scope:

SCOPE

101. PURPOSE. This recommended practice was formulated to provide guidelines for the repair and remanufacture of safe, interchangeable wellhead and Christmas tree equipment. Technical content provides recommendations for performance, design, materials, testing, inspection, welding, marking, handling, storing and shipping. When using this RP, the API Spec 6A PSL Level for API Spec 6A 15th and later edition equipment is not maintained. For information on maintaining the API PSL Level, refer to API Spec 6A.

102. APPLICATIONS.

102.1. EQUIPMENT. This recommended practice covers the equipment utilized for pressure control systems for the production of oil and gas. Specific equipment covered in this recommended practice is listed below:

API Flanged End and Outlet Connections

API Threaded End and Outlet Connections

Top Connectors

Other End Connectors

Actuators

Valves

Casing and Tubing Heads

Casing and Tubing Hangers

Tubing Head Adapters

Chokes

Tees and Crosses

Test and Gage Connections

Fluid Sampling Devices

Christmas Trees

Crossover Connectors

Independent Screwed Wellheads

The typical equipment nomenclature used in this recommended practice is shown in API Spec 6A.

102.2. SERVICE CONDITIONS.

102.2a General. Service conditions for which the equipment will be repaired/remanufactured refer to classifications for pressure and temperature.

102.2b. Pressure Ratings. Pressure ratings indicate maximum rated working pressures expressed as gage pressure (psig).

102.2c. Temperature Ratings. Temperature ratings indicate temperature ranges from a minimum ambient to a maximum flowing fluid temperature expressed in degrees Fahrenheit (F).

103. REFERENCED STANDARDS.

103.1. General. This document includes by reference, either in total or in part, API, industry and government standards listed in API Spec 6A.

103.2. Equivalent Standards. Other nationally or internationally recognized standards may be submitted to and identified by API for use as equivalent standards.