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| 塔里木盆地北部地区主要断裂带构造应力场与油气运移 | |
| 引用本文： | 沈淑敏,冯向阳,刘文英.塔里木盆地北部地区主要断裂带构造应力场与油气运移[J].地质力学学报,1995,1(2):11-20. |
| 作者姓名： | 沈淑敏 冯向阳 刘文英 |
| 作者单位： | 中国地质科学院地质力学研究所,中国地质科学院地质力学研究所,中国地质科学院地质力学研究所 |
| 摘 要： | 塔里木盆地北部地区的断裂构造对油气的形成、运移、储集和保存具有极为重要的控制作用。大型多期活动断裂控制了大型降起和拗陷的形成、发展和演化，是各时期油源给运移的良好通道；小型或次级断裂经及由断裂产生的节理、裂隙等，可改善储层的性能，是该区各种储油构造形成的主要构造条件。 |
| 关 键 词： | 油气运移 应力驱动 断裂带构造 应力场 |
TECTONIC STRESS DRIVING AND MIGRATION OF GAS AND OIL IN NORTHERN TARIM BASIN |
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| Shen Shumin,Feng Xiangyang and Liu Wenying.TECTONIC STRESS DRIVING AND MIGRATION OF GAS AND OIL IN NORTHERN TARIM BASIN[J].Journal of Geomechanics,1995,1(2):11-20. | |
| Authors: | Shen Shumin Feng Xiangyang and Liu Wenying |
| Institution: | Institute of Geomechanics, CAGS,Institute of Geomechanics, CAGS and Institute of Geomechanics, CAGS |
| Abstract: | The fault structures play an important role in controlling the formation, migration, accumulation and preservation of gas and oil in the northern Tarim Basin.The large repeatly active faults not only controlled the formation, development and evolution of large uplifts and depressions, but also acted as channel ways for vertical migration of oil and gas in different epochs.Small or second-order faults, and joints and cracks caused by faulting may improve the reservoir property, and are the major tectonic features that lead to the various structural trap of oil and gas in the region. The authors think that the action of tectonic stress may create the most important conditions to drive the migration and accumulation of oil and gas.For the purpose to integrate the tectonic stress field responsible for the faulting with the material field in which migration of oil and gas takes place, a theoretical equation is established for the correlation of tectonic stress driving and fluid movement in the rocks.It represents the differential relation between tectonic stress, internal flow pressure and migrating potential. Theoretical analysis and model calculation have been done for different oil-bearing structural types, their concentration conditions and locations in the known oil-fields in the northern Tarim Basin.The states of migration potentials have been simulated and calculated for a few typical sections in some major tectonic domains.The results obtained are compared with that of the known oil fields to find out the most likely areas for oil and gas exploration. |
| Keywords: | migration of oil and gas tectonic stress driving oil-field prediction |
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