دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: balls made of nylon, hard rubber, or both and used to shut off perforations through which excessive fluid is being lost.

n: Made by nylon or ebonite. Used to block off the opening in the capital string and prevent fluid lossing when fracturing.

small, rubber-covered, hard centered balls that can seal individual perforations during a chemical treatment.

various chemical treatments including acidizing.

n: any of many processes in the oil industry that involve the use of a chemical to effect an operation. Some chemical treatments are acidising, crude oil demulsification, conclusion inhibition, paraffin removal, scale removal, drilling fluid control, refinery and plant processes, cleaning and plugging operations, chemical flooding, and water purification.

n: affected by the outer influenceduring the drilling, the mud characteristic deteriorate. Then adjust by chemical agent, recovery the original performance. The process of above called mud chemical treatment.

n: a cylindrical or spherical device that is affixed to the end of a wireline just above the hook to keep the line straight and to provide weight. v: to soak metal pieces in a chemical solution to remove dirt and scale from the metals surface.

a chemical treatment of the tubulars to remove pipe dope, mill scale and mud or cement residue.