Development and characterization of self-healing gel temporary plugging agent for well killing

• Autorzy: Li Yanfei , Wang Tao , Liu Wei , Zhao Xingbin , Shi Lanling , Huang Wei , Shen Chengcheng

Identyfikatory

DOI

10.2478/pjct-2025-0003

• Języki publikacji: EN

Abstrakty

EN

A new type of self-healing gel was developed by using acrylamide (AM) and other materials, and the effects of the content of PEGDA200 and PEGDA400 on the mechanical properties of gel were compared. The results showed that adding PEGDA200 and PEGDA400 to the self-repairing gel significantly improved the performance of the composite gel. When the content of PEGDA200 in the gel was 0.2%, the rheological property after repair was 109.4% of that before repair, the compressive property after repair was 95.2% of that before repair, the adhesive property was increased by 36.8%, and the compressive strength after repair was 92.4% of that before repair. When the content of PEGDA400 in gel was 0.2%, the rheological property of gel after repair was 105.8% of that before repair, the maximum adhesion could be increased by 17.8%.

Słowa kluczowe

EN

self-healing; gel; temporary plugging; well killing

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Green Sciences
• Rocznik: 2025
• Tom: Vol. 27, nr 1
• Strony: 23--28
• Opis fizyczny: Bibliogr. 24 poz., rys., tab., wykr., wz.

Twórcy

autor

Li Yanfei

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Wang Tao

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Liu Wei

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Zhao Xingbin

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Shi Lanling

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Huang Wei

• CNOOC China Limited, Shanghai Branch, Shanghai 200335, China

autor

Shen Chengcheng

• Shaanxi Cooperative Innovation Center of Unconventional Oil and Gas Exploration and Development, Xi’an 710065, China

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