2009•Journal of Oil and Gas TechnologyRequires access

Method for Designing Casing Stem Strength in Heavy-oil Steam Injection Wells

Lu Lijun, Zhang Bo

Abstract

Heavy oil reservoir was always developed by steam injection wells, but steam injection induced casing damage. A lot of documents were studied at home and abroad, and insufficient current casing stem strength design was pointed out, and it put forward a method to fit steam injection well casing strength design. The stress-strength casing strength design method calculated the load and heat stresses based on the steam injection condition, and checked casing strength data at higher temperature based on experiment.

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Key concepts: Casing, Steam injection, Petroleum engineering, Injection well, Engineering, Mechanical strength, Materials science, Composite material