本文件（原名RP 90）涵盖了现有海上油井环空套管压力的管理，以保持完整性和管理风险。它涵盖了一系列套管环空压力，包括热套管压力、持续套管压力（SCP）和操作员施加的压力。本文件还涉及监测、诊断测试、确定最大允许井口工作压力（MAWOP）以及海上各类井的环形套管压力文件。其中包括对风险评估方法的讨论，可用于评估环空套管压力不在MAWOP阈值范围内的个别油井情况。本文件包括适用于各种海上井类型的环空套管压力信息，包括固定平台井、水下井、混合井和泥线悬挂井。

This document (formerly RP 90) covers the management of annular casing pressure in existing offshore wells to maintain integrity and manage risk. It covers a range of casing annuli pressures including thermal casing pressure, sustained casing pressure (SCP) and operator-imposed pressure.This document also addresses monitoring, diagnostic testing, establishing maximum allowable wellhead operating pressure (MAWOP) and documentation of annular casing pressure for the various types of wells that occur offshore. Included is a discussion of risk assessment methodologies that can be used for the evaluation of individual well situations where the annular casing pressure is not within the MAWOP thresholds.This document includes information regarding annular casing pressure that is applicable to various offshore well types to include fixed platform wells, subsea wells, hybrid wells and mudline suspension wells.