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1-7 of 7
Keywords: mathematical model
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Proceedings Papers
Study on the Cathodic Protection Scheme in Oil and Gas Transmission Station Based on Numerical Simulation
Available to Purchase
... mathematical model optimum design INTRODUCTION In China, the simultaneous application of both coating and cathodic protection (CP) is very popular for long oil and gas pipelines. However, for some reasons including technology, economy and people’s understanding, no CP was implemented when building many oil...
Proceedings Papers
A Permeable Coating Model for Predicting the Environment at the Pipe Surface under CP-Compatible Coatings
Available to Purchase
..., the environment under the coating will change over time. As the local environment evolves it could lead to an environment susceptible to SCC and/or corrosion. A mathematical model has been developed to predict the generation and evolution of the environment under a disbonded permeable coating as a consequence...
Proceedings Papers
Developing a Fieldwide Scale Inhibitor Squeeze Program: Simulation and Optimization
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... in a large central California steam drive oil field. In the past, formation squeezes with scale inhibitors have given inconsistent results in mitigating scale deposition. A mathematical model was used to simulate scale inhibitor residual data from a squeeze treatment. The effects of variables...
Proceedings Papers
Case Studies of Parallel Anode CP Systems for Pipelines Using Two-and Three-dimensional B.E.M. Computer Simulations
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... for coated pipelines. The mathematical model accounts for the current and potential distributions associated with discrete holidays on coated pipelines that expose bare steel to the environment. Case studies have been selected to show conditions under which a given CP system will and will not protect...
Proceedings Papers
Current and Potential Distribution on a Coated Pipeline with Holidays: 2. a Comparison of the Effects of Discrete and Distributed Holidays
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... between the percentage of pipe that is expected to be bare and the “effective” coating efficiency that can be used to design the cathodic protection system. cathodic protection mathematical model current and potential distribution coated pipelines with holidays INTRODUCTION The need to consider...
Proceedings Papers
Current and Potential Distribution on a Coated Pipeline with Holidays: 1. Model and Experimental Verification
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... Formulae 1 , 2 Calculation by Newman 3 Calculation Presented Here Holidays as in: Figure 2c Yes Yes Yes Figure 2b No No Yes Figure 2a No No Yes Predicts Potential Variation On Pipe No Yes Yes SCOPE OF WORK A mathematical model is presented...
Proceedings Papers
Calculation of Seawater Ph at Polarized Metal Surfaces with Calcareous Deposits and Biofilms
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.../cm2. Measured pH values were higher than calculated at 100 μA/cm2, with the difference being due to hydrogen evolution. pH cathodic protection seawater biofilm calcareous deposit mathematical model INTRODUCTION Cathodic protection has long been recognized as an effective...
