Title: Structural strength evaluation of injection production string in underground gas storage

Authors: Peng Sun; Zhaomin Li; Zhikai Su; Xiaoxuan Zhang

Addresses: China University of Petroleum (East China), Qingdao Shandong, 266580, China; Sinopec Petroleum Engineering Technology Research Institute, Beijing 100101, China ' China University of Petroleum (East China), Qingdao Shandong, 266580, China ' Sinopec Research Institute of Petroleum Engineering Technology, Dongying Shandong, 257068, China ' Sinopec Research Institute of Petroleum Engineering Technology, Dongying Shandong, 257068, China

Abstract: In this paper, the mechanical analysis of multi cycle cyclic alternating load of injection production string is carried out. The theoretical analysis is carried out from two aspects: the analysis of pipe string pressure field and the analysis of pipe string temperature field during injection production. The effectiveness of the theory is verified by field examples.

Keywords: injection production string; strength evaluation; pressure analysis; temperature analysis.

DOI: 10.1504/IJMIC.2022.128318

International Journal of Modelling, Identification and Control, 2022 Vol.41 No.4, pp.375 - 386

Received: 23 Jun 2022
Received in revised form: 23 Aug 2022
Accepted: 27 Aug 2022
Published online: 17 Jan 2023 *

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