1-20 of 77
Keywords: concentration
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205048-MS
... was performed for both field samples and a series of standard samples. The obtained spectra were processed for calibration and prediction. In the calibration, a series of standard solutions with a wide range of CI concentrations were analyzed by TD. The CI residual concentration of field samples...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205038-MS
... with fluid streams with different ions and concentrations that might cause scale precipitation. The scale precipitation, will thereafter, affect the fluid flow characteristics. Many problems will be raised by the scale deposition that affects the overall petroleum production. This paper aims to develop...
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-205042-MS
...) and Tsujikawa–Hisamatsu electrochemical method (THE). The testing was performed at ambient temperature and pressure to mimic the topside injection system conditions. The tested oxygen scavengers differed in bisulfite concentration (OS-A, 341 g/L; OS-B, 328 g/L; OS-C, 750 g/L) and pH (pH 3, 6 and 5, respectively...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205044-MS
... in these properties leads to change in pipe degradation rate. There is a need to study the effect of individual factors, for expecting the drill pipe series life and to find a solution to this challenging problem. This research aims to evaluate the influence of real rock cuttings sizes and concentration as well as we...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205037-MS
... taking place in the bioreactors ( Figure 3 ). Figure 3 Dissolved sulfide concentration (mM and ppm). A: dissolved sulfide concentration at the inlet (triangles) and the outlet sampling points (circles). Each line represents the measurement of one bioreactor over time. B: the differential sulfide...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205041-MS
.... Since the corrosion rate in lower oxygen concentrations (ppb order of magnitude) may result in corrosion rates of the same order of magnitude than in higher oxygen concentrations (ppm order of magnitude) when comparing and analysing results from experimental, semi-empirical or mechanistic approaches...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 16–17, 2021
Paper Number: SPE-205475-MS
..." inhibitors) that this ENM approach has a lot to offer. flowline corrosion health & medicine pipeline corrosion oilfield chemistry well integrity riser corrosion water management production chemistry corrosion management enm thickness electrochemical noise concentration experiment...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190902-MS
... and synthetic fluids, residual determination in field samples using liquid-chromatography mass-spectrometry (LC-MS), field implementation and confirmation of appropriate actions. Upon completion of the investigation it was found that the intended corrosion inhibitor active components were not concentrating up...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190911-MS
... process system. Corrosion Inhibition oilfield chemistry flowline corrosion materials and corrosion Upstream Oil & Gas H2S management EDDM Production Chemistry production output Corrosion Management concentration Pipeline Corrosion riser corrosion corrosion inhibitor separator...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190907-MS
... and have been reported in a number of experiments where fresh abraded steel surfaces are exposed in environments with high concentration of dissolved corrosion products. This paper presents results from experiments where the protective properties of iron carbonate films were studied when the armour steel...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190914-MS
.... Production Chemistry H2S management resistance chloride content Corrosion Inhibition complex reservoir Corrosion Management material selection oilfield chemistry Upstream Oil & Gas concentration Well Environment HPHT high pressure high temperature cost effective material selection specimen...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190889-MS
... the pressure maintenance. The circulated high-saline water (~ 20% salt) contains not only ~60-90 mg/L sulfate, but also a microbial burden originating from the produced reservoirs. To mitigate the risk of H 2 S formation and MIC a continuous injection of 70 ppm formaldehyde (active concentration) (with weekly...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190909-MS
... and corrosion riser corrosion Corrosion Management inhibitor pre-corrosion duration Pipeline Corrosion Subsurface Corrosion H2S management concentration flowline corrosion aqueous phase composition pre-corrosion time LPR corrosion rate inhibitor performance ambient pressure generic quaternary...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190908-MS
... expression plastic bio-molecular scavenger concentration reduction bio-molecular non-corrosive hydrogen sulfide scavenger enzyme sulfide concentration Corrosion Management Brine Sulfide compatibility scavenger society of petroleum engineers Introduction Reservoir souring occurs...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, June 18–19, 2018
Paper Number: SPE-190899-MS
..., and filtration to 0.45 μm, of the 1 M NaCl solution prior to use to negate the sparing solubility of the salts in water. Low Water Cut Samples Abstract Typically, the concentration of corrosion inhibitor levels in field fluids is routinely monitored. Understanding the level of corrosion inhibitor can...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179921-MS
... analysis of sulphide concentrations in three phases in the test separator, indicating that the calculated total sulphide per-unit-volume in the system was correct, and the partial-pressure and three-phase concentration profiles for each well were also correct. The tool was developed so that non chemists...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179942-MS
... based chemicals (the phosphate ester and the Olei imidazoline salt) at different concentrations. Test results obtained show that the corrosion inhibitors are found to be very effective in reducing the corrosion of mild steel in the presence of HAc and MEG at different conditions tested. At 25°C...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179944-MS
...) ranged between 5.71 and 6.21 mole%, the original H 2 S content was reported as 600 ppm, the chloride level at 161,106 mg/l and the bicarbonate concentration (corrected for atmospheric sampling and reconciled to reservoir conditions) at 280 mg/l. It is important to note that at some point in 2007...
Proceedings Papers

Paper presented at the SPE International Oilfield Corrosion Conference and Exhibition, May 9–10, 2016
Paper Number: SPE-179931-MS
... and also show other side reactions. In growth experiments with original reservoir water, it was observed that some inhibitors can prevent H 2 S formation. It was concluded that very high nitrate concentrations (100 – 500 mM) are necessary for a long-term suppression of H 2 S up to 41 days. Furthermore...

Product(s) added to cart

Close Modal