E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) E21B 34/00 (2006.01) E21B 34/12 (2006.01) E21B 41/00 (2006.01)
Patent
CA 2481757
The system including a well tool having a housing forming a protection fluid chamber in fluid communication with a discharge port, a protection fluid disposed within the protection fluid chamber, and a moveable mechanism in functional connection with the protection fluid chamber in a manner to expel a portion of the protection fluid when the moveable mechanism moves.
Du Michael Hui
Read Jr. Dennis M.
Schlumberger Canada Limited
Smart & Biggar
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