دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a warning device triggered by the presence of abnormal conditions in a machine or system. For example, a lowwater alarm automatically signals when the water level in a vessel falls below its preset minimum. Offshore, alarms are used to warn personnel of dangerous or unusual conditions, such as fires and escaping gases.

n: oil trade organisation (founded in 1920) that is the leading standardising organisation for oilfield drilling and producing equipment. It maintains departments of transportation, refining, marketing, and production in Washington, DC. It offers publications regarding standards, recommended practices, and bulletins. Address: 1220 L Street NW;Washington, DC 20005;(202) 682-8000.

abbr: American Petroleum Institute.

American Petroleum Institute.

n: Accord with

n: a classification system for oilwell cements, defined in API Specification 10A.

n: Oilwell cement class suggested by API regulates that there are 9 classes of cement, A to J. They can be used according to the downhole temperature and depth.

n: Used in the condition of no particular orders, usually from surface to 1800m.

n: Used in the condition of countering hydrogen sulphide, usually from surface to 1800m.

n: Used in the condition of high early strength, usually from surface to 1800m.

n: Used in the condition of upper temperature and pressure, usually from 1800m to 3000m.