دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

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: in pipeline construction, a road crossing bored without casing. The carrier pipe itself is pushed under the roadbed by the boring machine. To reduce potential damage to the coating, slick boring is frequently used. See slick boring.

n: in pipeline construction, a boring technique similar to slick boring that is used for small-diameter pipe such as natural gas distribution lines. Water is the lubricant. Compare slick boring.