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3559737
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Patent Grant
3559737
References
Source
Patent Number
3,559,737
Date Filed
Not available
Date Issued
Tuesday, February 2, 1971
53 years ago
CPC
E21B36/003 - Insulating arrangements
B65G5/005 - in porous layers
E21B33/10 - in the borehole
E21B33/138 - Plastering the borehole wall Injecting into the formations
US Classifications
166 - Wells
405 - Hydraulic and earth engineering
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