دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: adding too much chemical in batch treating, resulting in an emulsion that is very difficult to break.

n: when treating fluid , if the treating agent adds too much and exceeds permission, we can not get proper effection and demages the inherent character.

n: a rock fold that has become slanted to one side so that the layers on one side appear to occur in reverse order (younger layers beneath older).

n: a solid pack of ice that covers more than half of the visible sea surface. packing n: a material used in a cylinder, in the stuffing box of a valve, or between flange joints to maintain a leak proof seal.

n: a liquid. usually salt water or oil. but sometimes mud. used in a well when a packer is between the tubing and the casing. Packer fluid must be heavy enough to shut off the pressure of the formation being produced. must not stiffen or settle out of suspension over long periods of time. and must be non-corrosive.

n: any fluid placed in the annulus between the tubing and casing above a packer. Along with other functions, the hydrostatic pressure of the packer fluid is utilised to reduced the pressure differentials between the formation and inside of the casing and acr

the fluid left in the annulus behind the packer. It may help offset pressure in the tubing or help reduce thermal losses.

n: a saturated aliphatic hydrocarbon having the formula CnH2n+2 (e.g., methane, CH4;ethane, C2H6). Heavier paraffin hydrocarbons (i.e., C18H38) form a wax-like substance that is called paraffin. These heavier paraffins often accumulate on the walls of tubing and other production equipment, restricting or stopping the flow of the desirable lighter paraffins.

normal or straight carbon chain alkanes with carbon chain lengths of C18+. The alkanes in this range solidify at temperatures from 80oF to over 200oF. Paraffin is amorphous but may appear to have structure in slow growth examples.

n: a material used to cover, fill up, or mend a hole or weak spot. A metal piece extending half-way around a pipe and welded to it is a half-sole patch. Two halfsole patches make a full-sole patch. patch tool n: see casing-patch tool.

n: in the case of land, an instrument by means of which a government transfers a fee simple estate to another party.

n: the point at which the operator of a well has recovered the costs of drilling, completing, and operating the well and can begin to show a profit.

the point where the capital cost have been earned.

n: the grivity foce under the cut point of pipe string in slop well produces a component force along the oritation of vertical of wall, which obliges the bit to break the rock in lower direction and makes the holebore recover its vertical condition, that fo