本推荐规程适用于现有API 15S资产的完整性管理，包括威胁识别、潜在故障模式识别、风险评估、测试要求、初始和持续检查实践、端部配件和联轴器检查、潜在缓解措施、维修和相关文件。

This recommended practice is for integrity management of an existing API 15S asset including threat identification, identification of potential failure modes, risk assessment, testing requirements, initial and ongoing inspection practices, end-fitting and coupling inspection, potential mitigations, repair, and associated documentation.