TREATMENT OF MICROBIAL-INFLUENCED CORROSION
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United States of America Patent
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N/A
Issued Date -
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app pub date -
Sep 9, 2015
filing date -
Sep 9, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Surfaces of well servicing equipment are treated with both a biofilm remover, which can be a mechanical or chemical, and a biocide composition. The biocide composition is designed to be effective to prevent regrowth of bacteria over a period of time in which the equipment is expected to be out of service. Further, the biocide is compatible with the water source available on site for preparation of the biocide composition. The biofilm remover and the biocide composition can be applied or mixed together as a single treatment, if compatible. The biocide is maintained within the equipment or is displaced therefrom, such as with nitrogen and residual biocide composition is effective therein to prevent regrowth. Nitrogen can be maintained within the equipment until put back into service.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TRICAN WELL SERVICE LTD | 645-7TH AVENUE S W SUITE 2900 CALGARY ALBERTA T2P 4G8 |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
BROWNLEE, Duane Kevin | Calgary, CA | 2 | 14 |
FARION, Grant | Okotoks, CA | 3 | 6 |
KAKADJIAN, Sarkis | The Woodlands, US | 14 | 101 |
SHERMAN, Scott | Blackie, CA | 62 | 1488 |
VENDITTO, Jim | Houston, US | 9 | 478 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 10, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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