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March 21, 2026GelsOpen Access

Preparation and Performance Evaluation of a Supramolecular Gel Plugging Agent for Severe Lost Circulation Gas Reservoirs

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Authors

YLYingbiao LiuKLKecheng LiuTZTao Zeng

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Overview

Demonstrates a high-strength gel's effective performance in plugging gas reservoirs, suggesting its potential for severe lost circulation situations.

Key Points

  • The aim is to develop and assess a supramolecular gel plugging agent for addressing severe lost circulation in gas reservoirs.
  • Preparation via micellar copolymerization
  • Synthesis optimization with specific chemical components and conditions
  • Performance evaluation through gelation time, compressive strength, and swelling analysis
  • Core plugging experiments to assess efficiency under controlled conditions
  • Achieved a controllable gelation time of 120 minutes
  • Compressive stress reached 1.43 MPa at 87% strain
  • Plugging efficiencies exceeded 95% for cores with permeabilities of 0.18 to 0.90 μm2
  • Maximum breakthrough pressure gradient of up to 11.48 MPa/m

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69be368a6e48c4981c6758d2https://doi.org/10.3390/gels12030256
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