... The method for corrosion rate estimation is outlined in section 7 of API 570 2 . However, without actual pipe thickness measurements, the calculation cannot be completed. Fortunately, for the newer fields drilled in the asset, a best practice is to obtain tubular operating envelopes from...

.... Corrosion testing of the metallurgy used in the completion equipment demonstrated low corrosion rates at the expected 265°F bottomhole temperature (BHT) by both DIF and breaker systems. Laboratory test results confirmed a high return permeability of 97.5% using the integrated DIF and breaker system. Three...

... and the corrosion behavior via Corrosion rate using Linear Polarization Resistance (LPR), solution properties, surface profile and corrosion product analysis are performed. Low pressure bubble test and autoclaves test are conducted under multiple variables to study the corrosion rate behavior. Fluid Analysis...

..., immediate actions were required to arrest the high corrosion rate from TLC. The actions identified were to increase operational pigging frequency (from 2-monthly to monthly), perform root cause analysis and sourced for suitable VCI as BI is not feasibility as this is an un-manned platform. Since...

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... studied under high pressure carbon dioxide (range from 80 and 120 bars) with variation in other key parameters (temperature, water partitioning and hydrogen sulfide concentration). The corrosion rates were tested using High Pressure and High Temperature (HPHT) Autoclave and measured using the techniques...

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... to below 0.05 mg/l and to lower the corrosion rate to less than 50 MPY. The corrosion rates recorded were excessively higher than this specification. This approach also has a higher tendency to promote foaming as well as corrosion. The second approach involved the use of filming amine and a phosphate...

... value. Using estimates of future corrosion rates, the analysis also estimated the remaining life of the system. The burst capacity model of DNV-RP-F101 was used, with allowance for the sizing accuracy of the inline inspection tool and for parameter and modeling uncertainties. Two methods of computing...

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... pressure CO 2 (range from 80 and 120 bars) with variation in other key parameters (temperature, water partitioning and H 2 S concentration). The corrosion rates were measured using the techniques such as linear polarization resistance (LPR), electrochemical impedance spectroscopy (EIS) and weight loss (WL...