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ASTM G170-06(2020)e1
Standard Guide for Evaluating and Qualifying Oilfield and Refinery Corrosion Inhibitors in the Laboratory (Includes all amendments and changes 12/10/2020).
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STANDARD published on 1.11.2020
The information about the standard:
Designation standards: ASTM G170-06(2020)e1
Publication date standards: 1.11.2020
SKU: NS-1013302
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM G170-06(2020)e1 :
Keywords:
emulsion tendency, foaming tendency, high-temperature, high-pressure, inhibitor evaluation, jet impingement, laboratory methodologies, multiphase, rotating cage, rotating cylinder,, ICS Number Code 75.020 (Extraction and processing of petroleum and natural gas)
Additional information
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5.1?Corrosion inhibitors continue to play a key role in controlling internal corrosion associated with oil and gas production and transportation. This results primarily from the industrys extensive use of carbon and low alloy steels, which, for many applications, are economic materials of construction that generally exhibit poor corrosion resistance. As a consequence, there is a strong reliance on inhibitor deployment for achieving cost-effective corrosion control, especially for treating long flowlines and main export pipelines 5.2?For multiphase flow, the aqueous-oil-gas interphases can take any of an infinite number of possible forms. These forms are delineated into certain classes of interfacial distribution called flow regimes. The flow regimes depend on the inclination of the pipe (that is, vertical or horizontal), flow rate (based on production rate), and flow direction (that is, upward or downward). The common flow regimes in vertical upward flow, vertical downward flow, and horizontal flow are presented in Figs. 1-3 respectively (2, 3). 5.14?To develop an inhibitor selection strategy, in addition to inhibitor efficiency, several other key performance factors need to be evaluated: (1.1?This guide covers some generally accepted laboratory methodologies that are used for evaluating corrosion inhibitors for oilfield and refinery applications in well defined flow conditions. 1.2?This guide does not cover detailed calculations and methods, but rather covers a range of approaches which have found application in inhibitor evaluation. 1.3?Only those methodologies that have found wide acceptance in inhibitor evaluation are considered in this guide. 1.4?This guide is intended to assist in the selection of methodologies that can be used for evaluating corrosion inhibitors. 1.5?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory requirements prior to use. 1.7?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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