1 |
float collarA component installed near the bottom of the casing string on which cement plugs land during the primary cementing operation. It typically consists of a short length of casing fitted with a check valv [..]
|
2 |
float collarA special coupling device inserted one or two joints above the bottom of the casing string that contains a check valve to permit fluid to pass downward but not upward through the casing. The float col [..]
|
<< Federally Recognized Tribe | filter media >> |