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Keywords: corrosion inhibitor
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Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205032-MS
... protection of casing materials and CT strings [ 1 – 3 ]. The staged ACI treatment concept recognizes that current methods, which employ a fixed concentration or dosage of the corrosion inhibitor, may not be optimal in terms of their efficiency of corrosion protection. The concept recognizes...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205475-MS
... ( Table 1 ). A higher value for R n indicates a lower corrosion rate. Figure 3 Effect of stirring on ENM results Table 1 Values used to create Figure 3 together with averages and numerical values for the range Abstract ‘Green’ corrosion inhibitors derived from plant...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190906-MS
... flowline corrosion riser corrosion corrosion conference Exhibition corrosion process Shear Condition Subsurface Corrosion corrosion inhibitor corrosion rate impingement test Aberdeen test piece cylinder electrode brine wall shear stress laboratory testing electrode ultra high shear...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190909-MS
... Abstract Laboratory-based assessments of corrosion inhibitors for chemical qualification generally rely on approaches designed to replicate all key aspects of the corroding environment (ppCO 2 , field crude, brine composition, system temperature, pressure, wall shear, etc.). However, the time...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190899-MS
... ppm C 1545 16 200 ppm D 0906 *Baseline sample taken prior to the commencement of the corrosion rate monitoring. Solids The CMCs of four commercial corrosion inhibitor formulations were determined in 1 M NaCl with the micelle detection approach described and determined to be ≤ 100...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179942-MS
... in the presence of HAc and MEG in CO 2 saturated environment were investigated at 25°C and 80°C using 3.5% wt. NaCl solution in a semi-circulated loop setup. Weight loss and electrochemical measurements using linear polarization resistance (LPR) were used to evaluate the efficiencies of two corrosion inhibitor...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179944-MS
...: Estimation of the corrosion rates and corresponding wall loss for the time period between October 2011 and November 2013; Evaluation of the effectiveness of the applied corrosion inhibitor – this had been injected continuously into the multiphase flow stream; the review evaluated the parameters below...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179939-MS
.... Strictly anoxic conditions are crucial for evaluating efficiency and degradation of corrosion inhibitors because dissolved oxygen may interfere and even react with corrosion inhibitors under production temperatures and pressures. Flow-through corrosion tests were performed for 3 weeks at 200 °C and 1,380...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179941-MS
... to corrosion and erosion under extremely high shear conditions, and how effectively (or not) film-forming corrosion inhibitors perform. The application of these advanced laboratory techniques is currently playing a vital role in evaluating suitable methods for preventing corrosion under very challenging...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179929-MS
... integrity corrosion rate partial pressure horizontal well deposit Upstream Oil & Gas co 2 reaction nipple society of petroleum engineers riser corrosion Brine Beaker Test oxygen fracture stimulation metallurgical lab corrosion inhibitor observation well pressure data recorder Drilling...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179928-MS
... criteria acid concentration Corrosion Testing Modeling & Simulation Subsurface Corrosion corrosion inhibitor acid system completion corrosion coupon magnification Introduction Acidic fluids are routinely pumped in oil and gas wells during both matrix stimulation and fracture acidizing...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179948-MS
... of a corrosion inhibitor solution to protect Ti alloys against HF-acid attack is presented. Different metallurgical specimens (Ti, chrome, carbon (low or high) steel) were exposed to an HF-acid fluid based on a sodium-containing aminopolycarboxylic acid (APCA-Na) chelating agent. The Ti specimens (Grade-1...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 12–13, 2014
Paper Number: SPE-169612-MS
... Abstract Addition of halides (KCl, KBr and KI) to corrosion inhibitor systems is intended to enhance their inhibition efficiency due to the synergetic effect. Halides ions have been proven to be good corrosion inhibitor intensifiers in acidic or basic media and for both steel and aluminum...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 12–13, 2014
Paper Number: SPE-169640-MS
...) was employed to allow highly accurate determination of the fluid velocity profile as well as the magnitude of localised wall shear stress. This was so as to assess the efficiency of the applied corrosion inhibitor and to provide a means of well management to avoid exceeding erosional velocities. In addition...

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