E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/71
E21B 17/10 (2006.01) E21B 19/00 (2006.01) E21B 19/20 (2006.01)
Patent
CA 1238574
F-1963 CASING ALIGNMENT TOOL Abstract An oil well casing alignment tool is disclosed wherein a casing section that has been elevated to an upright position, aligns the upright casing and locks it in a vertical position while permitting the casing to be axially rotated until it locks it into the sealing point of the previous casing section.
438513
Gowling Lafleur Henderson Llp
Mobil Oil Corporation
LandOfFree
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