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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16840
... cycle. Overall, design of PWHT can be challenging to ensure not only meeting maximum hardness requirements but also ensuring meeting minimum design yield strength. This study investigates the austenite start and finish (A 1 and A 3 ) phase transformation temperatures as a function of heating rate...
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-2021-16314
... 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-2019-12700
... of the mechanism, indicating that the conditions for susceptibility are very specific to the combination of variables stated above. Pipeline Corrosion riser corrosion liquified natural gas Subsurface Corrosion weld strength metals & mining LNG gas monetization Publication Division lme...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12830
... and the performance of the coating was evaluated using pull-off adhesion strength, cathodic disbondment and Atlas cell wet thermal gradient tests. The strength of correlations among the roughness parameters and the FBE coating performance results were compared. Tortuosity, measured with a stylus profilometer...
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-2019-12900
... ABSTRACT Low alloy steels are one of the most commonly used material systems in oil and gas fields as they can be heat treated to appropriate strength levels, including higher strengths such as 758 MPa (110 ksi) and 862 MPa (125 ksi) minimum yield strength, while providing economical...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12901
... content in Alloy 35Mo is good ductility and a high yield strength of more than 470 MPa for tested heat exchanger tubing in the solution annealed condition. This is higher than conventional 6 Mo alloys. Alloy 35Mo is a versatile alloy for applications in, for instance, the oil & gas, chemical...
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-2019-12765
... J91540; “Low-carbon, martensitic stainless steel J91540; the maximum design tensile stress shall not exceed 2/3 specified minimum yield strength or 345 MPa (50 ksi) whichever is less.” The paper includes a historic perspective of NACE MR0175, results of NACE level VII tests, the ballot process including...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12871
... to line nearly all of the energy producing wells in this field. The material proved to be an excellent choice and has given 20-25 years’ service life to date. Despite its excellent performance, Grade 29 is a high strength titanium alloy that is expensive to manufacture and finish. Recent wells (2012...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13407
... stipulate increased FBE thickness (as much as 1 mm). This thickness increase improves both damage resistance as well as high temperature cathodic disbondment. Pipeline Corrosion Midstream Oil & Gas Publication Division materials and corrosion strength FBE coating specimen flowline corrosion...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13453
... ABSTRACT Precipitation hardenable nickel alloys are commonly used in oil and gas subsea structures where require outstanding mechanical strength and corrosion resistance. In seawater, galvanic coupling to steel or cathodic protection promotes the formation of atomic hydrogen on the surface...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13439
... standards. pipe specimen specimen Houston defect offshore pipeline testing program permission repair system Midstream Oil & Gas Publication Division composite repair system manuscript load transfer material strength texas 77084 coupon-level testing full-scale testing architecture...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13505
... these replacements. Downhole equipment Completion Monitoring Systems/Intelligent Wells Corrosion Inhibition downhole tool zonal isolation Completion Installation and Operations H2S management polymer fabrication stability manuscript Production Chemistry Upstream Oil & Gas strength thermal...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13351
... Corrosion riser corrosion flowline corrosion Production Chemistry materials and corrosion Upstream Oil & Gas Corrosion Management coating material assessment coating system FBE coating coating Corrosion Inhibition oilfield chemistry H2S management strength texas 77084 test result...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13361
... steel permission manuscript boron borocarbide strength transition temperature texas 77084 requirement impact toughness impact property Factors Affecting Impact Toughness in Carbon Steels Sangeetha Cathapuram, Vishal Lagad Lloyd's Register Energy Americas, Inc. 1330 Enclave Parkway, Suite...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12883
.... 1-3,12 flowline corrosion materials and corrosion Upstream Oil & Gas water management well integrity Pipeline Corrosion riser corrosion Subsurface Corrosion strength coating HDPE polyethylene plaque manuscript texas 77084 protection Publication Division Houston...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12989
... UNS N08830 alloy results to other high strength CRA’s used in Oil and Gas subsea production equipment. INTRODUCTION Cases of Hydrogen Embrittlement affecting subsea equipment and components have been well documented for some time. 1,2,3 The source of embrittlement investigated in this study...

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