High Pressure High Temperature (HPHT) refers to conditions where both pressure and temperature are significantly elevated, often used in scientific and industrial processes. This environment is crucial for simulating the natural conditions found deep within the Earth, where diamonds and other minerals form. HPHT techniques are also employed in the production of synthetic diamonds and in various materials research. In the oil and gas industry, HPHT conditions are encountered during drilling operations in deepwater and ultra-deepwater wells. These extreme conditions can affect the behavior of hydrocarbons and require specialized equipment and techniques to ensure safety and efficiency. Understanding HPHT is essential for advancing technology in these fields.