API RP 520-2 pdf download.Sizing, Selection, and Installation of Pressure-relieving Devices in ReÞneries Part II-Installation 1 Scope This recommended practice covers methods of installation for pressure-relief devices for equipment that has a maximum allowable working pressure (MAWP) of 15 psig (1.03 bar g or 103 kPA) or greater. Pressure-relief valves or rupture disks may be used independently or in combination...
API RP 70 pdf download.Security for Offshore Oil and Natural Gas Operations 1 Scope, Purpose and Objective This publication is intended to assist the offshore oil and natural gas drilling and producing operators and contractors in assessing security needs during the performance of oil and natural gas operations. The offshore oil and natural gas indus- try uses a wide variety...
API MPMS 4.2 pdf download.Manual of Petroleum Measurement Standards Chapter 4—Proving Systems 1.2 DISPLACEMENT PROVER SYSTEMS All types of displacement prover systems operate on the principle of the repeatable displacement of a known volume of liquid from a calibrated section of pipe between two detec- tors. Displacement of the volume of liquid is achieved by an oversized sphere or a...
API PUBL 4730 pdf download.Groundwater Remediation Strategies Tool Estimation of mass flux across one or more transects through an affected groundwater plume involves the following principal steps: 1. Characterize Plume Concentrations: For each selected plume transect, sufficient groundwater sampling points must be available to define i) the full width and thickness of the plume and ii) the distribution of contaminant...
API Publication 4730 pdf download.Groundwater Remediation Strategies Tool 2.0 GENERAL GROUNDWATER REMEDIATION PROCESS (FLOWCHART 1) This groundwater remediation process works by estimating the baseline mass flux and remediation timeframe for various transport compartments, and then evaluating how different remedies reduce the mass flux and remediation timeframe in each transport compartment. The effects of an upgradient remedial action (such as remediating...
API RP 2003 pdf download.Protection Against Ignitions Arising out of Static, Lightning, and Stray Currents 1 Scope This recommended practice presents the current state of knowledge and technology in the Þelds of static electricity, lightning, and stray currents applicable to the prevention of hydrocarbon ignition in the petroleum industry and is based on both scientiÞc research and practical experience. Further-...
API PUBL 4731 pdf download.Light Non-Aqueous Phase Liquid (LNAPL) Parameters Database 1.1 Database contents The LNAPL Parameters Database is a collection of information about samples that have had their capillary parameters determined, as well as other physical parameters measured. Capillary properties are critical in multiphase calculations, and those results have very high sensitivity to these properties. Capillary properties are sparsely...
API STD 613 pdf download.Special Purpose Gear Units for Petroleum, Chemical, and Gas Industry Services 1.5 DEFINITION OF TERMS 1.5.14 maximum allowable speed (in revolutions per minute) is the highest speed at which the manufacturer’s design will permit continuous operation. 1.5.15 maximum continuous speed (in revolutions per minute) is the speed at least equal to 105% of the rated pinion...
API 613 pdf download.Special Purpose Gear Units for Petroleum, Chemical, and Gas Industry Services 1 General 1.1 SCOPE This standard covers the minimum requirements for spe- cial-purpose, enclosed, precision single- and double-helical one- and two-stage speed increasers and reducers of parallel- shaft design for petroleum, chemical and gas industry ser- vices. This standard is primarily intended for gear units that...
API Std 537 pdf download.Flare Details for General Refinery and Petrochemical Service 3 Definition ofTerms Terms used in this Standard as they relate to flares are defined in 3.1 through 3.68. 3.1 air seal: A device used to minimize or eliminate the intrusion of air back into the riser from the exit. 3.2 assist gas: Fucl gas that is added...