دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a rate sheet, issued jointly by two or more companies, setting forth charges for moving oil over the facilities of each.

n: a quantity of cement that is , left over after an adequate amount of cement has been pumped into a well during a cement job.

n: see boot sub.

n: a tool desined to recover pieces of debris left in the hole.

a topography formed when groundwater forms pockets or caves below or in a structure (usually limestone),allowing some of that structure to drop (e.g., create sinkholes). The complete cycle occurs over geologic time.

n: the plastic disc that cover the kelly.

n: a barge in which the mast is placed over a channel cut out of the side of the barge and through which drilling or workover operations are performed.

n: a slot in the edge of the barge hull of a jackup drilling unit over which the drilling rig is mounted and through which drilling tools are lowered and removed from the well being drilled. Compare cantilevered jackup.

n: an entry of water, gas, oil, or other formation fluid into the wellbore during drilling. It occurs because the pressure exerted by the column of drilling fluid is not great enough to overcome the pressure exerted by the fluids in the formation drilled. If prompt action is not taken to control the kick. or kill the well, a blowout may occur. See blowout.

n/v: an entry of formation fluids (oil,gas or water) into the wellbore,caused by the formation pressure exceeding the pressure exerted by the mud column.

an unwanted flow of fluids from a formation into the wellbore. Can happen during drilling, completions or interventions.

n: when shutting in after overflow, we uses the known data to caculate the density of overflow and identifies the sort of overflow , then it is helpful to well control.