Experimental Study on Flow-Induced Corrosion of Casing and Tubing Steel for Heavy Oil Thermal Recovery Wells

Author:

Chen Sen1,Pan Jing Jun1,Wang Mei Jie1,Chen Deng Ya1,Cheng Jia Rui2

Affiliation:

1. Engineering Technology Research institute of Xinjiang Oilficld Company of Petro China

2. Xi’an Shiyou University

Abstract

The tubing and casing in the thermal recovery well are subjected to corrosion damage of multiple thermal fluid flow during the service period, which may cause safety accidents such as thinning, perforation and even fracture of the pipe wall. In this paper, the corrosion behavior of J55 casing steel and N80 tubing steel in flowing media were studied by using high temperature and high pressure reactor. The test results reflected the effects of single gas concentration and temperature of O2 and CO2 on tubing and casing corrosion. Comparing and analyzing the corrosion law of tubing in distilled water and produced water, the results of column corrosion rate under hot steam injection and production conditions were obtained, which indicated the difference of corrosion and the influencing factors of tubing in two working conditions.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference9 articles.

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3. X.G. Zhu, Y.Y. Long, W.G. Yang, C. Liu, J. Zhang, Multihot fluid corrosion and protection of petroleum and natural gas mining and gathering system, Corro & Protec. 30 (2009) 316-318.

4. J.W. Yang, L. Zhang, M.X. Lu, Research progress on CO2/H2S corrosion and principles for materials selection for oil and gas field, Corro. Sci. Protec. Tech. 21 (2009) 401-404.

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