دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Opening or shutting the valve to entire hole cementing.

n: The stabilizer consist of shaft,protected joint and socket with centering device.

n: The ratio of the radiu to the length of the bottomhole drill pipe.

n: A kind of pendulum assembly,which is consist of bit and big diameter columnar
drill collar.

n: in pipeline construction, a boring technique sometimes used for road crossings in which a large amount of liquid is pumped into the hole outside of the pipe to reduce friction.

n: a drill collar whose outer wall is smooth-that is, it does not have a spiral groove machined into it.

a pipe section, usually on the bottom of a BHA that is a straight pipe.

n: see wireline.

small solid wire used for rapid, economic placement and retrieval of small equipment in a well. Comes in several sizes;0.072”, 0.082”, 0.092”, 0.108”, 0.125”, etc.

a water base fluid with only a very small amount of a polymer added to give friction reduction benefit.

n: The cone bit with plain bearing at the shirt tail.