prone to corrosion. However, there are more established and specialized coatings used in this sector.
• Repairs and Patches: Microcement's versatility could be used for small repairs or patching of concrete surfaces in oil and gas facilities, such as platforms, tanks, or pipelines.
• Decorative Finishes: Microcement is a popular choice for decorative finishes in buildings. It might be used to create aesthetic surfaces for offices, living quarters, or other non-operational areas within oil and gas facilities.

Important Note: It's critical to remember that microcement's suitability for oil and gas applications should be thoroughly evaluated by professionals. Its compatibility with various chemicals, temperatures, and pressures needs to be considered, as well as its resistance to potential damage from oil and gas operations.

It's highly unlikely that microcement will be used as a primary material in core oil and gas operations. Its main uses in this industry are likely to be limited to specific situations, where its properties offer advantages in specific scenarios.