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Keywords: resistance
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16245
... for a proposed pipeline running in a common right-of-way with an existing powerline, the accepted technical approach is to collect powerline, pipeline and soil resistivity data, to use dedicated software to predict the pipeline voltages and then to calculate predicted AC current densities based on predicted...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16259
... is poorly configured, it can become the root cause of a very challenging, and sometimes dangerous condition – alarm fatigue. upstream oil & gas resistance machine learning classification variation artificial intelligence fit parameter alarm fatigue us government ampp retrieval system...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16267
... fillers or ceramic beads are commonly used in chemical processing, Mining/Mineral & Ore processing, Oil/gas, Power (fossil, hydroelectric, and nuclear), water/waste water, etc. These coatings provide excellent corrosion and erosion resistance for metal and concrete surfaces. EIS is a useful tool...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16555
...16555 A New, Highly Stable Corrosion Resistant Alloy for Severe Oil & Gas and CPI Environments David S. Bergstrom, Nacéra Sabrina Meck, and John J. Dunn ATI Specialty Rolled Products Natrona Heights Operations 1300 Pacific Avenue Natrona Heights, PA, 15065 USA ABSTRACT ATI has developed ATI 642...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16696
... on the critical stress intensity factor for sulfide stress cracking (K ISSC ). A common Cr-Mo high strength OCTG steel alloyed with three different Nb contents ranging from 300 to 1000 ppm is used. It was found that Nb addition allows the use of higher strength material without compromising the resistance...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16314
... Abstract UNS N08935 is a new versatile austenitic alloy with the composition 35Ni-30Fe-27Cr-6.5Mo-0.28N and a PREN of 52. It has an extreme pitting resistance which makes the grade a good candidate for O&G applications. The alloy is available in several strength levels with good ductility...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12729
... content, UNS N08825 shows an outstanding resistance to stress corrosion cracking in aqueous and acidic chloride-containing solutions. However, the molybdenum content of 2.5 to 3.5 wt.% limits its resistance to pitting and crevice corrosion in highly concentrated chloride-containing environments...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12813
... repair coating texas 77084 permission manuscript resistance exposure evaluation manufacturer 1 manufacturer 4 capacitance impedance electrochemical impedance spectroscopy manufacturer 3 Publication Division coating Houston Coating Selection for Transmission and Distribution (T&D...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12782
... ABSTRACT In High Pressure High Temperature “HPHT” wells (pressure above 690bar, temperature above 150°C) which contain CO 2 and H 2 S, operators need to select corrosive resistant materials. High strength grades are usually required to meet collapse and burst properties. The aim of the end...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12814
... ABSTRACT Duplex Stainless steel 22Cr (DSS) is one of the corrosion resistant alloys (CRA) that is used extensively in oil and gas industry for critical applications such as wet gas production flow lines and pipelines. A number of new sour oil & gas projects in the company with high...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12783
... during each turn around to prevent PTA SCC according to NACE (1) SP0170-2012. It has been known that proprietary S34751 has superior PTA SCC resistance compared with S34700 or S32100 even without Post Weld Heat Treatment (PWHT) and neutralization treatment during turn around. However, the difference...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12845
... ABSTRACT CuNi90/10 has been used for many decades as a corrosion resistant alloy for seawater applications. Its corrosion resistance mainly results from the formation of a stable, thin and very adhesive protective layer that forms in contact with seawater. The formation of this protective...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12900
... service. In this paper, an effort is made to evaluate the sulfide stress cracking (SSC) resistance of common grades of Cr-Mo and Ni-Cr-Mo steels heat treated to high strength using NACE TM0177 Method A testing. 2 This would also assist when comparing the cracking resistance of high strength, low alloy...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12763
... ABSTRACT A previously developed modeling framework has been extended to predict the general and localized corrosion of various corrosion resistant alloys (CRAs), including alloys 2507, 2535, 28, 29, S13Cr, S15Cr, and S17Cr in complex aqueous systems relevant to oil and gas production...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12846
... ABSTRACT Precipitation Hardened (PH) nickel alloys have been used extensively and successfully in the Oil & Gas Industry for many years. These materials offer high strength and outstanding corrosion resistance in many aggressive environments and they are a common selection for high...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12901
..., hyper duplex and Ni-based alloys are used. In more severe acid corrosion conditions Ni-rich austenitic grades such as Alloy 28 are used but these have less pitting resistance than the 6Mo super austenitic grades. If high mechanical strength and high pitting resistance is required hyper duplex...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12797
... chemistry H2S management ECDA Pipeline Corrosion pipeline surface polymeric coating permission manuscript strength Publication Division coating anti-corrosion barrier texas 77084 Houston riser corrosion pipeline coating resistance field performance application indirect measure...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12855
... is the difference in corrosion potentials of the individual materials in the given environment which causes galvanic currents the magnitude of which depends on the sum of all system resistances (Ohmic Law). Any assessment of the corrosion rates at bimetallic couplings needs information on the free corrosion...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12903
... ABSTRACT This paper describes the development of novel next generation fluoropolymer-based coatings for preventing fouling from a variety of inorganic and organic foulants. These coatings have demonstrated improved rapid decompression resistance and physical properties. Testing protocols...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12786
... ABSTRACT Super martensitic stainless steels are widely used in oil & gas production environments) for mitigation of general corrosion due to the presence of CO 2 in the produced fluids providing a cost-effective alternative to more expensive corrosion resistant alloys (CRA. However...

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