float collar
float collar
[′flōt ‚käl·ər] (petroleum engineering)
A specialized coupling device inserted in a casing string just above the bottom that contains a check valve to permit downward passage of fluid but not upward passage through the casing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Different types of cementing accessories, such as
float collars, float shoes, cementing plugs, and cement retainers, among others, are used in the cementing process in oilfield drilling.
Mechanical and manual fill
float collars and float equipment for drilling operations.
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