Method of treating a borehole using gellable polymers
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United States of America Patent
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Jan 15, 1980
Grant Date -
N/A
app pub date -
Aug 1, 1978
filing date -
Aug 1, 1978
priority date (Note) -
Expired
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Abstract
Improvements in the treatment of wells that penetrate subterranean formations are accomplished through the use of a polymer solution which includes a neutralized ionomeric polymer dissolved in an organic solvent and a polar cosolvent. The polymer has a backbone that is substantially soluble in the organic solvent and pendant ionomeric groups that are substantially insoluble in the organic solvent. The polar cosolvent solubilizes the pendant ionomeric groups such that the polymer solution upon introduction into the well has a viscosity less than about 20,000 centipoises and upon mixing with water the polar cosolvent is taken up by the water causing the polymer to aggregate and increase in viscosity sufficient to form a plug. The polymer solution may be used in well drilling operations, well completion operations, and secondary recovery operations.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- EXXON PRODUCTION RESEARCH COMPANY
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Klein, Robert R | Berkley Heights, NJ | 18 | 166 |
Lundberg, Robert D | Bridgewater, NJ | 227 | 2774 |
Makowski, Henry S | Scotch Plains, NJ | 18 | 122 |
O'Brien, Dennis E | Houston, TX | 24 | 401 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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