دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the distance from the centerline of the main bearing of a crankshaft to the centerline of the connecting-rod journal. Two times the throw equals the stroke.

a fault’s vertical displacement.

a type of reverse fault in which the inclination of the plane of the fault is not highly deviated.

n: see dynamic positioning. thrust fault n: see reverse/ault.

n: an emulsion that is relatively difficult to break. Compare loose emulsion.

n: a section of a borehole in which excessive wall cake has built up, reducing the hole diameter and making it difficult to run the tools in and out. Compare keyseat.

n: The well section that its diameter reducing because mud cake over thick or layer swelling.

a restricted place in the bore hole, caused by wall cake, dog leg, deviation change or other factor.

n: The phenomenon that tripping is difficult because well bore complex ,diameter of well bore
irregular or reducing pipe.

n: The swivel that there have a tiltable hydraulic cylinder in it ,which can slope along the axis.

n: feature built into oilfield inhibitors that allows them to be introduced into production systems and their active ingredients to be released at timed intervals.

an aromatic (cyclic) 6-carbon ring compound with 7 carbons and 3 triple bonds. A very powerful solvent for oil, tar and asphaltenes.