Investigations of mechanical properties of API P110 steel casing tubes operated in deep-sea sour condensate well conditions

• Autorzy: Yao Zilin , Wang Yu , Yang Xuefeng , Gao Anping , Zhang Rong , Jia Yanjie

Identyfikatory

DOI

10.2478/pomr-2020-0053

• Języki publikacji: EN

Abstrakty

EN

Due to the complexity of the marine environment, in deep-sea drilling, all kinds of strings are corroded by different deepsea conditions for a long time, accompanied by high temperature and high pressure, which lead to the continuous change of mechanical properties of materials. In order to solve the problem that the material mechanical parameters cannot be accurately described in the performance analysis of the casing, deep-sea simulated corrosion and material damage experiments of P110 material were carried out in this paper. Mass loss and tensile experiments on corrosion-damaged test pieces were conducted under different corrosion experimental periods. The changes in mechanical properties of the material were analyzed. Equations of the variation of the equivalent yield strength and the equivalent tensile strength were obtained. The results show that the equivalent yield strength and the equivalent tensile strength decrease with the increase of the weight loss rate. Based on the experimental results and finite element analysis, a method for establishing the material corrosion model was proposed in this paper. The deep-sea drilling corrosion performance model of P110 material was established, which greatly reduced the error caused by the material uniformity assumption in finite element analysis. This paper provides a theoretical basis for the analysis of reliability and life of P110 materials in wells.

Słowa kluczowe

EN

deep-sea drilling environment; mechanical properties; yield strength; tensile strength; corrosion modeling

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2020
• Tom: nr 3
• Strony: 121--129
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Yao Zilin

• College of Chemistry and Chemical Engineering Southwest Petroleum University, 8 Xindu Avenue, Xindu District 610000 Chengdu City, Sichuan Province, China

autor

Wang Yu

• Robotics Research Center School of Mechanical Engineering, Xihua University, 9999 Hongguang Avenue, Pidu District, 611730 Chengdu City, Sichuan Province, China

autor

Yang Xuefeng

• Heavy oil development company of PetroChina Xinjiang Oilfield Company, 40 Xinyue Road, 834000 Kelamayi City Xinjiang Province, China

autor

Gao Anping

• Wuxi China Resources Gas Co., Ltd, 393 Jinshidong Road, 214000 Wuxi City Jiangsu Province, China

autor

Zhang Rong

• Petroleum Engineering School Southwest Petroleum University, 8 Xindu Avenue, Xindu District, 610000 Chengdu City, Sichuan Province, China

autor

Jia Yanjie

• Petrochina Southwest Pipeline Company, 6 Yingbin Road, 610000 Chengdu City Sichuan Province, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).