دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a borehole;the hole drilled by the bit. A wellbore may have casing in it or it may be open (uncased);or part of it may be cased, and part of it may be open. Also called a borehole or hole.

in drilling, the drilled hole.

a treatment designed to remove damage or debris from the wellbore and the perforations.

n: see wellbore soak.

the drawing of the well and its equipment showing depths, sizes, grades, and specific equipment.

n: The fluid of wellbore in the process of drilling and completion.

n: 1. bottomhole pressure. 2. casing pressure.

an early time frac failure when the frac width is too small and the fracture proppant bridges off on the fracture.

n: an acidizing treatment in which the acid is placed in the wellbore and allowed to react by merely soaking. It is a relatively slow process, because very little of the acid actually comes in contact with the formation. Also called wellbore cleanup. See matrix acidizing. Compare acidfracture.

the after flow, created by wellbore volume, into a wellbore after the surface valve has been closed.

a solvent or acid wash of the wellbore with minimum leakoff into the matrix.