Lightweight insulating oil-well cement filled with hollow glass microspheres and numerical simulation of its unsteady heat transfer process
Hui Wang,
Chong Ma,
Yihui Yuan
et al.
Abstract:During subsea natural gas extraction, the free water and gas molecules present in the reservoir and the low-temperature and high-pressure conditions of the subsea environment cause the formation of hydrates; the blockage of the wellbore due to these hydrates is a critical issue that affects ow safety.Located between the wellbore and casing, well cement plays an important role in strengthening the wellbore and sealing off the oil, gas, and water layers. A cement that exhibits optimal mechanical strength and enh… Show more
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