Dominion Transmission, Inc.’s Use of Ultrasonic Sensing Technology from Sensor Networks, Inc.

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25
Jul

Dominion Transmission, Inc.’s Use of Ultrasonic Sensing Technology from Sensor Networks, Inc.

[vc_row][vc_column][vc_single_image image="2378" img_size="medium" onclick="custom_link" img_link_target="_blank" link="https://sensornetworkscorp.com/wp-content/uploads/2017/07/Dominion-Pipeline-in-EIM-2016-Annual-Report.pdf"][vc_column_text]CLICK TO DOWNLOAD[/vc_column_text][/vc_column][/vc_row]

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22
Mar

Emergency Service Water Piping

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Evaluation of ‘retired’ nuclear service water piping to test ID corrosion rate system accuracy using different inspection intervals. Plan is to use mass screening tools to identify anomalies (cluster or point) and monitor vs. replace.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color: #fafafa !important;}"][vc_column][vc_column_text] Application ESW Piping 36” Sch. std. (.375”) Selected existing ID pits, used dremel tool to “mimic” corrosion rate [/vc_column_text][/vc_column][/vc_row][vc_row…

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22
Mar

Atmospheric Distillation Tower

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Customer replaced lines on Atmospheric Tower due to amine corrosion (Chloride & HCL) issues. Installed sensors in TML ports circumferentially in areas where corrosion was seen previously to monitor corrosion rates.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color: #fafafa !important;}"][vc_column][vc_column_text] Application 24” line … insulated w/ TML ports, ~220F [/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130495878{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Product Used 1 smartPIMS cellular systems w/…

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22
Mar

Distillation Unit

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Customer was interested in monitoring corrosion on their distillation unit piping to compare 12:00 & 6:00 areas.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color: #fafafa !important;}"][vc_column][vc_column_text] Application 6” line, operating at <620F [/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130495878{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Product Used smartPIMS cellular w/ HT probes 1 smartPIMS cellular systems w/ 2 HT probes Monitoring interval: every 6 hours HT probe mounted temporarily…

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22
Mar

Crude Tower & Overhead Lines

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Customer had defined areas located on and around the crude tower & overhead lines (vessels & piping) when they wanted to monitor. Installed on new piping as previous assets failed earlier than operations team expected. Non-invasive UT probes were installed at strategic monitoring locations to identify areas which previously or were likely to experience wall thinning.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color:…

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22
Mar

Steam Line

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Trial of system on HT and dual system on steam line to evaluate resolution, repeatability, and accuracy. Customer wanted to validate cellular connectivity, probe performance, and data management using webPIMS.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color: #fafafa !important;}"][vc_column][vc_column_text] Application 6” steam line, operating at ~200F Thickness ~0.350” [/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130495878{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Product Used Custom built smartPIMS Cellular smartPIM w/…

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22
Mar

Hydrodesulphurizer (HDS)

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Customer had issues for many years with piping circuit including a small leakage resulting in an unplanned maintenance outage. Piping was eventually upgraded from carbon steel to stainless steel and various sections have been replaced multiple times. Large portion of line inaccessible requiring scaffolding or other access. Two units were installed at various points along piping circuit.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px…

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22
Mar

Distillate Hydroprocessing Unit (DHU)

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview After replacing piping during a unit re-vamp, slight process changes seemed to cause significant corrosion to an inaccessible location. However, due to the early life of piping (<3 yrs. old) and limited data available, skepticism was raised from customer about the true corrosion rate of the piping. A semi-permanent platform was then built to access to the location and an NDT technician…

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22
Mar

Crude Unit

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Section of crude unit had experienced stress corrosion cracking on the internal stainless steel cladding. The customer replaced with weld beads on ID and was performing temporary AUT scans to monitor for low spots. Installed sensors were put on both low spots as well as “miscellaneous” areas to gauge corrosion rate data.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row" css=".vc_custom_1490130489208{padding-top: 25px !important;padding-bottom: 25px !important;background-color: #fafafa !important;}"][vc_column][vc_column_text] Application Crude…

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22
Mar

Sulfuric Acid Alkylation Unit

[vc_row full_width="stretch_row" css=".vc_custom_1490129384251{padding-top: 25px !important;padding-bottom: 25px !important;}"][vc_column][vc_column_text] Overview Customer had two significantly low spots & six moderately low sports on Sulfuric Acid Alkylation Unit. Was sending UT technician to check weekly status of pitting. Installed sensors to monitor for pit growth and to ensure unit could last until planned outage 18 months away. Accelerated sulfuric acid (low PH) excursions & not enough caustic neutralization due to pump change out.[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row"…

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