Oil & Gas

The Probing of Pipeline Localized Corrosion Using a Novel Designed Ring Pair Electrical Resistance Sensor Array

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract In this paper, a new method has been proposed to study the localized corrosion of pipeline different areas based on the multiple ring pair electrical resistance sensor (RPERS) array. The sensor array arranged multiple sets of ring pairs along the flow direction, […]

Flange Face Corrosion in Seawater and Hydrocarbon Environment Related to Gasket Material Selection

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Bolted flange joints in seawater and hydrocarbon services can be vulnerable to gasket degradation and flange face corrosion. In its document on corrosion management, the UK’s Energy Institute ranks corrosion as the second most frequent cause in initiating loss of hydrocarbon containment […]

Corrosion Resistance of 17Cr OCTG Martensitic Stainless Steels for HP/HT Wells

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract North Australia has several offshore natural gas fields with high temperature and high pressure (HT/HP) environments containing CO2 and small amounts of H2S. The corrosion performance of 17Cr martensitic stainless steel (17Cr SS) was evaluated in downhole conditions and compared to Super […]

CP currents passing through coatings and their effect on corrosion under disbonded coatings

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Corrosion under disbonded coatings is generally considered a ‘worst case scenario’ corrosion condition in the pipeline industry. Severe cases of localized corrosion issues including pitting, microbiological induced corrosion and stress corrosion cracking have often been linked to environments that are typically developed […]

Corrosion Repairs on Pressure Equipment

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Pressure Equipment such as Boilers, Pressure Vessels, Storage Tanks and Piping are subjected to corrosion deterioration both internally and externally due to environmental and process conditions. The corrosion largely results in significant material loss adversely affecting the structural integrity of individual components/sections […]

Liquid Thermal Insulation Coatings (TIC): A Practical Method to Mitigate Corrosion Under Insulation (CUI)

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Traditional insulation materials have for many years helped industry overcome the challenge of needing to reduce the loss of thermal energy from hot systems or to prevent the gain of thermal energy by cold systems. These insulation materials have also been used […]

On the detection and mitigation of corrosion under insulation of mild steel

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Corrosion under insulation(CUI) is a form of localised corrosion which frequently occurring in carbon/low alloy steels. The inherent difficulties on CUI detection make them hard to reveal outside and it is always too late until the problem becomes severe. Integrity loss and […]

Providing stable TR protection for well coated pipes – Bode Plot or Backhoe?

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract The coating on modern pipelines  for the oil and gas industry combine durability with high resistivity to provide environmental and electrical protection against corrosion.   However well coated pipes are often cathodically protected by impressed current rectifiers to provide additional protection should coating […]