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August 5, 2025Open Access

Experimental Study on a Coupled Plugging System of Nano-Enhanced Polymer Gel and Bridging Solids for Severe Lost Circulation

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Authors

FBFangdi BaoLPLei Pu

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Overview

Experimental study shows improved pressure resistance in fractures using a novel coupled plugging system, highlighting enhanced mechanical properties.

Key Points

  • MAIN FINDING: Coupled plugging using nano-enhanced polymer gel and bridging solids significantly reduces lost circulation volumes.
  • KEY EVIDENCE: The optimized formulation achieved a maximum pressure of 8 MPa for 7 mm fractures, outperforming conventional methods.
  • APPROACH: Orthogonal experiments determined an effective formulation with specific weight percentages and pH ratios to optimize gel properties.
  • SIGNIFICANCE: The method provides a new technical solution for severe lost circulation, enhancing construction in challenging geological conditions.

Cite This Study

Bao et al. (2025) studied this question.

synapsesocial.com/papers/689523d29f4f1c896c42a051https://doi.org/10.20944/preprints202508.0259.v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Experimental Study on a Coupled Plugging System of Nano-Enhanced Polymer Gel and Bridging Solids for Severe Lost Circulation2025 · 2 citations
  2. 2Preparation and Performance Evaluation of a Supramolecular Gel Plugging Agent for Severe Lost Circulation Gas Reservoirs2026 · 2 citations
  3. 3Nanomaterial-Modified Thermally Expandable Thixotropic Gel for Enhanced Plugging Performance in High-Temperature Fractured Formations2026
  4. 4Study on Gel–Resin Composite for Losting Circulation Control to Improve Plugging Effect in Fracture Formation2025 · 7 citations
  5. 5Study on Synthesis and Performance of a Hybrid Crosslinked Composite Gel for High-Temperature Lost Circulation Control2026