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Development of Corrosion Inhibitor for High Temperature Sweet Gas Wells

Product Number: 51324-20757-SG

Author: Ime Bassey Obot; Tao Chen; Ahmad A. Sorour; Qiwei Wang

Publication Date: 2024

$40.00

The corrosion of carbon steel downhole completion tubing at high temperature is one of the serious corrosion issues facing the oil and gas industry. Few corrosion inhibitor chemistries can protect downhole production tubing against corrosion, especially at high-temperature and high-pressure (HTHP) in high total dissolved solids (TDS) brine. The objective of this study was to develop a HTHP corrosion inhibitor abbreviated (NAM 9) for the protection of carbon steel at a temperature of up to 120 oC for possible application in sweet gas wells. The new corrosion inhibitor formulation (NAM 9) was evaluated using the linear polarization resistance (LPR) technique, batch corrosion testing (drop and drip) and autoclave corrosion test. The LPR result shows that 10 ppm of NAM 9 drastically reduces the corrosion rate of C1018 steel from 214.4 mpy (5.44 mm/y) to 3.28 mpy (0.08 mm/y) giving an inhibition efficiency of 98.47 % at 70 oC. The corrosion rate of the blank using autoclave corrosion testing at 120 oC was 250.6 mpy (6.36 mm/y) and 30.3 mpy (0.77 mm/y) in the presence of 500 ppm of NAM 9, respectively. The results indicate that NAM 9 is a promising high-temperature corrosion inhibitor for downhole production tubing used in gas wells.

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Off-line Inspection and Corrosion Identification of Above Storage Water Tank

Product Number: 51323-18980-SG

Author: Ali Al-Sahari, Fatma Al-Radhi, Abdulrahman Al-Enezi, Ali Al-Kathami, Nausha Asrar

Publication Date: 2023

$20.00

Saline Water Conversion Corporation (SWCC) is the largest producer of water by its different water desalination plants distributed around the kingdom. In SWCC above storage tanks (ASTs) have the capacity to store 140,000 m3 of produced water. Most tanks are commissioned more than 20 years and have worked properly with minor observations on their performance. Mostly SWCC tanks are made of carbon steel and internally protected with a two - components epoxy coating as a passive method and cathodic protection as an active method.

Products tagged with 'carbon steel.'

Development of Corrosion Inhibitor for High Temperature Sweet Gas Wells

Off-line Inspection and Corrosion Identification of Above Storage Water Tank

Association for Materials Protection and Performance