Problem analysis of geotechnical well drilling in complex environment; IOP Conference Series: Earth and Environmental Science; Vol. 24 : Scientific and Technical Challenges in the Well Drilling Progress, 24–27 November 2014, Tomsk, Russia
| Parent link: | IOP Conference Series: Earth and Environmental Science Vol. 24 : Scientific and Technical Challenges in the Well Drilling Progress, 24–27 November 2014, Tomsk, Russia.— 2015.— [012026, 6 p.] |
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| Institutionell upphovsman: | |
| Övriga upphovsmän: | , , , |
| Sammanfattning: | Title screen The article examines primary causes of problems occurring during the drilling of geotechnical wells (injection, production and monitoring wells) for in-situ leaching to extract uranium in South Kazakhstan. Such a drilling problem as hole caving which is basically caused by various chemical and physical factors (hydraulic, mechanical, etc.) has been thoroughly investigated. The analysis of packing causes has revealed that this problem usually occurs because of insufficient amount of drilling mud being associated with small cross section downward flow and relatively large cross section upward flow. This is explained by the fact that when spear bores are used to drill clay rocks, cutting size is usually rather big and there is a risk for clay particles to coagulate. Режим доступа: по договору с организацией-держателем ресурса |
| Språk: | engelska |
| Publicerad: |
2015
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| Ämnen: | |
| Länkar: | http://dx.doi.org/10.1088/1755-1315/24/1/012026 |
| Materialtyp: | Elektronisk Bokavsnitt |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=639709 |
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| 200 | 1 | |a Problem analysis of geotechnical well drilling in complex environment |f A. K. Kasenov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 5 tit.] | ||
| 330 | |a The article examines primary causes of problems occurring during the drilling of geotechnical wells (injection, production and monitoring wells) for in-situ leaching to extract uranium in South Kazakhstan. Such a drilling problem as hole caving which is basically caused by various chemical and physical factors (hydraulic, mechanical, etc.) has been thoroughly investigated. The analysis of packing causes has revealed that this problem usually occurs because of insufficient amount of drilling mud being associated with small cross section downward flow and relatively large cross section upward flow. This is explained by the fact that when spear bores are used to drill clay rocks, cutting size is usually rather big and there is a risk for clay particles to coagulate. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\2499 |t IOP Conference Series: Earth and Environmental Science | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\4016 |t Vol. 24 : Scientific and Technical Challenges in the Well Drilling Progress, 24–27 November 2014, Tomsk, Russia |o [proceedings] |f National Research Tomsk Polytechnic University (TPU) |v [012026, 6 p.] |d 2015 | |
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| 701 | 1 | |a Korotchenko |b T. V. |c Linguist |c Associate Professor of Tomsk Polytechnic University, Candidate of philological science |f 1982- |g Tatiana Valerievna |3 (RuTPU)RU\TPU\pers\30952 |9 15190 | |
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