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ASTM G184-06(2012)

(Practice)

Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage

Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage

SIGNIFICANCE AND USE
5.1 Selection of corrosion inhibitor for oil field and refinery applications involves qualification of corrosion inhibitors in the laboratory (see Guide G170). Field conditions should be simulated in the laboratory in a fast and cost-effective manner (1).4  
5.2 Oil field corrosion inhibitors should provide protection over a range of flow conditions from stagnant to that found during typical production conditions. Not all inhibitors are equally effective over this range of conditions so it is important for a proper evaluation of inhibitors to test the inhibitors using a range of flow conditions.  
5.3 The RC test system is relatively inexpensive and uses simple flat specimens that allow replicates to be run with each setup. (2-13).  
5.4 In this practice, a general procedure is presented to obtain reproducible results using RC to simulate the effects of different types of coupon materials, inhibitor concentrations, oil, gas and brine compositions, temperature, pressure, and flow. Oil field fluids may often contain sand; however, this practice does not cover erosive effects that occur when sand is present.
SCOPE
1.1 This practice covers a generally accepted procedure to use the rotating cage (RC) for evaluating corrosion inhibitors for oil field and refinery applications.  
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.  
1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Oct-2012
ICS
75.200 - Petroleum products and natural gas handling equipment
Technical Committee
G01 - Corrosion of Metals
Drafting Committee
G01.05 - Laboratory Corrosion Tests
Current Stage
Ref Project

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ASTM G184-06(2012) - Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating CageASTM G184-06(2012) - Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage
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ASTM G184-06(2012) - Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:G184 −06 (Reapproved 2012)
Standard Practice for
Evaluating and Qualifying Oil Field and Refinery Corrosion
1
Inhibitors Using Rotating Cage
This standard is issued under the fixed designation G184; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D4410 Terminology for Fluvial Sediment
1.1 This practice covers a generally accepted procedure to
3. Terminology
use the rotating cage (RC) for evaluating corrosion inhibitors
for oil field and refinery applications. 3.1 The terminology used throughout shall be in accordance
with Terminologies G15 and D4410 and Guide G170.
1.2 The values stated in SI units are to be regarded as
standard. The values given in parentheses are for information
4. Summary of Practice
only.
4.1 This practice provides a method of evaluating corrosion
1.3 This standard does not purport to address all of the
inhibitor efficiency in a RC apparatus. The method uses a
safety concerns, if any, associated with its use. It is the
well-defined rotating specimen setup and mass loss measure-
responsibility of the user of this standard to establish appro-
ments to determine corrosion rates in a laboratory apparatus.
priate safety and health practices and determine the applica-
Measurements are made at a number of rotation rates to
bility of regulatory limitations prior to use.
evaluate the inhibitor performance under increasingly severe
hydrodynamic conditions.
2. Referenced Documents
2
2.1 ASTM Standards:
5. Significance and Use
G1 Practice for Preparing, Cleaning, and Evaluating Corro-
5.1 Selection of corrosion inhibitor for oil field and refinery
sion Test Specimens
applicationsinvolvesqualificationofcorrosioninhibitorsinthe
G15 Terminology Relating to Corrosion and CorrosionTest-
3
laboratory (see Guide G170). Field conditions should be
ing (Withdrawn 2010)
simulated in the laboratory in a fast and cost-effective manner
G16 Guide for Applying Statistics to Analysis of Corrosion
4
(1).
Data
G31 Guide for Laboratory Immersion Corrosion Testing of
5.2 Oil field corrosion inhibitors should provide protection
Metals
over a range of flow conditions from stagnant to that found
G46 Guide for Examination and Evaluation of Pitting Cor-
during typical production conditions. Not all inhibitors are
rosion
equallyeffectiveoverthisrangeofconditionssoitisimportant
G111 Guide for Corrosion Tests in High Temperature or
for a proper evaluation of inhibitors to test the inhibitors using
High Pressure Environment, or Both
a range of flow conditions.
G170 Guide for Evaluating and Qualifying Oilfield and
5.3 The RC test system is relatively inexpensive and uses
Refinery Corrosion Inhibitors in the Laboratory
simple flat specimens that allow replicates to be run with each
D1141 Practice for the Preparation of Substitute Ocean
setup. (2-13).
Water
5.4 In this practice, a general procedure is presented to
obtain reproducible results using RC to simulate the effects of
1
This practice is under the jurisdiction of ASTM Committee G01 on Corrosion
different types of coupon materials, inhibitor concentrations,
of Metals and is the direct responsibility of Subcommittee G01.05 on Laboratory
Corrosion Tests.
oil, gas and brine compositions, temperature, pressure, and
Current edition approved Nov. 1, 2012. Published November 2012. Originally
flow. Oil field fluids may often contain sand; however, this
approved in 2006. Last previous edition approved in 2006 as G184 – 06. DOI:
practice does not cover erosive effects that occur when sand is
10.1520/G0184-06R12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or present.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
4
3
The last approved version of this historical standard is referenced on The boldface numbers in parentheses refer to the list of references at the end of
www.astm.org. this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
G184−06 (2012)
6. Apparatus
6.1 Fig. 1 shows the schematic diagram of the RC system.
An apparatus of suitable size (usually 7500 mL) is used,
consisting of inlet and outlet ports, thermowell, temperature-
regulating device, a heating device (mantle, hot plate, or bath),
and a specimen support system.
6.1.1 The vessel (typically 150-mm diameter) is manufac-
tured from an inert material. Cast acrylic and polytetrafluoro-
ethylene (PTFE) have been used.
6.1.2 A
...

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Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage

SIGNIFICANCE AND USE
5.1 Selection of corrosion inhibitor for oil field and refinery applications involves qualification of corrosion inhibitors in the laboratory (see Guide G170). Field conditions should be simulated in the laboratory in a fast and cost-effective manner (1).3  
5.2 Oil field corrosion inhibitors should provide protection over a range of flow conditions from stagnant to that found during typical production conditions. Not all inhibitors are equally effective over this range of conditions so it is important for a proper evaluation of inhibitors to test the inhibitors using a range of flow conditions.  
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SIGNIFICANCE AND USE
5.1 Selection of corrosion inhibitor for oil field and refinery applications involves qualification of corrosion inhibitors in the laboratory (see Guide G170). Field conditions should be simulated in the laboratory in a fast and cost-effective manner (1).3  
5.2 Oil field corrosion inhibitors should provide protection over a range of flow conditions from stagnant to that found during typical production conditions. Not all inhibitors are equally effective over this range of conditions so that is important for a proper evaluation of inhibitors to test the inhibitors using a range of flow conditions.  
5.3 The RCE is a compact and relatively inexpensive approach to obtaining varying hydrodynamic conditions in a laboratory apparatus. It allows electrochemical methods of estimating corrosion rates on the specimen and produces a uniform hydrodynamic state across the metal test surface. (2-21)  
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SIGNIFICANCE AND USE
5.1 Selection of corrosion inhibitor for oil field and refinery applications involves qualification of corrosion inhibitors in the laboratory (see Guide G170). Field conditions should be simulated in the laboratory in a fast and cost-effective manner (1).3  
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ASTM G184-06(2020)e1(Practice)
Standard Practice for Evaluating and Qualifying Oil Field and Refinery Corrosion Inhibitors Using Rotating Cage

SIGNIFICANCE AND USE
5.1 Selection of corrosion inhibitor for oil field and refinery applications involves qualification of corrosion inhibitors in the laboratory (see Guide G170). Field conditions should be simulated in the laboratory in a fast and cost-effective manner (1).3  
5.2 Oil field corrosion inhibitors should provide protection over a range of flow conditions from stagnant to that found during typical production conditions. Not all inhibitors are equally effective over this range of conditions so it is important for a proper evaluation of inhibitors to test the inhibitors using a range of flow conditions.  
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1.1 This practice covers a generally accepted procedure to use the rotating cage (RC) for evaluating corrosion inhibitors for oil field and refinery applications.  
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