Synthesis and Performance Evaluation of a High-Temperature-Resistant Plugging and Inhibition Agent.

Yue Gao, Cheng Ma, Xuan Qi, Hao Yan, Nadiremu Kamaliding, Junfeng Zhang

Abstract read

In one paragraph

Article in Molecules (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Yue GaoCollege of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, China.ORCID 0000-0001-6125-5136

Cheng MaSchool of Petrchemical Engineering, Liaoning Petrochemical University, Fushun 113001, China.

Xuan QiCollege of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, China.

Hao YanCollege of Chemical and Materials Engineering, Hainan Vocational University of Science and Technology, Haikou 571126, China.

Nadiremu KamalidingSchool of Petrchemical Engineering, Liaoning Petrochemical University, Fushun 113001, China.

Junfeng ZhangSchool of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China.

Funding

2023 Liaoning Provincial Department of Education University Basic Research Project JYTMS20231863Hainan Province 2025 Higher Education Scientific Research Project Hnky2025-66Hainan Province 2025 Higher Education Teaching Reform Research Project Hnjg2025ZC-127Research on Teaching Methods of Mechanical Manufacturing Courses under Informationization Conditions HKJG2024-35Sinopec Science and Technology Department Project 224072

6 · The paper itself

Abstract

A high-temperature-resistant plugging-inhibitor (DS) was synthesized via emulsion polymerization using styrene (St), butyl acrylate (BA), 2-acrylamide-2-methylpropanesulfonic acid (AMPS), and N-vinylformamide (NVF), with divinylbenzene (DVB) as crosslinker and ammonium persulfate (APS) as the initiator. The structure and properties were characterized by FTIR, TG, SEM, and contact angle analysis. Plugging and inhibition performances were evaluated through filtration, high-temperature high-pressure (HTHP) plugging, linear swelling, and shale recovery tests. DS exhibits spherical morphology with particle sizes of 50-100 nm and a decomposition temperature of ~297 °C, indicating good thermal stability. The addition of DS significantly reduces filtration loss; at 1.5 wt%, the API filtration loss decreases to 6 mL. Under 180 °C conditions, 1 wt% DS reduces HTHP filtration loss from 12 to 6 mL, demonstrating excellent high-temperature plugging performance. DS also effectively suppresses shale hydration, with linear swelling reduced to 1.48 mm and shale recovery increased to 64.68% at 3 wt%. These results indicate that DS possesses excellent thermal stability, plugging efficiency, and inhibition performance, offering a promising solution for wellbore stability in shale gas drilling.

Indexed as

emulsion polymerizationfiltration loss controlhigh-temperature stabilitynanoparticlesplugging–inhibitor

Identifiers

PMID42451656

DOI10.3390/molecules31132288

PMCPMC13362676

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.