Thermal effect on the compression coefficient of heavy oil reservoir rocks
The ever-decreasing oil resources receive more and more attention for the exploration and development of heavy oil reservoirs. Owing to the high viscosity and poor fluidity of heavy oil, it is necessary to use the method of injecting high-temperature fluid in the development process. But, this will...
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2018-01-01
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Online Access: | https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.180534 |
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doaj-89d07df06eaf4cc79c91654d8f9fe6ca2020-11-25T04:10:30ZengThe Royal SocietyRoyal Society Open Science2054-57032018-01-015710.1098/rsos.180534180534Thermal effect on the compression coefficient of heavy oil reservoir rocksZhang ChaoYan ChuanliangLiu YuwenLi YangCheng YuanfangTian JiThe ever-decreasing oil resources receive more and more attention for the exploration and development of heavy oil reservoirs. Owing to the high viscosity and poor fluidity of heavy oil, it is necessary to use the method of injecting high-temperature fluid in the development process. But, this will cause a significant increase in the temperature in oil reservoir, and thus the compression coefficient of reservoir rock has a greater impact. The compression coefficient of heavy oil reservoirs at different temperatures was tested. The results show that the compression coefficient of rock is closely related to the nature of rock itself and its stress and temperature environment: the compression coefficient increases with the increase in rock porosity; the compression coefficient decreases with the increase in the effective confining pressure and increases with the increase in temperature. When the temperature is low, the increase in the compression coefficient is larger. As the temperature increases, the increase in the compression coefficient tends to decrease gradually. Because the temperature of the reservoir is higher than that of the ground, the influence of the temperature on the reservoir compression coefficient should be taken into account when carrying out the production forecast.https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.180534temperaturecompression coefficientporosityheavy oil reservoir |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhang Chao Yan Chuanliang Liu Yuwen Li Yang Cheng Yuanfang Tian Ji |
spellingShingle |
Zhang Chao Yan Chuanliang Liu Yuwen Li Yang Cheng Yuanfang Tian Ji Thermal effect on the compression coefficient of heavy oil reservoir rocks Royal Society Open Science temperature compression coefficient porosity heavy oil reservoir |
author_facet |
Zhang Chao Yan Chuanliang Liu Yuwen Li Yang Cheng Yuanfang Tian Ji |
author_sort |
Zhang Chao |
title |
Thermal effect on the compression coefficient of heavy oil reservoir rocks |
title_short |
Thermal effect on the compression coefficient of heavy oil reservoir rocks |
title_full |
Thermal effect on the compression coefficient of heavy oil reservoir rocks |
title_fullStr |
Thermal effect on the compression coefficient of heavy oil reservoir rocks |
title_full_unstemmed |
Thermal effect on the compression coefficient of heavy oil reservoir rocks |
title_sort |
thermal effect on the compression coefficient of heavy oil reservoir rocks |
publisher |
The Royal Society |
series |
Royal Society Open Science |
issn |
2054-5703 |
publishDate |
2018-01-01 |
description |
The ever-decreasing oil resources receive more and more attention for the exploration and development of heavy oil reservoirs. Owing to the high viscosity and poor fluidity of heavy oil, it is necessary to use the method of injecting high-temperature fluid in the development process. But, this will cause a significant increase in the temperature in oil reservoir, and thus the compression coefficient of reservoir rock has a greater impact. The compression coefficient of heavy oil reservoirs at different temperatures was tested. The results show that the compression coefficient of rock is closely related to the nature of rock itself and its stress and temperature environment: the compression coefficient increases with the increase in rock porosity; the compression coefficient decreases with the increase in the effective confining pressure and increases with the increase in temperature. When the temperature is low, the increase in the compression coefficient is larger. As the temperature increases, the increase in the compression coefficient tends to decrease gradually. Because the temperature of the reservoir is higher than that of the ground, the influence of the temperature on the reservoir compression coefficient should be taken into account when carrying out the production forecast. |
topic |
temperature compression coefficient porosity heavy oil reservoir |
url |
https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.180534 |
work_keys_str_mv |
AT zhangchao thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks AT yanchuanliang thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks AT liuyuwen thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks AT liyang thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks AT chengyuanfang thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks AT tianji thermaleffectonthecompressioncoefficientofheavyoilreservoirrocks |
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