دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the assembly of tools run into the hole during fishing to perform a wash- over. A typical wash- over string consists of a washover back-off connector, several joints of washover pipe, and a rotary shoe.

n: a short length of surfacehardened pipe that fits inside the swivel and serves as a conduit for drilling fluid through the swivel.

n: layers of dense flexible material that is stacked around the swivels washpipe and the swivels interior body seal. It helps seal between the static washpipe and the turning swivel body to ensure that high-pressure drilling mud flows through the swivels stem and into the kelly.

n: the practice of reducing the amount of waste generated from a site through recycling programs and the use of non-hazardous chemical substitutes for hazardous chemicals.

water with any home or industrial waste.

assets that will lose or are losing their value.