دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

adj: of or relating to the bottom waters of the ocean.

depositional environment of the deepest areas of the oceans.

n: water found below oil and gas in a producing formation.

n: a spot sample of free water taken from beneath the petroleum contained in a ship or barge compartment or a storage tank.

n: the plane (typically a zone several feet thick) at which the bot- tom of an oil sand contacts the top of a water sand in a reservoir, i.e., the oil-water interface.

local boundary between the oil and the bottom water. OW Contact may vary in the field depending on individual drawdowns and local variations in vertical permeability.

v: to place cement in or near the bottom of a well to exclude bottom water, to sidetrack, or to produce from a fonna- tion higher in the well. Plugging back can also be accomplished with a mechanical plug set by wireline, tubing, or drill pipe.

n/v: 1 the cement at the bottom of well isolates basal water,. 2 pumping cement at certain depth to side track. 3 sealed off the exhausted reservior underneath , recovery exploring the
top reservior.

to set a plug (usually permanent) in a wellbore, giving a new bottom.

n: 1. d1e fundamental unit of time in the metric system. 2. in some countries, the crew member who relieves the toolpusber, or rig manager, and is second in command. secondary cementing n: any cementing operation after the primary cementing operation. Secondary cementing includes a plug-back job, in which a plug of cement is positioned at a specific point in the well and allowed to set. Wells are plugged to shut off bottom water or to reduce the depth of the well for other reasons.