Wells – Processes – Cementing – plugging or consolidating
Patent
1976-02-27
1977-09-13
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
166155, 166156, 166315, E21B 3316
Patent
active
040475662
ABSTRACT:
A method and apparatus for cementing well conduits in a well which is particularly advantageous when used in cementing wells having a subsea wellhead.
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patent: 3336978 (1967-08-01), Hynes
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patent: 3667547 (1972-06-01), Ahlstone
patent: 3730267 (1973-05-01), Scott
patent: 3777819 (1973-12-01), Delano
patent: 3926253 (1975-12-01), Duke
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