casing

casing. Oil & gas. The pipe in a wellbore hole, cemented into place to prevent pollution and to protect the hole.

intermediate casing. Casing that protects deep formations against pollution from drilling and producing opera-tions.

production casing. Wellbore pipe through which oil and gas is produced. • Production casing is the last pipe set in the hole.

surface casing. Casing that protects groundwater against pollution from drilling and producing operations. • Surface casing is the first pipe set in the hole.

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词条贡献者

译者崇载，国际名校知识产权法专业，擅长翻译有关人工智能、机器学习和机器人技术领域的法律文件。