E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/04 (2006.01) E21B 33/068 (2006.01)
Patent
CA 2428613
A casing mandrel for an independent screwed wellhead includes a pin thread adapted for engagement with a box thread of a well stimulation tool lockdown nut for securing the well stimulation tool against the casing mandrel top end. A well stimulation tool and a tubing head spool for use with the casing mandrel are also provided. Safety of well stimulation procedures is thereby improved and well completion time is significantly reduced.
Dallas L. Murray
Mcguire Bob
Dallas L. Murray
Mcguire Bob
Stinger Wellhead Protection Inc.
Wood Max R.
LandOfFree
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