Simulating Experiment of Casing Cementing with Pre-Expansion

Abstract:

Thermal recovery is a common and effective method for producing heavy oil. Casing failure is a serious problem in thermal recovery wells. In view of this problem, it is proposed the technique of casing cementing with internal pre-expansion for thermal recovery well. It refers to exert inner pressure on payzone production casing or heat payzone production casing to a certain temperature and make payzone production casing expand in cement solidifying period. We developed simulating experiment table according to field practice and pre-expansion cementing theory. It can simulate cementing technology with conventional, half warm-up and internal pre-pressurization cementing technology, also include steam injection and production process. The technique will be an important foundation for the following field tests and its application.

• Periodical: Applied Mechanics and Materials (Volume 737)
• Pages: 851-854
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.737.851
• Online since: March 2015
• Authors: Xin Jun Yang, Zi Feng Li
• Keywords: Casing Failure, Simulation Experiment, Steam Injection, Well Cementing

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