Research data: Design and application of foamed spacer to mitigate annular pressure induced by fluid thermal expansion

The raw data of some key figures and tables are provided. In each file, annotations are provided to give more information, including the source of raw data, the process of calculation, and raw figures. In the provided data files, figures plotted by Excel are presented. But, in the manuscript, figures are plotted by OriginPro to obtain more clear and concise figures. We hope that the provided data can help reviewers understand our work better.