HPHT environments in deepwater and ultra-deep reservoirs demand seals handling pressures over 20,000 psi and temperatures beyond 177°C (350°F). RGD resistant seals incorporate higher hardness (90-95 Shore A) to resist extrusion into clearance gaps. Backup rings or anti-extrusion elements enhance performance. Spring-energized designs like S-Seals and FS-Seals from XploR compounds provi... https://globalsealstech.com/product/rgd-rapid-gas-decompression-o-rings/