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Characterizing CO2 ...
Characterizing CO2 residual trapping in-situ by means of single-well push-pull experiments at Heletz, Israel, pilot injection site : experimental procedures and results of the experiments
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- Niemi, Auli (författare)
- Uppsala universitet,Institutionen för geovetenskaper,auli.niemi@geo.uu.se,geohydrolog
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- Bensabat, Jacob (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Joodaki, Saba (författare)
- Uppsala universitet,Institutionen för geovetenskaper
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- Basirat, Farzad (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära
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- Hedayati, Maryeh (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära
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- Yang, Zhibing, 1982- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära,Wuhan Univ, Wuhan, Peoples R China.
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- Perez, Lily (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Levchenko, Stanislav (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Shklarnik, Alon (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Ronen, Rona (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Goren, Yoni (författare)
- Environm & Water Resources Engn EWRE, Haifa, Israel.
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- Fagerlund, Fritjof, 1974- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära
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- Rasmusson, Kristina (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära
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- Moghadasi, Ramin (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära
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- Shoqeir, Jawad A. H. (författare)
- Al Quds Univ, Jerusalem, Palestine.
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- Sauter, Martin (författare)
- Univ Gottingen, Gottingen, Germany.
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- Ghergut, Iulia (författare)
- Univ Gottingen, Gottingen, Germany.
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- Gouze, Philippe (författare)
- CNRS, Paris, France.; Class VI Solut, Oakland, CA USA.
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
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Ingår i: International Journal of Greenhouse Gas Control. - : Elsevier BV. - 1750-5836 .- 1878-0148. ; 101
- Relaterad länk:
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https://uu.diva-port... (primary) (Raw object)
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Two dedicated field experiments have been carried out at the Heletz, Israel pilot CO2 injection site. The objective has been to quantify the CO2 residual trapping in-situ, based on two distinctly different methods. Both experiments are based on the principle of a combination of hydraulic, thermal and/or tracer tests before and after creating the residually trapped zone of CO2 and using the difference in the responses of these tests to estimate the in-situ residual trapping. In Residual Trapping Experiment I (RTE I), carried out in autumn 2016, the main characterization test before and after the creation of the residually trapped zone were hydraulic withdrawal tests. In this experiment, the residually trapped zone was also created by fluid withdrawal, by first injecting CO2, then withdrawing fluids until CO2 was at residual saturation. The second experiment, Residual Trapping Experiment II (RTE II), was carried out autumn 2017. In this experiment, the residually trapped CO2 zone was created by CO2 injection, followed by the injection of CO2-saturated water, to push away the mobile CO2 and leave the residually trapped CO2 behind. In this test, the main reference test carried out before and after creating the residually trapped zone was injection and recovery of gas partitioning tracer Krypton. This paper presents the experimental procedures and results of these experiments. A hydraulic withdrawal test as a characterization method was robust and gave a clear signal. Given the difficulties in injecting water optimally saturated with CO2, in order not to dissolve the residually trapped CO2 or to create situations with excess mobile gas, withdrawal test may also be a generally preferable hydraulic testing method, in comparison to injection. The limitation of any hydraulic test is that it only gives an averaged value over the test section. At Heletz additional information about CO2 distribution was obtained based on thermal measurements and by monitoring the pressure difference between the two sensors in the bolehole. The latter could be used to estimate the amount of mobile CO2 in the well test section. Tracer experiments with gas partitioning tracers can in principle give more detailed information of CO2 residual distribution in the reservoir than hydraulic tests can, but are also far more complicated to carry out, involving sophisticated and sensitive equipment. In the Heletz case the optimal injection of CO2-saturated water turned out to be difficult to achieve. Creating the zone of residual saturation by means of fluid withdrawal rather than by injecting CO2-saturated water seemed a more robust approach. Monitoring the gas contents in the test interval gave good guidance on the state of the system. Model interpretations of the two experiments to obtain values for CO2 residual saturation are presented in companion papers in this same Special Edition.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- CO2 injection experiments
- Residual trapping
- Gas partitioning tracers
- Hydraulic tests
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Niemi, Auli
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Bensabat, Jacob
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Joodaki, Saba
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Basirat, Farzad
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Hedayati, Maryeh
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Yang, Zhibing, 1 ...
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visa fler...
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Perez, Lily
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Levchenko, Stani ...
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Shklarnik, Alon
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Ronen, Rona
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Goren, Yoni
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Fagerlund, Fritj ...
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Rasmusson, Krist ...
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Moghadasi, Ramin
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Shoqeir, Jawad A ...
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Sauter, Martin
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Ghergut, Iulia
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Gouze, Philippe
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visa färre...
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