دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The pump pressure increases suddenly when top cement plug collides with wown cement plug at the later stage of cementing in cementing.

n: a test method of drilling. The method of bumping the rock with a high speed using fluid to transport the ball to the bottom.

n: Bumping a section of weighted drill fluid into the bottom hole for preventing blowout .

n: Bumping a section of weighted drill fluid into the well head for preventing blowout .

n: A section of special liquid be bumped-in before bumping-in spacer fluid
when cementing ,which used to clear out cake of borehole wall .