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Legal status
Patent not validated
| (51) | INT.CL. | C09K 8/42 | |
| C09K 8/467 | |||
| E21B 33/13 |
| (11) | Number of the document | 3328960 |
| (13) | Kind of document | T |
| (96) | European patent application number | 16833533.9 |
| Date of filing the European patent application | 2016-07-26 | |
| (97) | Date of publication of the European application | 2018-06-06 |
| (45) | Date of publication and mention of the grant of the patent | 2021-02-24 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2016/044069 |
| Date | 2016-07-26 |
| (87) | Number | WO 2017/023618 |
| Date | 2017-02-09 |
| (30) | Number | Date | Country code |
| 201514814925 | 2015-07-31 | US |
| (72) |
WILSON, Michael B., US
VORDERBRUGGEN, Mark A., US
ARMSTRONG, Charles David, US
|
| (73) |
Baker Hughes Holdings LLC,
17021 Aldine Westfield, Houston, TX 77073,
US
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| (54) | COMPOSITIONS AND METHODS FOR CEMENTING A WELLBORE USING MICROBES OR ENZYMES |
| COMPOSITIONS AND METHODS FOR CEMENTING A WELLBORE USING MICROBES OR ENZYMES |