首页 >  Term: Annulus
Annulus

The space around a pipe in a well bore, sometimes termed the annular space.

API-monagram adj; the logo of the American Petroleum Institute (API) that is placed on certain pieces of oilfield equipment by the equipment manufacturer. API licences the use of the monogram on equipment that meets the API's minimum standards. It offers publications regarding standards, recommended practices, and other industry related information.

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