1-20 of 2058
Keywords: steel
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16549
... Abstract In accordance with Annex A of ANSI (1) /NACE (2) MR0175/ISO (3) 15156-2, low-alloy steel (LAS) components for oil and gas (O&G) are acceptable if they contain less than 1 wt.% Ni. As an alloying element in steels, nickel improves low-temperature toughness and hardenability...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16626
... subsurface corrosion upstream oil & gas corrosion management psia retrieval system susceptibility material protection h2s management gas production steel corrosion inhibition oilfield chemistry well integrity ampp nace threshold houston means responsibility classic paper edited...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16887
... Abstract Microstructure and strength affect hydrogen embrittlement (HE) susceptibility of martensitic steels. In order to understand their respective roles, two martensitic steels with the same chemical composition, but different strength (and or hardness) levels were selected. Incremental...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16696
... Abstract Due to their low ratio of cost versus performances, quenched and tempered (Q&T) high strength low alloyed steels are widely used as tubular goods. For several decades, steel suppliers and academics are investigating the mechanisms of sour corrosion of these materials. Several...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16726
... and corrosion well integrity upstream oil & gas fast pyrolysis ampp retrieval system biomass rights concentration steel biomass sample examination characterization compound composition renewable energy permission corrosivity means u-bend sample material protection responsibility...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16733
...) surface treatments, (3) coatings, and (4) design. flowline corrosion oilfield chemistry corrosion inhibition materials and corrosion riser corrosion well integrity artificial lift system production chemistry ampp corrosion management steel retrieval system spencer rd responsibility...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12734
... and supported on a fiberglass rod in a concrete base. In this example, the COP-PER was very useful to characterize the corrosivity of the marine environment for UNS10180 plain-carbon steel. Subsurface Corrosion orientation Publication Division flowline corrosion riser corrosion wind direction steel...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12739
... ABSTRACT Hydrogen embrittlement in steels is caused by hydrogen absorption and diffusion associated to trapping phenomena. Both mobile and trapped hydrogen present distinct contributions to the hydrogen damage of martensitic steels. The present work used a new design of permeation testing...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12713
... under laboratory and field exposures. From the results, it is possible to better understand the atmospheric corrosion of steel and zinc under various exposure conditions. The technique should also allow the design of reliable and realistic corrosion tests for different industrial applications...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12766
... ABSTRACT Thermally sprayed aluminum (TSA) has been used in offshore oil and gas infrastructure for decades. Their effectiveness in mitigating corrosion of steel structures in presence of seawater has been proven over the years. However, very little work is reported on the performance of TSA...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12754
... ABSTRACT Materials clad with 13% Cr stainless steel have been widely used in refining equipment where high temperature sulfidation is a concern. When such materials are applied in columns, vessels, and heat exchangers, restoration of the cladding using weld overlay is required to bridge over...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12808
... protection to steel only when intact and anodes not only significantly increase the overall mass of the structure, but also have to be replaced periodically. An alternative corrosion mitigation method is the application of thermally sprayed metallic coatings, such as Al, Zn and ZnAl, which work as a barrier...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12893
... 121,000mg/l maximum (simulating formation water fluid); pH=6.0; pH 2 S=5kPa Corrosion Inhibition Upstream Oil & Gas strength steel Production Chemistry specification Publication Division laboratory Sulfide stress metals & mining H2S management SMSS texas 77084 specimen...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12862
... of different metals ranging from carbon steel via stainless and duplex steels to titanium in a copper containing artificial geothermal water, simulating the conditions in the Northern German Basin, using electrochemical measurements and exposure tests. While carbon steel exhibits copper deposition (scaling...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12768
... ABSTRACT Carbon steels are widely used in the oil and gas exploration and production service. These steels are prone to corrosion in CO 2 and cracking in H 2 S. The propensity to cracking increases when high strength grades are employed. The use of corrosion resistant alloys incurs costs...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12744
...) via a moderate 1,3-dipolar cycloaddition mechanism. High Resolution Mass Spectrometry (HRMS) and NMR were used to confirm the detailed chemical structure. The inhibition of two indolizine derivatives in 15 wt.% HCl for N80 steel were studied by weight loss measurement and electrochemical analysis...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12838
... ABSTRACT For transporting large amounts of CO 2 (compressing to supercritical or liquid state) over long distance during Carbon Capture and Storage process, the most logical and economical option is pipelines network made from carbon steels such as X65 and X70 steels, which, however...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12835
... ABSTRACT The corrosion inhibition performance of pyran derivatives (AP) on N80 steel in 15% HCl was investigated by electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, weight loss, contact angle and scanning electron microscopy (SEM) measurements, DFT and molecular...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12885
... ABSTRACT This work evaluates the suitability of lignin as corrosion inhibitor when AISI 1018 carbon steel coupons were used as tests specimens. A stock solution of lignin powder, provided by an Albertan Pulp and Paper mill company, was tested for its inhibition efficiency in Rotating Cylinder...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12908
... ABSTRACT Oil Country Tubular Goods (OCTG) high strength steels are susceptible to hydrogen assisted cracking (HAC) due to hydrogen ingress as a result of exposure to environmental conditions (cathodic protection (CP) and/or H 2 S environments) and as such are prone to failure. In order...

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