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Keywords: pipe
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16632
... chemistry well integrity corrosion management inhibitor permission rights flow loop upstream oil & gas pig design means contact time retrieval system pipe application test section 16632 Methodology for the Evaluation of Batch Corrosion Inhibitor Films and their Integrity Winston Mosher...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12916
... ABSTRACT A coupled hydrogen diffusion and material elastic-plastic deformation finite element analysis (FEA) subroutine was developed. The subroutine was used to analyze the hydrogen diffusion process in an oil country tubular goods (OCTG) pipe with a surface flaw under internal pressure...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12934
... ABSTRACT Sand production is a common challenge in oil and gas industry and will lead to loss of wall thickness due to erosion mechanisms. One way of reducing the impact of erosion due to sand is to select weld overlay cladding on the interior of the pipe. Weld overlay cladding is a welding...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12996
... ABSTRACT INTRODUCTION Transportation of corrosive fluids in pipelines Flowing control; Using corrosion inhibitors; Pigging; Increasing the pipe wall thickness; Replacing the pipe material; Internal organic coating:° Liner;° Plant coating Corrosion Inhibition...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12972
... performed on SAWL large-diameter pipes of grades X52 and X65. All relevant sampling positions (base material, heat-affected zone, longitudinal weld) were investigated and the results were compared to standard four-point bend SSC tests without additional twist. A new test geometry using reduced specimen...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12946
... & Gas resistance surface film pipe Production Chemistry concentration texas 77084 permission Houston Chromium oilfield chemistry Corrosion Management Publication Division specimen Sulfide Corrosion Inhibition H2S management Microstructure unused pipe field-experienced pipe inner...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13406
... ABSTRACT INTRODUCTION Casing required for all liquid crossings (some isolated exceptions allowed) Casings for flammable gas are not required in most instances. Casings required for non-flammable lines (i.e., water, steam) piping design riser corrosion inspection...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13022
... methodology for pipe manufacturing QA/QC, its validity as a test to obtain the fracture resistance parameter for burst pressure estimation of flawed pipes remains uncertain and therefore alternative methods are being assessed. In the present paper, an experimental program is described. API 5CT-C110 grades...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13177
... utilities are seeking innovative rehabilitation technologies, particularly for large-diameter pipes. However, information about these emerging technologies is not always readily available. As part of the U.S. Environmental Protection Agency’s Aging Water Infrastructure Program, a field demonstration program...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13247
... with cold tap water for stimulation after being completed. Temperature measurements were performed during an intermediate heat up in the well where no cold water injection was performed. A carbon steel injection pipe was implemented to the bottom of the well to ensure cold water and improved stimulation...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13271
... process piping after around ten years of service. This is primarily a thermal mix point wherein demineralized water is injected in a hot gas stream resulting in a temperature gradient of more than 100 °C. The failure mode was also characterized by many circumferential cracks at location of injection...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10669
... ABSTRACT Resistance testing of steel to Sulfide Stress Cracking (SSC) can be performed according to the four methods given in NACE standard TM0177. However, for SSC testing of low alloyed line pipe steel for longitudinally submerged-arc welded (SAWL) large-diameter pipes of a grade up to X65...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11617
... and some of the company policies that have been taken from many years of pipeline and tank farm operation at military facilities. INTRODUCTION Sustainability is the capacity to endure. The root purpose of any corrosion control system is to mitigate corrosion. By preserving a tank bottom, pipe or other...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11202
... The goal of external corrosion control at the Washington Suburban Sanitary Commission (the utility) is to improve cost effectiveness by extending the useful life of pressurized pipelines. Pipes are primarily cast iron (CI) and ductile iron pipe (DI). Methods employed for corrosion control include...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11107
... ABSTRACT The effect of back shielding gas types and contained oxygen level on the corrosion resistance of weld was investigated for gas tungsten arc welding (GTAW) of UNS S32750 super duplex stainless steel (SDSS) pipes. The SDSS pipes were welded with three types of back shielding gases...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11244
... ABSTRACT There is a wide range of opinions about the proper method of corrosion control, including the need for cathodic protection, tight bonded coating and polyethylene encasement for ductile iron pipe. While polyethylene encasements are commonly used for protection of ductile iron pipe...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10857
... setup includes two samples of buried steel pipes, one provided with an impressed current cathodic protection (iCCP) system and the other left unprotected. The two samples are placed in an artificial environment, in which the author is able to manipulate the soil properties. Copper sulphate reference...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10815
... ABSTRACT Microstructural analysis of failed support pipes made of cast UNS R20501 alloy in a reboiling heater unit was performed to understand its physical metallurgy and the origin of the pipe failures. By design, these support pipes are exposed to a temperature gradient from near ambient...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10723
... ABSTRACT A study of alternating current (AC) interference on cathodically protected pipeline from railway electrification systems was conducted. A continuous data logger capable of measuring the pipe to soil potential at a sampling interval of 1.25s was developed specifically for the purpose...

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