Corrosion Inhibitor Testing with Wheel Test NACE 1D182
In the oil and gas industry (Oil & Gas), corrosion control is an essential aspect of maintaining equipment integrity, plumbing systems, as well as production facilities. One of the methods used to evaluate chemical performance corrosion is Corrosion Inhibitor Testing using Wheel Test based on NACE Publication 1D182.
These tests are designed to evaluate abilities. film -persistent corrosion inhibitor, which is an inhibitor that forms a protective layer on the surface of the metal and maintains its protective effects after exposure to corrosive fluid without continuing adding inhibitors.
Through controlled lab evaluations, the performance of corrosion inhibitors can be compared to the state of testing, the characteristics of fluid, as well as the corrosion rate on metal specimens. That information helps the company in the process of chemical selection, the verification of inhibitors, and the development of corrosion control strategies for oil & gas industrial applications.
Corrosy Extensive Inhibitor Testing with Wheel Test
For corporate migas, chemical producers, as well as supply of corrosion control services, corrosion inhibitors can be an important part of the technical evaluation process before chemicals are used on operational applications.
Wheel Test NACE method usage 1D182 provides some of the following benefits:
- Evaluate Corrosion Protection Abilities
Testing is done by evaluating mass loss (weight loss) on metal specimens after exposure to corrosive environments. That data can be used to assess the corrosion rate and compare the performance of inhibitors on the set test conditions. - Persistance Film Evaluation
This method was specifically used to evaluate the ability of inhibitors maintaining protection on the surface of the metal after the initial treatment stage, including when the specimens were moved into a corrosive environment without adding inhibitors. - Candidate comparison Corrosion Inhibitors
The test results can help compare some formulation inhibitors based on the same test conditions. This comparison supports the chemical selection process based on lab data. - Support Technical Decisions
The test results can be one of the consideration in the selection of corrosion control programs. However, lab results don't automatically guarantee the same performance in the field because actual operating conditions can be different from the test conditions.
Data Wheel Test NACE spreadsheet specification 1D182
As a method of corrosion inhibitor evaluation for applications oilfield, Wheel Test uses a combination of test fluid, chemical inhibitors, metal specimens, and testing conditions determined in the procedure.
Here's a common picture of evaluated technical aspects:
| Testing Parameters | Technical Description |
|---|---|
| Race Method | NACE Publication 1D182 (2017) |
| Test Type | Wheel Test for film |
| Testing Destination | Evaluate inhibitors performance in corrosive testing conditions set |
| Test Speciment | Metal coupons (corrosion coupon) according to needs and testing procedures |
| Testing Media | Fluida represents the corrosive state specified in the testing protocol |
| Testing Condition | Proceeding to procedure, configuration of tools, temperature, duration, as well as established fluid states |
| Main Evaluation | Missing mass of specimens and corrosion rates calculated based on testing data |
| Interpretation of Results | Inhibitor performance comparison based on agreed state of test and evaluation criteria |
Note: The above table represents a technical aspect summary of the method, not a specific test result or statement that the entire parameter has been available as a routine service at the Power Hidea PT PT. The testing details need to be confirmed based on the project and the service scope.
Understand Corrosion Inhibitors and Persistance Movies
Corrosion inhibitors It's a chemical used to reduce the rate of corrosion on metal material when it's in an environment that potentially causes corrosion. In Oil & Gas industries, inhibitors can be used to help protect production equipment, plumbing systems, as well as facilities associated with corrosive fluid.
One of the most important characteristics in a particular inhibitor evaluation is persistent movie, which is the ability of an inhibitor layer to maintain its protective effects on the metal surface after early treatment.
This characteristic is relevant when the system needs protective protection that remains effective even though the concentration of inhibitors in fluid changes or inhibitors are not constantly added during the evaluation stage.
Therefore, testing not only considers inhibitors' ability to reduce corrosion when it's inside the fluid, but it also evaluates the remaining protection after the initial treatment stage according to the Wheel Test procedure.
Corrosion Inhibitors Tahapan with Wheel Test
Generally speaking, Wheel Test involves some of the testing stages that are being controlled by the methods and protocols used.
- Preparation Speciments and Test Fluida
Metal specimens are prepared according to procedure. Test Fluida and chemical inhibitors are determined based on the need for evaluation and testing conditions planned. - Early Treatment with Corrosion Inhibitors
Specimen are exposed to test systems containing inhibitors by procedure. This stage is used to evaluate the formation of protective layers on the metal surface. - Testing Wheel Test System
The bottle or testing container was placed on a rotating device to generate fluid movements during the specified testing period. - Persistance Film Evaluation
In a relevant procedure, specimens are moved to corrosive fluid without adding inhibitors to evaluate the ability to protect layers maintain its effects. - Cleanup and Balance Speciments
After testing, specimens are cleared following appropriate procedures, then lose the mass evaluated based on the balance. - Results and Interpretation
Mass loss data can be used to calculate the rate of corrosion. If there is a suitable data appeal, inhibitors efficiency can also be evaluated using the relevant criteria and calculations.
The sequence, duration, composition of fluid, and the condition of the testing operation must follow the agreed method. The details should not be the same for all applications.
Result Parameters and Interpretation Testing
Wheel Test results need to be interpreted based on actual data, testing conditions, as well as fixed acceptance criteria.
Some parameters that can be part of the evaluation include:
- Weight Loss - loss of mass metal specimen after testing, which was used as one indicator of corrosion.
- Corrosion Rate - the corrosion rate that counts using mass loss, surface area specimens, density material, and long exposure to suitable units.
- Corrosion Inhibitor Effective - the inhibitors efficiency that can be calculated by comparing the corrosion rate to conditions without inhibitors and with inhibitors, if the reference data is available and the testing conditions are worth it.
- Persistance Performance - the protection capabilities of inhibitors evaluated through the test stage according to procedure to assess continued protection effects after early treatment.
The result interpretation needs to consider fluid characteristics, material types, temperature, corrosive conditions, concentration inhibitors, as well as procedure consistency. The test results should not be compared directly to if the testing conditions were significantly different.
Wheel Test vs. LPR vs. Flow Loop
Besides Wheel Test, there are other methods used in corrosion inhibitors evaluation. The selection of methods depends on the purpose of testing, system characteristics, and conditions to be represented.
| Method | General Principle | Main Uses |
|---|---|---|
| Wheel Test | Expose the specimen in the spin container with the specified fluid state | Evaluate inhibitors, including capabilities persistent movie on the relevant method |
| Linear Polarization Resistance (LPR) | Electrical response measurements to estimate corrosion rates | Monitoring or evaluating corrosion rates at the appropriate measurement state |
| Flow Loop | Testing in controlled flow system | Evaluate inhibitors in a more representative stream state for specific applications |
These three methods have their principles, their qualities, their limitations. Wheel Test can't always represent all field operational conditions, whereas LPR and Flow Loop also have boundaries as well as testing purposes. The method selection needs to consider the technical needs of the project.
Corrosion Inhibitor Testing for Oil & Gas Industries Utility
The corrosion testing can support many technical needs in the oil and gas industry, among other things:
- Chemical Selection - helps compare candidates to inhibitors before being selected for specific applications.
- Evaluate Corosion Control Program - providing lab data as one of the basic evaluations of material protection strategies.
- Product Development Support - help evaluate performance formulation inhibitors in controlled testing conditions.
- Technical Documentation - providing support data for the evaluation, development, and technical decision making process.
- Operational Risk Mitigation - Help identify the performance inhibitors in relevant test conditions before the results are considered shared field data.
Lab results should be combined with operating data, actual fluid characteristics, and relevant technical evaluations to support the decision of use of inhibitors.
Corrosion Inhibitors Consultation at Power Hidea PT
PT Hidea Core provides laboratory services for sector analysis needs Oil & Gas, Including testing related fuel, lubricant, petroleum, and fluid characteristics as available services scope.
For the need for Corrosion Inhibitor Testing with Wheel Test NACE 1D182, the availability of methods, testing facilities, specimen specs, and the compatibility of scope space needs to be confirmed first based on the project's needs. This information is important for the methods used to match the purposes of the evaluation and the conditions of the targeted applications.
Contact the Power Hidea PT team to discuss the need for analysis, reference methods, and laboratory evaluation options that suit your company's technical needs.
PT Hidea Core
Oil & Gas Laboratory Testing Services
Address: Field Industries and Tekno Park, 18 Block J1, BSD, Kel.
Email: labservices@hidea.id
Phone / WhatsApp: + 62 8777-6494-5736
Discuss your testing need with the Hidea team to determine the appropriate methods and scope of evaluation.
