Performance Evaluation of and Research on Anti-Gas Channeling Cement Slugs

Lanbo Xu; Chaodong Luo; Shuang Shi; Long He; Xiaoming Wu

doi:10.1007/s10553-019-01019-3

Performance Evaluation of and Research on Anti-Gas Channeling Cement Slugs

Авторлар: Xu L.¹, Luo C.², Shi S.³, He L.⁴, Wu X.¹
Мекемелер:
1. Faculty of Engineering, China University of Geosciences
2. Drilling Research Institute of SINOPEC Southwest Engineering Company
3. PetroChina West East Gas Pipeline Company
4. SINOPEC Southwest Oil and Gas Branch
Шығарылым: Том 55, № 2 (2019)
Беттер: 183-188
Бөлім: Article
URL: https://journals.rcsi.science/0009-3092/article/view/235804
DOI: https://doi.org/10.1007/s10553-019-01019-3
ID: 235804

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Аннотация

Slug anti-gas channeling technology was studied in laboratory experiments to optimize the micro-expansion behavior of its material. The technology included sealing of an outer pipe, injection of cement slurry into the casing annulus, and activation and solidification of the cement slurry as a function of temperature and other external conditions. The technology could effectively seal an oil or gas well and solve the problem of wellhead pressure.