Co2 corrosion, prediction, oil and gas production systems. The data is from experiments with low content of iron ions in the water phase, and the model is thus regarded to give a fair representation of the maximum corrosion rate in a co2 corrosion controlled system. It can be used to run 3 dependent factors, 3 level experiment with only 16 number of running. Numerical and experimental investigation of co2 corrosion sudan. Review of corrosion management for offshore oil and gas processingcapcis limited for the health and safety executive, uk. The norsok committee has released a new revision, revision 5, of the norsok m001 materials selection standard. Corrosion rate is defined as the speed at which any metal deteriorates due to exposure to a specific environment. Norsok m506, edition 3, june 2016 is now ready for industrial enquiry, with the deadline for comments 20160915. Avoiding common pitfalls in co2 corrosion rate assessment. Apr 15, 2017 corrosion rate calculation corrosion rates are usually expressed as a penetration rate in inches per year or melts per year mpy where a melt 103 inches.
Bp cassandra was internally distributed in bp and it includes a ph calculation considering co2 content, temperature and full water chemistry. Corrosion rate prediction, co 2 corrosion, corrosion, computer software, model, pipeline. The norsok standard m506 is used by the norwegian operators and authorities for. The ultimate software solution for corrosion prediction tm quantify prediction of worst case corrosion rate and pitting potential correlate flow effects with corrosion rate based on extensive lab data and flow modeling access real labdata used to support system decisionmaking and analyses flow modeling and wall shear stress computation. A description of the calculation model, the algorithms and the conditions for the corrosion rate calculations are given. Traditional co2 corrosion prediction and co2 corrosion modeling software are limited in their capability to the prediction of the corrosion rate only, without due consideration to the co2 corrosion control strategy under the prevailing operating conditions of a pipeline or production tubing. Norsok m506 is a recommended practice for calculation of corrosion. Prediction of co2 corrosion rate is often regarded as the backbone of. Corrosion rates are usually expressed as a penetration rate in inches per year or melts per year mpy where a melt 103 inches. To calculate co2 corrosion rates a corrosion prediction model is required. Norsok m001 revision 5 materials selection about corrosion. Other input parameters prediction of some of the input parameters fugacity of co2. This norsok standard, which is a recommended practice, contains. Norsok model has been coupled to thermal and hydraulic models to predict.
Evaluation of field data and comparison of prediction models, corrosion2006, paper no. Coupling norsok co 2 corrosion prediction model 711 journal of engineering science and technology december 2011, vol. Honeywell has developed a suite of corrosion prediction tools that are offered as individual software. Users of bp cassandra excel file have migrated to cloud. Development of a computer software for determining the corrosion. Norsok m506 is a recommended practice for calculation of corrosion rates in hydrocarbon production and process systems where the corrosive agent is co2, the model is used in oil and gas industry. Analyses corrosion prediction software for co2 corrosion. In this section we will present and analyze results of the code for co 2 corrosion in an elbow and a. Choose from three commonly used co2 corrosion models. Prediction equations for corrosion rates of a a537 and a.
Cassandra was bps implementation of the dewaardmilliams co2 corrosion model including bp experience in using this model. The prediction can be carried on by selecting one of many empirical and mechanistic models that developed for corrosion rate prediction. Numerical and experimental investigation of co2 corrosion. One example is corrosion inhibitor efficiency, where norsok m001 provides maximum allowable values, while the computer program accepts all values from 0 % to 100 %. Currently, a number of software packages exist to predict co2 related corrosion rates, which are developed from mechanistic empirical or semiempirical models. Honeywells corrosion prediction solutions support accurate, quantifiable corrosion prediction and material selection decisions. Existing models for co2 corrosion prediction were accessed. Co2 corrosion prediction by use of the norsok m506 model. The software is based on extensive laboratory data. Predictive model for co 2 corrosion engineering in wet.
Webcorr has nace certified corrosion specialist providing corrosion simulation, corrosion prediction, and corrosion modeling services and software for the chemical process, the marine, the oil and gas and other industries. The effects of various conditions such as temperature and ph value on corrosion rates has been analyze. Top of line corrosion primarily occurs in wet gas systems when water vapor condenses on the internal walls of the pipeline due to the heat exchange occurring between the pipe wall and the colder ambient medium. No other co2 corrosion prediction software offers this feature. Norsok m506 co2 corrosion rate calculation published.
The icmts latest release, the transient mechanistic co 2 corrosion prediction software package multicorp v4. Mechanistic models, which attempt to capture the electrochemical processes that govern corrosion formation, including mass transport, diffusion, gas and liquid flow, and electrolyte formations. An effective internal corrosion rate prediction model for the. Norsok m506 co2 corrosion rate calculation model on. Norsok m506 is a recommended practice for calculation of corrosion rates in hydrocarbon production and process systems where the corrosive. Ece 5, corrosion prediction software trial version predict 6. Content management software standards management standardswatch.
It comprises software that combine extensive laboratory data from joint industry programs jips with stateoftheart phase behavior modeling and multiphase flow technology. Corrosion prediction software and corrosion modeling software. In additions, methods and algorithms for calculation of essential input parameters to the corrosion rate calculations are given. The users interface of the computational co2 corrosion rate prediction software. The data is from experiments with low content of iron ions in the water phase, and the model is thus regarded to give a fair representation of the maximum corrosion rate in.
Corrosion prediction software and corrosion modeling software for life prediction,materials compatibility assessment,asset integrity management and process optimization. Multicorp plugin modules such the topcorp v3 for topoftheline corrosion, wwcorp v1 for accurate prediction of water wetting, are also available. Development of a computer software for determining the. Secure pdf files include digital rights management drm software. Predictive model for co2 corrosion engineering in wet natural. The model can lead to underprediction of the corrosion rate when the total content of organic acids exceeds 100 ppm and the co2 partial. A webbased software for prediction of the internal. Pdf development of a computer software for determining the. Norsok m506 co2 corrosion rate calculation model on public enquiry. Pdf development of a computer software for determining. One of these models is norsok model, an empirical model. Norwegian standard for co2 corrosion prediction in straight pipes. Norsok m506 latest issue 2017 bp cassandra a discontinued proprietary model from bp freecorp by ohio university. Experience the industrys first crossplatform and deviceindependent co2 corrosion modeling and prediction application on your ipads, tablets, smart phones, notebooks and desktops, at any time and anywhere, in.
Avoiding common pitfalls in co2 corrosion rate assessment for. The flow regime supports prediction of oil or water wetting of the pipe. Corrosion usually occurs because the general tendency of metals is to. The corrosion rate is expressed by the equation, by using a specimen in a corrosive environment for a predetermine time frame. A webbased software for prediction of the internal corrosion. The olga corrosion module predicts corrosion rate along a pipeline based on variation in temperature, pressure, flow velocity, and flow regime.
Architecture and design of corrosion prediction software. Mechanistic model of co 2 and h2s corrosion mechanism. An effective internal corrosion rate prediction model for the wet natural gas gathering pipeline abstract. A new way to managing the digital context of the physical product is required and the answer is the digital twin.
All comments must be submit through standards for enquiry. Corrosion rate calculation mechanical engineering site. Analyses corrosion prediction software for co2 corrosion of. The result reveals that norsok corrosion prediction software with second order model regression has 98 % of coefficient determination. Software co2h2s gas wells corrosion rate prediction sjones petroleum 26 jan 08 06. It is expensive, both in terms of the potential tremendous economic costs that can arise from unexpected failures, environmental damage and so forth, but also the high cost of maintenance and repair associated with the life extension of plant equipment and service. Cassandra corrosion prediction model corrosion engineering. Currently, this model is capable of predicting uniform corrosion of carbon steel at a single point in an environment containing carbon dioxide, acetic acid, oxygen, andor hydrogen sulfide. The corrosion model prediction software consists of freecorp, norsok, cassandra and ece. Many new chemical formulations and technologies as well as corrosion prediction tools were employed to detect and mitigate internal corrosion of pipelines, however, the statistics showed that the pipeline incidents in alberta, canada due to internal corrosion from 2001 2002 has not reduced compared to an average from 19802002. Norsok standard m506 co2 corrosion rate calculation model. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing.
Norsok m506 corrosion model developed by norwegian oil companies. Prediction equations for corrosion rates of a a537 and a516. Corrosion the corrosion of materials is often a life limiting process that affects almost all materials. How to make a reasonable prediction to the corrosion in the pipes and how to make an accurate judgment to those corrosion sensitive areas are urgent. This edition will, when approved and published, replace norsok m506 rev. Capability to perform batch run for a set of experimental data. The oil and gas industry uses co2 corrosion rates to determine the suitability of carbon steel as material of construction of wells, pipelines and processing equipment. Norsok m506 co2 corrosion rate calculation model on public. This paper describes limitations and guidance for use of the model in different conditions and for different systems. Carbon dioxide co 2 is one of the major gases of concern in ethane feeder pipeline since it presence will induce corrosion which then damage the pipeline. Similarly to iso 21457, norsok m001 provides guidance and requirements for material selection and corrosion protection for hydrocarbon production and processing facilities as well as supporting systems for fixed offshore. In case of conflict, norsok m001 shall apply when selecting materials. This norsok standard presents a method for calculation of corrosion rates in hydrocarbon production and.
An effective internal corrosion rate prediction model for. Norsok m501 surface preparation and protective coating norsok m503 cathodic protection norsok m506 co2 corrosion rate calculation model norsok m601 welding and inspection of piping norsok m622 fabrication and installation of grp piping systems norsok m630 material data sheets for piping. Honeywells corrosion prediction, monitoring and modeling solutions support accurate, quantifiable corrosion prediction and material selection decisions. Ethane feeder pipeline corrosion rate prediction analysis. Oct 20, 2014 the norsok committee has released a new revision, revision 5, of the norsok m001 materials selection standard. To validate the predicted corrosion rates, various industryaccepted corrosion models were used. The software is based on extensive laboratory data from joint industry programs jips. Co2 corrosion prediction models to the developed code software. As illustrated in the aforementioned results, developing a mechanistic erosion corrosion model involves accounting for the competition between the deposition rate of iron carbonate by corrosion and its removal rate from erosion. No international guidelines or standards exist for corrosion prediction. Users of bp cassandra excel file have migrated to cloud solutions.
The ultimate software solution for corrosion prediction. As the liquid condenses on the internal pipe wall, the concentration of. Drm is included at the request of the publisher, as it. The norsok m506 is an empirical model based on experiments undertaken in a single phase water flow loop. Quality assurance in corrosion protection of multiphase lines. Co 2 corrosion prediction carbon dioxide co 2corrosion of carbon steel components used in production facilities is one of the most severe problems encountered by the oil and gas industry. Corrosion engineers and users can contact the honeywell and request a demo to download honeywell corrosion software free of charge. Norsok m506 model was carried out by incorporating a. Remedies for this problem include facilities design, materials selection, use of corrosion inhibitors, and modifying operating practices. By contrast, the internal corrosion of wet gas mines gathering pipeline is much severe than general gas gathering pipeline, internal corrosion of gas gathering pipeline will impact the safety of equipment and the reliability of pipeline. The norsok corrosion model is then used to calculate the corrosion.
The company specialises in corrosionmonitoring instrumentation, testing and consulting services and predictive software and corrosion research. The purpose of this study is to determine the corrosion rate using norsok m506 commercial software prior to comparing corrosion rate with international standard, identify optimum level to control corrosion rate, and analyse the relationship. Software co2h2s gas wells corrosion rate prediction. The norsok standard m506 is used by the norwegian operators and authorities for prediction of co2 corrosion.95 669 1572 566 1494 1581 1097 522 1153 912 1201 264 443 1356 745 963 876 1421 1374 1387 481 399 1081 329 266 719 585 1433 153 1576 727 169 243 737 1248 1326 838 1017 343 1362 539 915 951 170 122 1444