دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The operation that joins the driving stem to pick up drill stem and circulate the drilling fluid when touch sticking

a graph of the hydrocarbons discovered or produced in an area use to determine if new wells are improving with each new well.

density separation state of emulsions, often where color variances are noted.

n: the settling or rising of the particles of the dispersed phase of an emulsion. Identifiable by a difference in colour shading of the layers formed. Creaming can be either upward or downward, depending on the relative densities of the continuous and dispersed phases.

n pI: the fragments of rock dislodged by the bit and brought to the sulphur in the drilling mud. Washed and dried cuttings samples are analysed by geologists to obtain information about the formations drilled.

n: Small pieces of rock, cement, or steel that break away due to the action of the bit, milling, cutting, or underreaming tools.

chips of rock from the drilling process. They are circulated to the surface by the mud and separated in the screens and shaker. They are useful for identifying and correlating the formation.

n: See diamond reamer.

drilling, milling and under-reaming.

n: to find the top position of freeze-in zone where the drilling pipe is checked with free point detector or by bachreaming the pipe

n: which have something to do with the time ,including actual bit on bottom time,round trip time,backreaming
and reaming time.,change bit time,change joint time.

n: a method of well completion in which a slotted or perforated liner, often wire-wrapped, is placed in the well and surrounded by gravel. If open hole, the well is sometimes enlarged by underreaming at the point where the gravel is packed. The mass of gravel excludes sand from the wellbore rot allows continued production.