Corrosion protection for wells
United States Patent 3385358

Inventors:
Shell, Allan D.
Publication Date:
05/28/1968
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Assignee:
MOBIL OIL CORP
Primary Class:
Other Classes:
165/9.400, 432/76, 166/902, 166/250.120
International Classes:
E21B41/02; E21B47/10; E21B41/00
US Patent References:
2801697Methods and means for introducing corrosion inhibitors into oil wells
2832414Protecting well casing
2869642Method of treating subsurface formations