دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a cavity in a rock. 2. a small cavern, larger than a pore but too small to contain a person. Typically found in limestone subject to groundwater leaching.

a large open pore feature. May be associated with chemical dissolution of part of the matrix over geologic time.

n: a rock formation that contains openings (vugs). See vug.

n: secondary rock porosity formed by the dissolving of the more soluble portions of a rock in waters containing carbonic or other acids.

n: in pipeline construction, a multiheaded circular propane torch that is manually rotated inside the end of a pipe for preheating.

a method of controlling kicks in which the weight of the kill weight mud is calculated by the difference between the difference of casing and tubing pressure and the volume of fluid increase;followed by injection of the kill weight mud to displace the li

adj: (WOC) pertaining to the time when drilling or completion operations are suspended so that the cement in a well can harden sufficiently.

the time spent waiting on cement to reach sufficient strength to proceed with operations.

adj: (WOW) pertaining to the time when drilling or other operations are suspended because of bad weather.

n: the horizontal steel member of a beam pumping unit that has rocking or reciprocating motion.

n: A steel structural beam of cable drilling or beam pumping unit,which can wave up and down.