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Teisinis statusas
Patentas neįsigaliojo (pagal EPK)
| (51) | INT.CL. | C09K 8/42 | |
| C09K 8/467 | |||
| E21B 33/13 |
| (11) | Patento numeris | 3328960 |
| (13) | Dokumento rūšis | T |
| (96) | Europos patento paraiškos numeris | 16833533.9 |
| Europos patento paraiškos padavimo data | 2016-07-26 | |
| (97) | Europos patento paraiškos paskelbimo data | 2018-06-06 |
| (45) | Paskelbimo apie Europos patento išdavimą data | 2021-02-24 |
| (46) | Apibrėžties vertimo paskelbimo data |
| (86) | Numeris | PCT/US2016/044069 |
| Data | 2016-07-26 |
| (87) | Numeris | WO 2017/023618 |
| Data | 2017-02-09 |
| (30) | Numeris | Data | Šalis |
| 201514814925 | 2015-07-31 | US |
| (72) |
WILSON, Michael B., US
VORDERBRUGGEN, Mark A., US
ARMSTRONG, Charles David, US
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| (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 |