Wells – Processes – Cementing – plugging or consolidating
Patent
1978-12-08
1980-04-29
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
106 97, 106104, E21B 3314
Patent
active
042001536
ABSTRACT:
A cement system including minor amounts of a carbon black cement additive admixed with cement is used to cement high temperature wells.
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patent: 4103103 (1978-07-01), Hizikata
Farrell Daniel R.
Novosad Stephen J.
Sandford Dean
Union Oil Company of California
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