Synthesis and plugging evaluation of a thermoresponsive shape-memory polymer for lost circulation control

Yang Wang, Yufen Zhai, Guorong Wang, Binhai Hui, Hang Liu, Zihan Jin, Gang Wei, School of Mechatronic Engineering, Southwest Petroleum University, Petroleum Engineering School, Southwest Petroleum University, PetroChina Tarim Oilfield Company

Journal of Composite Materials

Published online on April 25, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
Conventional lost circulation materials (LCMs) suffer from limitations such as poor adaptability and low plugging efficiency. This study developed a high-temperature-responsive, shape-memory, expandable lost circulation material. Specifically, using ...