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Keywords: rectifier
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16259
... integrity monitoring devices (e.g. rectifier monitoring), this paper explores how data analytics techniques, such as artificial intelligence and machine learning algorithms, can shine a light on historically ‘dark’ data, improving pipeline integrity operations and the safety of workers and the broader...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13187
... and try to highlight some of the challenges of electrical code interpretation. oil sand structure connection hazardous location bitumen CEC permission section 80 rectifier complex reservoir Publication Division electrical code manuscript anode junction box Upstream Oil & Gas texas...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13188
... Publication Division Pipeline Corrosion Downstream Oil & Gas resistance ac corrosion materials and corrosion Midstream Oil & Gas corrosion rate ac current density permission manuscript investigation ac coupon current density rectifier riser corrosion frequency AC voltage texas 77084...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13189
... fracturing Upstream Oil & Gas Publication Division Inhibition Houston bacteria rectifier manuscript Compound shale well corrosion control Management of Corrosion in Shale Development Bruce Craig MetCorr 100 Fillmore St. Denver, CO 80206 David Blumer BlumCorr 5624 E. 40th Avenue Anchorage...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11064
... continuity pipeline Houston Pipeline Corrosion well integrity rectifier Publication Division permission excavation manuscript materials and corrosion Midstream Oil & Gas texas 77084 clock position direct assessment resistivity Application of Indirect Condition Assessment Techniques...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11704
... protection application criterion Publication Division operation integrity Remedial Action manuscript land reclamation remediation program pipeline evaluation rectifier Houston potential criterion cp remediation process APPLICATION OF CP REMEDIATION PROCESS TO ASSESS INTEGRITY AND ACHIEVE...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10689
... for the other metal. An impressed current type system utilizes external power to force impressed current anodes (cast iron, graphite, mixed metal oxide) to corrode in order to provide the protective currents. The external power is provided by a rectifier. A rectifier is an electrical device that converts...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10907
... of a dataset collected on a 15-km section of a pipeline where these effects were found to be significant. Along most of this section, this 1950’s era NPS 12 pipeline runs alone in the right-of-way and all influencing rectifiers that could be identified were interrupted. Rectifiers and test posts are shown...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10655
... well manuscript Design issue deep anode external corrosion rectifier CP system WELL CASING CATHODIC PROTECTION - DESIGN ISSUES AND CASE HISTORY Jeffrey L. Didas Matcor, Inc. 101 Liberty Lane Chalfont, PA 19111 USA ABSTRACT This paper will discuss various design issues with well casing...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11168
... current system 1 . Corrosion Inhibition Upstream Oil & Gas galvanic anode system anode oilfield chemistry Corrosion Management texas 77084 Production Chemistry cathodic protection permission application rectifier voltage manuscript anode sled anode system enhanced recovery H2S...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8983
... corrosion rate screen capture Upstream Oil & Gas Publication Division cathodic protection storage field pipe gas storage Notification texas 77084 gas storage field manuscript site page permission monitoring Houston operator storage facility rectifier soil potential Combining CP...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8910
... influence of the groundbed potential profile on the pipelines-to-soil potential. Pipelines with different attenuation characteristics protected by the same cathodic protection systems (CPS) could suffer from stray current between them, even with the rectifiers On. The need for the installation of bond...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9202
... with aluminium. materials and corrosion Upstream Oil & Gas flowline corrosion riser corrosion Pipeline Corrosion well integrity Subsurface Corrosion cathodic protection system texas 77084 rectifier test station Midstream Oil & Gas positive potential corrosion rate coupon test...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7484
... protection system texas 77084 interference rectifier current requirement current density Houston anode bed depth Publication Division iccp anode bed depth anode system installation permission deep anode system manuscript Case Study of an ICCP Design and Installation for Well Casings Using...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7705
..., anode bed configuration, structure connections, test station type and location, system balancing, close interval survey results, rectifier design, operation and maintenance. The database for the system is incorporated into a mapping visualization program, so the system engineer can effectively monitor...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5437
... has not gained widespread acceptance in the industry, mostly due to issues of complexity, reliability and non-conformance with norms established for tapped-transformer type rectifiers. This paper provides HFSM background information, reviews potential benefits of HFSM, and explores technology...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5795
... diameters and coating types which can consequently result in unbalanced CP levels. This Project includes in-depth research and analysis of various methods, procedures, and materials beneficial in regulating and maintaining appropriate levels of CP in complex multi-pipeline corridors. Associated rectifiers...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5667
... to provide protective currents, but others require a power source in order to make the anodes corrode. These systems use rectifiers and rectifiers can breakdown. A well maintained rectifier provides uninterrupted cathodic protection, reduces repair costs and labor/technician time. This paper discusses...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-3815
... Publication Division permission rectifier South Creek Drive flange texas 77084 wire break indication DCVG survey potential difference ECDA process Lateral Gradient manuscript gradient Challenges in Analyzing ECDA Indirect Inspections Data S.M. Segall, P. Eng. R.A. Gummow, P. Eng. Corrosion...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4008
... of the pipelines. This case study reviews construction of the box culvert casings and provides operating data pertinent to the design and operation of the impressed current cathodic protection system. This includes automatic rectifier control, placement of reference electrodes, placement of anodes, current...

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