Self-Sensing Well Cement
Chemical reactions with reservoir fluids and geology related in-situ stress changes may cause damages to cement sealing material in plugged and abandoned oil, gas and CO<sub>2</sub> wells. To avoid leakages, a legitimate monitoring technique is needed that could allow for early warning i...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-03-01
|
| Series: | Materials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1944/14/5/1235 |
| _version_ | 1797413459211583488 |
|---|---|
| author | Kamila Gawel Dawid Szewczyk Pierre Rolf Cerasi |
| author_facet | Kamila Gawel Dawid Szewczyk Pierre Rolf Cerasi |
| author_sort | Kamila Gawel |
| collection | DOAJ |
| description | Chemical reactions with reservoir fluids and geology related in-situ stress changes may cause damages to cement sealing material in plugged and abandoned oil, gas and CO<sub>2</sub> wells. To avoid leakages, a legitimate monitoring technique is needed that could allow for early warning in case such damages occur. In this paper, we test the utility of oil and gas well cement with a conductive filler in sensing stress changes. To this end, we have measured the resistance response of Portland G—oil and gas well cement with carbon nanofibers (CNF) to axial load during uniaxial compressive strength test. Simultaneously, the microseismicity data were collected. The resistance of the nanocomposite was measured using two-point method in the direction of loading. The resistance changes were correlated with acoustic emission events. A total of four different material response regions were distinguished and the resistivity and acoustic emission changes in these regions were described. Our results suggest that the two complementary methods, i.e., acoustic emission and resistance measurements, can be used for sensing stress state in materials including well cement/CNF composites. The results suggest that the well cement/CNF composites can be a good candidate material to be used as a transducer sensing changes in stress state in, e.g., well plugs up to material failure. |
| first_indexed | 2024-03-09T05:18:12Z |
| format | Article |
| id | doaj.art-823b745a7fb34ff3a1c76fe55d547d35 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T05:18:12Z |
| publishDate | 2021-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-823b745a7fb34ff3a1c76fe55d547d352023-12-03T12:43:20ZengMDPI AGMaterials1996-19442021-03-01145123510.3390/ma14051235Self-Sensing Well CementKamila Gawel0Dawid Szewczyk1Pierre Rolf Cerasi2SINTEF Industry, SP Andersens vei 15b, 7031 Trondheim, NorwaySINTEF Industry, SP Andersens vei 15b, 7031 Trondheim, NorwaySINTEF Industry, SP Andersens vei 15b, 7031 Trondheim, NorwayChemical reactions with reservoir fluids and geology related in-situ stress changes may cause damages to cement sealing material in plugged and abandoned oil, gas and CO<sub>2</sub> wells. To avoid leakages, a legitimate monitoring technique is needed that could allow for early warning in case such damages occur. In this paper, we test the utility of oil and gas well cement with a conductive filler in sensing stress changes. To this end, we have measured the resistance response of Portland G—oil and gas well cement with carbon nanofibers (CNF) to axial load during uniaxial compressive strength test. Simultaneously, the microseismicity data were collected. The resistance of the nanocomposite was measured using two-point method in the direction of loading. The resistance changes were correlated with acoustic emission events. A total of four different material response regions were distinguished and the resistivity and acoustic emission changes in these regions were described. Our results suggest that the two complementary methods, i.e., acoustic emission and resistance measurements, can be used for sensing stress state in materials including well cement/CNF composites. The results suggest that the well cement/CNF composites can be a good candidate material to be used as a transducer sensing changes in stress state in, e.g., well plugs up to material failure.https://www.mdpi.com/1996-1944/14/5/1235cementcarbon nanofiberscompositeresistivityacoustic emissionself-sensing |
| spellingShingle | Kamila Gawel Dawid Szewczyk Pierre Rolf Cerasi Self-Sensing Well Cement Materials cement carbon nanofibers composite resistivity acoustic emission self-sensing |
| title | Self-Sensing Well Cement |
| title_full | Self-Sensing Well Cement |
| title_fullStr | Self-Sensing Well Cement |
| title_full_unstemmed | Self-Sensing Well Cement |
| title_short | Self-Sensing Well Cement |
| title_sort | self sensing well cement |
| topic | cement carbon nanofibers composite resistivity acoustic emission self-sensing |
| url | https://www.mdpi.com/1996-1944/14/5/1235 |
| work_keys_str_mv | AT kamilagawel selfsensingwellcement AT dawidszewczyk selfsensingwellcement AT pierrerolfcerasi selfsensingwellcement |