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This recommended practice (RP) provides guidance to the API authorized inspector on welding inspection as encountered with fabrication and repair of refinery and chemical plant equipment and piping, pipelines, and other related industries. This RP includes descriptions of common welding...
This standard applies to the sizing and selection of pressure-relief devices (PRDs) used in refineries, chemical facilities, and related industries for equipment that has a maximum allowable working pressure (MAWP) of 15 psig (103 kPag) or greater. The pressure-relief devices covered in this...
This standard covers methods of installation for pressure-relief devices (PRDs) for equipment that has a maximum allowable working pressure (MAWP) of 15 psig (1.03 barg or 103 kPAg) or greater. Pressure-relief valves (PRVs) or rupture disks (RDs) may be used independently or in combination with...
This standard establishes general principles for the training of personnel for safe operations and maintenance of offshore pedestal-mounted cranes, as a companion to API 2D and API 2C. This standard also provides requirements and recommendations for personnel seeking qualification as...
This standard provides requirements for design, construction, and testing of new offshore pedestal-mounted cranes. For the purposes of this standard, offshore cranes are defined as pedestal-mounted elevating and rotating lift devices for transfer of materials and personnel to or from marine...
This standard specifies the required inspection for each level of inspection, procedures for the inspection, and testing of used drill stem elements. For the purposes of this standard, drill stem elements include drill pipe body, tool joints, rotary shouldered connections, drill collar,...
This document provides guidelines for the calculation of uncertainty for field stored and transported hydrocarbon liquids. Special emphasis is placed on the measurement uncertainty of crude oils measured at tanks, by lease automatic custody transfer (LACT), and alternative measurement systems.
This document applies to atmospheric storage tanks associated with refining, marketing, pipeline, and terminals that contain NFPA Class I or Class II liquids. This standard does not apply to: - tanks of 1320 US gallons (5000 liters) or less, unless connected to a transporter or marine delivery...
This section describes the field centrifuge method for determining both sediment and water or sediment only in crude oil. This method may not always produce the most accurate results, but it is considered the most practical method for field determination of sediment and water. This method may also...
This standard specifies the minimum requirements and terms of acceptance for the manufacture and testing of steel wire ropes for the petroleum and natural gas industries. The following products are covered by this specification: - bright- or drawn-galvanized wire rope, - well-measuring wire, and -...
This standard provides requirements for installing and maintaining safety valves. Included are requirements for receiving inspection, installation, and maintenance, field and off-site repair, testing procedures with acceptance criteria, failure reporting, and documentation. Power and control...
General Provide methodologies and processes to monitor liquid tank car movements' quantity loss/gain (L/G) ratios, level, and/or quality differences for tank car measurement systems. This document does not establish an industry standard for L/G ratios or level, but under normal operating conditions...
The scope of this document is to provide design guidelines for API 6BX style flanges utilized as end and outlet connectors in high-pressure, high-temperature (HPHT) surface and subsea applications. For this document, HPHT applications are intended to mean Flanges assigned a temperature...
This standard specifies the requirements for couplings for the transmission of power between the rotating shafts of two machines in special-purpose applications in the petroleum, petrochemical, and natural gas industries. Such applications are typically in large and/or high-speed machines, in...
This standard contains methodologies for estimating the total evaporative losses of hydrocarbons from external floating-roof tanks (EFRTs), freely vented internal floating-roof tanks (IFRTs), and domed external floating-roof tanks (domed EFRTs). The methodologies provide loss estimates for general...
General This standard covers the design, construction, and location of liquefied petroleum gas (LPG) installations at marine and pipeline terminals, natural gas processing plants, refineries, petrochemical plants, or tank farms. It also addresses the use of storage vessels, loading and unloading...
Foreword: As a matter of information, and for the guidance of manufactures and users who may require these data, this bulletin gives minimum performance properties on proposed high-strength casing joints, as developed by the API Committee on Standardization of Oil Country Tubular...
This specification provides requirements for conventional and expandable liner systems, including liner hangers, liner packers, liner hanger packers, tie-back/polished-bo
This document provides useful information and recommended practices for the maintenance and inspection of atmospheric and low-pressure storage tanks. While these maintenance and inspection guidelines may apply to other types of tanks, these practices are intended primarily for existing tanks that...
This standard describes methods of determining the seat tightness of metal- and soft-seated pressure relief valves, including those of conventional, bellows, and pilot-operated designs. The maximum acceptable leakage rates are defined for pressure relief valves with set pressures from 103 kPa gauge...
