دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

A thread for tools and equipment that has three parallel threads per inch (similar to a BW thread). Used in applications of 1.75” OD thread or less.

abbr: barrels of water;used in drilling reports.

A thread for tools and equipment that has three parallel threads per inch (similar to a AW thread). Used in applications greater than 1.75” OD.

by weight of the blend.

by weight of cement.

by weight of water.

abbr: barrels of water per day.

barrels water per day.

abbr: barrels of water per hour;used in drilling reports.

n: The surface pressure after well off. It is the static pressure bwtween casing and drill pipe or casing and reservoir. Reservoir pressure can be computed by casing head pressure.

n: The liner used to pack complex formation bwlow 4000m and alleviate drilling technical matters.