نمایش نتیجه 1 تا 10 از 19 نتیجه یافت شده برای oilwell cement:
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.
n: Used in the condition of high temperature and pressure, usually from 3000m to 4200m.
n: Used in the condition of ultra high temperature and pressure, usually from 3000m to 4800m.
n: Used as the basic oilwell cement from surface to 2500m.
n: Used as the basic oilwell cement from surface to 2500m.
n: Resisting high temperature and pressure, usually used in the depth from 4000m to 4800m.
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