E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 41/00 (2006.01) E21B 23/00 (2006.01) E21B 47/00 (2012.01)
Patent
CA 2553460
A method for restraining tubular members during well servicing. A first step involves monitoring a velocity of tubular members as they are withdrawn from a well. A second step involves activating a tubing restrainer when the velocity of the tubular members exceeds a predetermined threshold.
Khehra Mehtab S.
Slager Irvin M.
1128971 Alberta Ltd.
Mitey Titan Industries Inc.
Woodruff Nathan V.
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